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commit dd65c736d1b5312c80c88a64bf521db4959eded5 upstream.
The dcdbas driver can do an I/O write to cause a SMI to occur. The SMI handler
looks at certain registers and memory locations, so the SMI needs to happen
immediately. On some systems I/O writes are posted, though, causing the SMI to
happen well after the "outb" occurred, which causes random failures. Following
the "outb" with an "inb" forces the write to go through even if it is posted.
Signed-off-by: Stuart Hayes <stuart_hayes@yahoo.com>
Acked-by: Doug Warzecha <douglas_warzecha@dell.com>
Cc: Chuck Ebbert <cebbert@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit 8c3c283e6bf463ab498d6e7823aff6c4762314b6 upstream.
A virtualized display device is usually viewed with the vncviewer
application, either by 'xm vnc domU' or with vncviewer localhost:port.
vncviewer and the RFB protocol provides absolute coordinates to the
virtual display. These coordinates are either passed through to a PV
guest or converted to relative coordinates for a HVM guest.
A PV guest receives these coordinates and passes them to the kernels
evdev driver. There it can be picked up by applications such as the
xorg-input drivers. Using absolute coordinates avoids issues such as
guest mouse pointer not tracking host mouse pointer due to wrong mouse
acceleration settings in the guests X display.
Advertise either absolute or relative coordinates to the input system
and the evdev driver, depending on what dom0 provides. The xorg-input
driver prefers relative coordinates even if a devices provides both.
Signed-off-by: Olaf Hering <olaf@aepfle.de>
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit 7e7797e7f6f7bfab73fca02c65e40eaa5bb9000c upstream.
Fix potential null-pointer exception on disconnect introduced by commit
11ea859d64b69a747d6b060b9ed1520eab1161fe (USB: additional power savings
for cdc-acm devices that support remote wakeup).
Only access acm->dev after making sure it is non-null in control urb
completion handler.
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit 15e5bee33ffc11d0e5c6f819a65e7881c5c407be upstream.
Must check return value of tty_port_tty_get.
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit 23b80550e2aa61d0ba3af98b831b9195be0db9ee upstream.
Prevent read urbs from being resubmitted from tasklet after port close.
The receive tasklet was not disabled on port close, which could lead to
corruption of receive lists on consecutive port open. In particular,
read urbs could be re-submitted before port open, added to free list in
open, and then added a second time to the free list in the completion
handler.
cdc-acm.c: Entering acm_tty_open.
cdc-acm.c: acm_control_msg: rq: 0x22 val: 0x3 len: 0x0 result: 0
cdc-acm.c: Entering acm_rx_tasklet
cdc-acm.c: acm_rx_tasklet: sending urb 0xf50da280, rcv 0xf57fbc24, buf 0xf57fbd64
cdc-acm.c: set line: 115200 0 0 8
cdc-acm.c: acm_control_msg: rq: 0x20 val: 0x0 len: 0x7 result: 7
cdc-acm.c: acm_tty_close
cdc-acm.c: acm_port_down
cdc-acm.c: acm_control_msg: rq: 0x22 val: 0x0 len: 0x0 result: 0
cdc-acm.c: acm_ctrl_irq - urb shutting down with status: -2
cdc-acm.c: acm_rx_tasklet: sending urb 0xf50da300, rcv 0xf57fbc10, buf 0xf57fbd50
cdc-acm.c: Entering acm_read_bulk with status -2
cdc_acm 4-1:1.1: Aborting, acm not ready
cdc-acm.c: Entering acm_read_bulk with status -2
cdc_acm 4-1:1.1: Aborting, acm not ready
cdc-acm.c: acm_rx_tasklet: sending urb 0xf50da380, rcv 0xf57fbbfc, buf 0xf57fbd3c
cdc-acm.c: acm_rx_tasklet: sending urb 0xf50da400, rcv 0xf57fbbe8, buf 0xf57fbd28
cdc-acm.c: acm_rx_tasklet: sending urb 0xf50da480, rcv 0xf57fbbd4, buf 0xf57fbd14
cdc-acm.c: acm_rx_tasklet: sending urb 0xf50da900, rcv 0xf57fbbc0, buf 0xf57fbd00
cdc-acm.c: acm_rx_tasklet: sending urb 0xf50da980, rcv 0xf57fbbac, buf 0xf57fbcec
cdc-acm.c: acm_rx_tasklet: sending urb 0xf50daa00, rcv 0xf57fbb98, buf 0xf57fbcd8
cdc-acm.c: acm_rx_tasklet: sending urb 0xf50daa80, rcv 0xf57fbb84, buf 0xf57fbcc4
cdc-acm.c: acm_rx_tasklet: sending urb 0xf50dab00, rcv 0xf57fbb70, buf 0xf57fbcb0
cdc-acm.c: acm_rx_tasklet: sending urb 0xf50dab80, rcv 0xf57fbb5c, buf 0xf57fbc9c
cdc-acm.c: acm_rx_tasklet: sending urb 0xf50dac00, rcv 0xf57fbb48, buf 0xf57fbc88
cdc-acm.c: acm_rx_tasklet: sending urb 0xf50dac80, rcv 0xf57fbb34, buf 0xf57fbc74
cdc-acm.c: acm_rx_tasklet: sending urb 0xf50dad00, rcv 0xf57fbb20, buf 0xf57fbc60
cdc-acm.c: acm_rx_tasklet: sending urb 0xf50dad80, rcv 0xf57fbb0c, buf 0xf57fbc4c
cdc-acm.c: acm_rx_tasklet: sending urb 0xf50da880, rcv 0xf57fbaf8, buf 0xf57fbc38
cdc-acm.c: Entering acm_tty_open.
cdc-acm.c: acm_control_msg: rq: 0x22 val: 0x3 len: 0x0 result: 0
cdc-acm.c: Entering acm_rx_tasklet
cdc-acm.c: acm_rx_tasklet: sending urb 0xf50da280, rcv 0xf57fbc24, buf 0xf57fbd64
cdc-acm.c: Entering acm_tty_write to write 3 bytes,
cdc-acm.c: Get 3 bytes...
cdc-acm.c: acm_write_start susp_count: 0
cdc-acm.c: Entering acm_read_bulk with status 0
------------[ cut here ]------------
WARNING: at /home/johan/src/linux/linux-2.6/lib/list_debug.c:57 list_del+0x10c/0x120()
Hardware name: Vostro 1520
list_del corruption. next->prev should be f57fbc10, but was f57fbaf8
Modules linked in: cdc_acm
Pid: 3, comm: ksoftirqd/0 Not tainted 2.6.37+ #39
Call Trace:
[<c103c7e2>] warn_slowpath_common+0x72/0xa0
[<c11dd8ac>] ? list_del+0x10c/0x120
[<c11dd8ac>] ? list_del+0x10c/0x120
[<c103c8b3>] warn_slowpath_fmt+0x33/0x40
[<c11dd8ac>] list_del+0x10c/0x120
[<f8051dbf>] acm_rx_tasklet+0xef/0x3e0 [cdc_acm]
[<c135465d>] ? net_rps_action_and_irq_enable+0x6d/0x80
[<c1042bb6>] tasklet_action+0xe6/0x140
[<c104342f>] __do_softirq+0xaf/0x210
[<c1043380>] ? __do_softirq+0x0/0x210
<IRQ> [<c1042c9a>] ? run_ksoftirqd+0x8a/0x1c0
[<c1042c10>] ? run_ksoftirqd+0x0/0x1c0
[<c105ac24>] ? kthread+0x74/0x80
[<c105abb0>] ? kthread+0x0/0x80
[<c100337a>] ? kernel_thread_helper+0x6/0x10
---[ end trace efd9a11434f0082e ]---
------------[ cut here ]------------
WARNING: at /home/johan/src/linux/linux-2.6/lib/list_debug.c:57 list_del+0x10c/0x120()
Hardware name: Vostro 1520
list_del corruption. next->prev should be f57fbd50, but was f57fbdb0
Modules linked in: cdc_acm
Pid: 3, comm: ksoftirqd/0 Tainted: G W 2.6.37+ #39
Call Trace:
[<c103c7e2>] warn_slowpath_common+0x72/0xa0
[<c11dd8ac>] ? list_del+0x10c/0x120
[<c11dd8ac>] ? list_del+0x10c/0x120
[<c103c8b3>] warn_slowpath_fmt+0x33/0x40
[<c11dd8ac>] list_del+0x10c/0x120
[<f8051dd6>] acm_rx_tasklet+0x106/0x3e0 [cdc_acm]
[<c135465d>] ? net_rps_action_and_irq_enable+0x6d/0x80
[<c1042bb6>] tasklet_action+0xe6/0x140
[<c104342f>] __do_softirq+0xaf/0x210
[<c1043380>] ? __do_softirq+0x0/0x210
<IRQ> [<c1042c9a>] ? run_ksoftirqd+0x8a/0x1c0
[<c1042c10>] ? run_ksoftirqd+0x0/0x1c0
[<c105ac24>] ? kthread+0x74/0x80
[<c105abb0>] ? kthread+0x0/0x80
[<c100337a>] ? kernel_thread_helper+0x6/0x10
---[ end trace efd9a11434f0082f ]---
cdc-acm.c: acm_rx_tasklet: sending urb 0xf50da300, rcv 0xf57fbc10, buf 0xf57fbd50
cdc-acm.c: disconnected from network
cdc-acm.c: acm_rx_tasklet: sending urb 0xf50da380, rcv 0xf57fbbfc, buf 0xf57fbd3c
cdc-acm.c: Entering acm_rx_tasklet
------------[ cut here ]------------
WARNING: at /home/johan/src/linux/linux-2.6/lib/list_debug.c:48 list_del+0xd5/0x120()
Hardware name: Vostro 1520
list_del corruption, next is LIST_POISON1 (00100100)
Modules linked in: cdc_acm
Pid: 3, comm: ksoftirqd/0 Tainted: G W 2.6.37+ #39
Call Trace:
[<c103c7e2>] warn_slowpath_common+0x72/0xa0
[<c11dd875>] ? list_del+0xd5/0x120
[<c11dd875>] ? list_del+0xd5/0x120
[<c103c8b3>] warn_slowpath_fmt+0x33/0x40
[<c11dd875>] list_del+0xd5/0x120
[<f8051fac>] acm_rx_tasklet+0x2dc/0x3e0 [cdc_acm]
[<c106dbab>] ? trace_hardirqs_on+0xb/0x10
[<c1042b30>] ? tasklet_action+0x60/0x140
[<c1042bb6>] tasklet_action+0xe6/0x140
[<c104342f>] __do_softirq+0xaf/0x210
[<c1043380>] ? __do_softirq+0x0/0x210
<IRQ> [<c1042c9a>] ? run_ksoftirqd+0x8a/0x1c0
[<c1042c10>] ? run_ksoftirqd+0x0/0x1c0
[<c105ac24>] ? kthread+0x74/0x80
[<c105abb0>] ? kthread+0x0/0x80
[<c100337a>] ? kernel_thread_helper+0x6/0x10
---[ end trace efd9a11434f00830 ]---
BUG: unable to handle kernel paging request at 00200200
IP: [<c11dd7bd>] list_del+0x1d/0x120
*pde = 00000000
Oops: 0000 [#1] PREEMPT SMP
last sysfs file: /sys/devices/pci0000:00/0000:00:1a.1/usb4/4-1/4-1:1.0/tty/ttyACM0/uevent
Modules linked in: cdc_acm
Pid: 3, comm: ksoftirqd/0 Tainted: G W 2.6.37+ #39 0T816J/Vostro 1520
EIP: 0060:[<c11dd7bd>] EFLAGS: 00010046 CPU: 0
EIP is at list_del+0x1d/0x120
EAX: f57fbd3c EBX: f57fb800 ECX: ffff8000 EDX: 00200200
ESI: f57fbe90 EDI: f57fbd3c EBP: f600bf54 ESP: f600bf3c
DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
Process ksoftirqd/0 (pid: 3, ti=f600a000 task=f60791c0 task.ti=f6082000)
Stack:
c1527e84 00000030 c1527e54 00100100 f57fb800 f57fbd3c f600bf98 f8051fac
f8053104 f8052b94 f600bf6c c106dbab f600bf80 00000286 f60791c0 c1042b30
f57fbda8 f57f5800 f57fbdb0 f57fbd80 f57fbe7c c1656b04 00000000 f600bfb0
Call Trace:
[<f8051fac>] ? acm_rx_tasklet+0x2dc/0x3e0 [cdc_acm]
[<c106dbab>] ? trace_hardirqs_on+0xb/0x10
[<c1042b30>] ? tasklet_action+0x60/0x140
[<c1042bb6>] ? tasklet_action+0xe6/0x140
[<c104342f>] ? __do_softirq+0xaf/0x210
[<c1043380>] ? __do_softirq+0x0/0x210
<IRQ>
[<c1042c9a>] ? run_ksoftirqd+0x8a/0x1c0
[<c1042c10>] ? run_ksoftirqd+0x0/0x1c0
[<c105ac24>] ? kthread+0x74/0x80
[<c105abb0>] ? kthread+0x0/0x80
[<c100337a>] ? kernel_thread_helper+0x6/0x10
Code: ff 48 14 e9 57 ff ff ff 90 90 90 90 90 90 55 89 e5 83 ec 18 81 38 00 01 10 00 0f 84 9c 00 00 00 8b 50 04 81 fa 00 02 20 00 74 33 <8b> 12 39 d0 75 5c 8b 10 8b 4a 04 39 c8 0f 85 b5 00 00 00 8b 48
EIP: [<c11dd7bd>] list_del+0x1d/0x120 SS:ESP 0068:f600bf3c
CR2: 0000000000200200
---[ end trace efd9a11434f00831 ]---
Kernel panic - not syncing: Fatal exception in interrupt
Pid: 3, comm: ksoftirqd/0 Tainted: G D W 2.6.37+ #39
Call Trace:
[<c13fede1>] ? printk+0x1d/0x24
[<c13fecce>] panic+0x66/0x15c
[<c10067df>] oops_end+0x8f/0x90
[<c1025476>] no_context+0xc6/0x160
[<c10255a8>] __bad_area_nosemaphore+0x98/0x140
[<c103cf68>] ? release_console_sem+0x1d8/0x210
[<c1025667>] bad_area_nosemaphore+0x17/0x20
[<c1025a49>] do_page_fault+0x279/0x420
[<c1006a8f>] ? show_trace+0x1f/0x30
[<c13fede1>] ? printk+0x1d/0x24
[<c10257d0>] ? do_page_fault+0x0/0x420
[<c140333b>] error_code+0x5f/0x64
[<c103007b>] ? select_task_rq_fair+0x37b/0x6a0
[<c10257d0>] ? do_page_fault+0x0/0x420
[<c11dd7bd>] ? list_del+0x1d/0x120
[<f8051fac>] acm_rx_tasklet+0x2dc/0x3e0 [cdc_acm]
[<c106dbab>] ? trace_hardirqs_on+0xb/0x10
[<c1042b30>] ? tasklet_action+0x60/0x140
[<c1042bb6>] tasklet_action+0xe6/0x140
[<c104342f>] __do_softirq+0xaf/0x210
[<c1043380>] ? __do_softirq+0x0/0x210
<IRQ> [<c1042c9a>] ? run_ksoftirqd+0x8a/0x1c0
[<c1042c10>] ? run_ksoftirqd+0x0/0x1c0
[<c105ac24>] ? kthread+0x74/0x80
[<c105abb0>] ? kthread+0x0/0x80
[<c100337a>] ? kernel_thread_helper+0x6/0x10
panic occurred, switching back to text console
------------[ cut here ]------------
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit adaa3c6342b249548ea830fe8e02aa5b45be8688 upstream.
My testprog do a lot of bitbang - after hours i got following warning and my machine lockups:
WARNING: at /build/buildd/linux-2.6.38/lib/kref.c:34
After debugging uss720 driver i discovered that the completion callback was called before
usb_submit_urb returns. The callback frees the request structure that is krefed on return by
usb_submit_urb.
Signed-off-by: Peter Holik <peter@holik.at>
Acked-by: Thomas Sailer <t.sailer@alumni.ethz.ch>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit b5a3b3d985493c173925907adfebf3edab236fe7 upstream.
This patch (as1453) fixes a long-standing bug in the ehci-hcd driver.
There is no need to set the Halt bit in the overlay region for an
unlinked or blocked QH. Contrary to what the comment says, setting
the Halt bit does not cause the QH to be patched later; that decision
(made in qh_refresh()) depends only on whether the QH is currently
pointing to a valid qTD. Likewise, setting the Halt bit does not
prevent completions from activating the QH while it is "stopped"; they
are prevented by the fact that qh_completions() temporarily changes
qh->qh_state to QH_STATE_COMPLETING.
On the other hand, there are circumstances in which the QH will be
reactivated _without_ being patched; this happens after an URB beyond
the head of the queue is unlinked. Setting the Halt bit will then
cause the hardware to see the QH with both the Active and Halt bits
set, an invalid combination that will prevent the queue from
advancing and may even crash some controllers.
Apparently the only reason this hasn't been reported before is that
unlinking URBs from the middle of a running queue is quite uncommon.
However Test 17, recently added to the usbtest driver, does exactly
this, and it confirms the presence of the bug.
In short, there is no reason to set the Halt bit for an unlinked or
blocked QH, and there is a very good reason not to set it. Therefore
the code that sets it is removed.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Tested-by: Andiry Xu <andiry.xu@amd.com>
CC: David Brownell <david-b@pacbell.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit 4093a5c4a3f59cba1a085bbf87b6ffdddc5a443d upstream.
Commit 4057ac6ca9a77c4275b34b5925ab5c99557913b1
V4L/DVB (13505): uvcvideo: Refactor chain scan
broke output terminals parsing. Fix it.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit 38a66824d96de8aeeb915e6f46f0d3fe55828eb1 upstream.
The scheme used to index format in uvc_fixup_video_ctrl() is not robust:
format index is based on descriptor ordering, which does not necessarily
match bFormatIndex ordering. Searching for first matching format will
prevent uvc_fixup_video_ctrl() from using the wrong format/frame to make
adjustments.
Signed-off-by: Stephan Lachowsky <stephan.lachowsky@maxim-ic.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit d6244bc0ed0c52a795e6f4dcab3886daf3e74fac upstream.
Use mask 0x10 for "soft cursor" detection on in function tile_cursor.
(Tile Blitting Operation in framebuffer console).
The old mask 0x01 for vc_cursor_type detects CUR_NONE, CUR_LOWER_THIRD
and every second mode value as "software cursor". This hides the cursor
for these modes (cursor.mode = 0). But, only CUR_NONE or "software cursor"
should hide the cursor.
See also 0x10 in functions add_softcursor, bit_cursor and cw_cursor.
Signed-off-by: Henry Nestler <henry.nestler@gmail.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This reverts commit 05f7676dc3559c2b9061fda4e44c085a8d32fb05.
To quote Len Brown:
intel_idle was deemed a "feature", and thus not included in
2.6.33.stable, and thus 2.6.33.stable does not need this patch.
so I'm removing it.
Cc: Len Brown <len.brown@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit 447c5dd7338638f526e9bcf7dcf69b4da5835c7d upstream.
A successful write() to the "reset" sysfs attribute should return the
number of bytes written, not 0. Otherwise userspace (bash) retries the
write over and over again.
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Michal Schmidt <mschmidt@redhat.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit 47e9037ac16637cd7f12b8790ea7ce6680e42168 upstream.
If a device doesn't support power management (pm_cap == 0) but it is
acpi_pci_power_manageable() because there is a _PS0 method declared for
it and _EJ0 is also declared for the slot then nobody is going to set
current_state = PCI_D0 for this device. This is what I think it is
happening:
pci_enable_device
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__pci_enable_device_flags
/* here we do not set current_state because !pm_cap */
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do_pci_enable_device
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pci_set_power_state
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__pci_start_power_transition
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pci_platform_power_transition
/* platform_pci_power_manageable() calls acpi_pci_power_manageable that
* returns true */
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platform_pci_set_power_state
/* acpi_pci_set_power_state gets called and does nothing because the
* acpi device has _EJ0, see the comment "If the ACPI device has _EJ0,
* ignore the device" */
at this point if we refer to the commit message that introduced the
comment above (10b3dcae0f275e2546e55303d64ddbb58cec7599), it is up to
the hotplug driver to set the state to D0.
However AFAICT the pci hotplug driver never does, in fact
drivers/pci/hotplug/acpiphp_glue.c:register_slot sets the slot flags to
(SLOT_ENABLED | SLOT_POWEREDON) but it does not set the pci device
current state to PCI_D0.
So my proposed fix is also to set current_state = PCI_D0 in
register_slot.
Comments are very welcome.
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit ccd32e735de7a941906e093f8dca924bb05c5794 upstream.
An integer overflow occurs in the calculation of RHlinear when the
relative humidity is greater than around 30%. The consequence is a subtle
(but noticeable) error in the resulting humidity measurement.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit 0aab3995485b8a994bf29a995a008c9ea4a28054 upstream.
During redetection of a SDIO card, a request for a new card RCA
was submitted to the card, but was then overwritten by the old RCA.
This caused the card to be deselected instead of selected when using
the incorrect RCA. This bug's been present since the "oldcard"
handling was introduced in 2.6.32.
Signed-off-by: Stefan Nilsson XK <stefan.xk.nilsson@stericsson.com>
Reviewed-by: Ulf Hansson <ulf.hansson@stericsson.com>
Reviewed-by: Pawel Wieczorkiewicz <pawel.wieczorkiewicz@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Chris Ball <cjb@laptop.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit bc10f96757bd6ab3721510df8defa8f21c32f974 upstream.
Remove the call to tty_ldisc_flush() from the RESULT_NO_CARRIER
branch of isdn_tty_modem_result(), as already proposed in commit
00409bb045887ec5e7b9e351bc080c38ab6bfd33.
This avoids a "sleeping function called from invalid context" BUG
when the hardware driver calls the statcallb() callback with
command==ISDN_STAT_DHUP in atomic context, which in turn calls
isdn_tty_modem_result(RESULT_NO_CARRIER, ~), and from there,
tty_ldisc_flush() which may sleep.
Signed-off-by: Tilman Schmidt <tilman@imap.cc>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
|
|
commit ed0f36bc5719b25659b637f80ceea85494b84502 upstream.
The use of blk_execute_rq_nowait() implies __blk_put_request() is needed
in stpg_endio() rather than blk_put_request() -- blk_finish_request() is
called with queue lock already held.
Signed-off-by: Joseph Gruher <joseph.r.gruher@intel.com>
Signed-off-by: Ilgu Hong <ilgu.hong@promise.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit 0f12a4e29368a9476076515881d9ef4e5876c6e2 upstream.
Commit 280c73d ("PCI: centralize the capabilities code in
pci-sysfs.c") changed the initialisation of the "rom" and "vpd"
attributes, and made the failure path for the "vpd" attribute
incorrect. We must free the new attribute structure (attr), but
instead we currently free dev->vpd->attr. That will normally be NULL,
resulting in a memory leak, but it might be a stale pointer, resulting
in a double-free.
Found by inspection; compile-tested only.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
|
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commit 87e3dc3855430bd254370afc79f2ed92250f5b7c upstream.
Some broken BIOSes on ICH4 chipset report an ACPI region which is in
conflict with legacy IDE ports when ACPI is disabled. Even though the
regions overlap, IDE ports are working correctly (we cannot find out
the decoding rules on chipsets).
So the only problem is the reported region itself, if we don't reserve
the region in the quirk everything works as expected.
This patch avoids reserving any quirk regions below PCIBIOS_MIN_IO
which is 0x1000. Some regions might be (and are by a fast google
query) below this border, but the only difference is that they won't
be reserved anymore. They should still work though the same as before.
The conflicts look like (1f.0 is bridge, 1f.1 is IDE ctrl):
pci 0000:00:1f.1: address space collision: [io 0x0170-0x0177] conflicts with 0000:00:1f.0 [io 0x0100-0x017f]
At 0x0100 a 128 bytes long ACPI region is reported in the quirk for
ICH4. ata_piix then fails to find disks because the IDE legacy ports
are zeroed:
ata_piix 0000:00:1f.1: device not available (can't reserve [io 0x0000-0x0007])
References: https://bugzilla.novell.com/show_bug.cgi?id=558740
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Cc: Bjorn Helgaas <bjorn.helgaas@hp.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Thomas Renninger <trenn@suse.de>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit cdb9755849fbaf2bb9c0a009ba5baa817a0f152d upstream.
Per ICH4 and ICH6 specs, ACPI and GPIO regions are valid iff ACPI_EN
and GPIO_EN bits are set to 1. Add checks for these bits into the
quirks prior to the region creation.
While at it, name the constants by macros.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Cc: Bjorn Helgaas <bjorn.helgaas@hp.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Thomas Renninger <trenn@suse.de>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit b99af4b002e4908d1a5cdaf424529bdf1dc69768 upstream.
Revert commit 7eb93b175d4de9438a4b0af3a94a112cb5266944
Author: Yu Zhao <yu.zhao@intel.com>
Date: Fri Apr 3 15:18:11 2009 +0800
PCI: SR-IOV quirk for Intel 82576 NIC
If BIOS doesn't allocate resources for the SR-IOV BARs, zero the Flash
BAR and program the SR-IOV BARs to use the old Flash Memory Space.
Please refer to Intel 82576 Gigabit Ethernet Controller Datasheet
section 7.9.2.14.2 for details.
http://download.intel.com/design/network/datashts/82576_Datasheet.pdf
Signed-off-by: Yu Zhao <yu.zhao@intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
This quirk was added before SR-IOV was in production and now all machines that
originally had this issue alreayd have bios updates to correct the issue. The
quirk itself is no longer needed and in fact causes bugs if run. Remove it.
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
CC: Yu Zhao <yu.zhao@intel.com>
CC: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit d14fc1a74e846d7851f24fc9519fe87dc12a1231 upstream.
Alan's commit 335f8514f200e63d689113d29cb7253a5c282967 introduced
.carrier_raised function in several drivers. That also means
tty_port_block_til_ready can now suspend the process trying to open the serial
port when Carrier Detect is low and put it into tty_port.open_wait queue. We
need to wake up the process when Carrier Detect goes high and trigger TTY
hangup when CD goes low.
Some of the devices do not report modem status line changes, or at least we
don't understand the status message, so for those we remove .carrier_raised
again.
Signed-off-by: Libor Pechacek <lpechacek@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit 9926c0df7b31b2128eebe92e0e2b052f380ea464 upstream.
Device ID removed 0x10C4/0x8149 for West Mountain Radio Computerized
Battery Analyzer. This device is actually based on a SiLabs C8051Fxxx,
see http://www.etheus.net/SiUSBXp_Linux_Driver for further info.
Signed-off-by: Craig Shelley <craig@microtron.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit faea63f7ccfddfb8fc19798799fcd38c58415172 upstream.
Device Ids added for IRZ Automation Teleport SG-10 GSM/GPRS Modem and
DekTec DTA Plus VHF/UHF Booster/Attenuator.
Signed-off-by: Craig Shelley <craig@microtron.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit 7571f089d7522a95c103558faf313c7af8856ceb upstream.
In the vhci_urb_dequeue() function the TCP connection is checked twice.
Each time when the TCP connection is closed the URB is unlinked and given
back. Remove the second attempt of unlinking and giving back of the URB completely.
This patch fixes the bug described at https://bugzilla.kernel.org/show_bug.cgi?id=24872 .
Signed-off-by: Márton Németh <nm127@freemail.hu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit 2a1b7e575b80ceb19ea50bfa86ce0053ea57181d upstream.
I may have an explanation for the LSI 1068 HBA hangs provoked by ATA
pass-through commands, in particular by smartctl.
First, my version of the symptoms. On an LSI SAS1068E B3 HBA running
01.29.00.00 firmware, with SATA disks, and with smartd running, I'm seeing
occasional task, bus, and host resets, some of which lead to hard faults of
the HBA requiring a reboot. Abusively looping the smartctl command,
# while true; do smartctl -a /dev/sdb > /dev/null; done
dramatically increases the frequency of these failures to nearly one per
minute. A high IO load through the HBA while looping smartctl seems to
improve the chance of a full scsi host reset or a non-recoverable hang.
I reduced what smartctl was doing down to a simple test case which
causes the hang with a single IO when pointed at the sd interface. See
the code at the bottom of this e-mail. It uses an SG_IO ioctl to issue
a single pass-through ATA identify device command. If the buffer
userspace gives for the read data has certain alignments, the task is
issued to the HBA but the HBA fails to respond. If run against the sg
interface, neither the test code nor smartctl causes a hang.
sd and sg handle the SG_IO ioctl slightly differently. Unless you
specifically set a flag to do direct IO, sg passes a buffer of its own,
which is page-aligned, to the block layer and later copies the result
into the userspace buffer regardless of its alignment. sd, on the other
hand, always does direct IO unless the userspace buffer fails an
alignment test at block/blk-map.c line 57, in which case a page-aligned
buffer is created and used for the transfer.
The alignment test currently checks for word-alignment, the default
setup by scsi_lib.c; therefore, userspace buffers of almost any
alignment are given directly to the HBA as DMA targets. The LSI 1068
hardware doesn't seem to like at least a couple of the alignments which
cross a page boundary (see the test code below). Curiously, many
page-boundary-crossing alignments do work just fine.
So, either the hardware has an bug handling certain alignments or the
hardware has a stricter alignment requirement than the driver is
advertising. If stricter alignment is required, then in no case should
misaligned buffers from userspace be allowed through without being
bounced or at least causing an error to be returned.
It seems the mptsas driver could use blk_queue_dma_alignment() to advertise
a stricter alignment requirement. If it does, sd does the right thing and
bounces misaligned buffers (see block/blk-map.c line 57). The following
patch to 2.6.34-rc5 makes my symptoms go away. I'm sure this is the wrong
place for this code, but it gets my idea across.
Acked-by: Kashyap Desai <Kashyap.Desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit 9c4cf6d94fb362c27a24df5223ed6e327eb7279a upstream.
This patch adds the device id for the windy31 USB device to the rt73usb
driver.
Thanks to Ralf Flaxa for reporting this and providing testing and a
sample device.
Reported-by: Ralf Flaxa <rf@suse.de>
Tested-by: Ralf Flaxa <rf@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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commit f790674d3f87df6390828ac21a7d1530f71b59c8 upstream.
Functions set_fan_min() and set_fan_div() assume that the fan_div
values have already been read from the register. The driver currently
doesn't initialize them at load time, they are only set when function
via686a_update_device() is called. This means that set_fan_min() and
set_fan_div() misbehave if, for example, "sensors -s" is called
before any monitoring application (e.g. "sensors") is has been run.
Fix the problem by always initializing the fan_div values at device
bind time.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Guenter Roeck <guenter.roeck@ericsson.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit b4aaa78f4c2f9cde2f335b14f4ca30b01f9651ca upstream.
The VIAFB_GET_INFO device ioctl allows unprivileged users to read 246
bytes of uninitialized stack memory, because the "reserved" member of
the viafb_ioctl_info struct declared on the stack is not altered or
zeroed before being copied back to the user. This patch takes care of
it.
Signed-off-by: Dan Rosenberg <dan.j.rosenberg@gmail.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit fd02db9de73faebc51240619c7c7f99bee9f65c7 upstream.
The FBIOGET_VBLANK device ioctl allows unprivileged users to read 16 bytes
of uninitialized stack memory, because the "reserved" member of the
fb_vblank struct declared on the stack is not altered or zeroed before
being copied back to the user. This patch takes care of it.
Signed-off-by: Dan Rosenberg <dan.j.rosenberg@gmail.com>
Cc: Thomas Winischhofer <thomas@winischhofer.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit 371d217ee1ff8b418b8f73fb2a34990f951ec2d4 upstream.
These devices don't do any writeback but their device inodes still can get
dirty so mark bdi appropriately so that bdi code does the right thing and files
inodes to lists of bdi carrying the device inodes.
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit f048fa9c8686119c3858a463cab6121dced7c0bf upstream.
The regression is caused by:
commit 4327ba435a56ada13eedf3eb332e583c7a0586a9
bnx2: Fix netpoll crash.
If ->open() and ->close() are called multiple times, the same napi structs
will be added to dev->napi_list multiple times, corrupting the dev->napi_list.
This causes free_netdev() to hang during rmmod.
We fix this by calling netif_napi_del() during ->close().
Also, bnx2_init_napi() must not be in the __devinit section since it is
called by ->open().
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: Benjamin Li <benli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit 4327ba435a56ada13eedf3eb332e583c7a0586a9 upstream.
The bnx2 driver calls netif_napi_add() for all the NAPI structs during
->probe() time but not all of them will be used if we're not in MSI-X
mode. This creates a problem for netpoll since it will poll all the
NAPI structs in the dev_list whether or not they are scheduled, resulting
in a crash when we access structure fields not initialized for that vector.
We fix it by moving the netif_napi_add() call to ->open() after the number
of IRQ vectors has been determined.
Signed-off-by: Benjamin Li <benli@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit 01a1fdb9a7afa5e3c14c9316d6f380732750b4e4 upstream.
When an endpoint stalls, we need to update the xHCI host's internal
dequeue pointer to move it past the stalled transfer. This includes
updating the cycle bit (TRB ownership bit) if we have moved the dequeue
pointer past a link TRB with the toggle cycle bit set.
When we're trying to find the new dequeue segment, find_trb_seg() is
supposed to keep track of whether we've passed any link TRBs with the
toggle cycle bit set. However, this while loop's body
while (cur_seg->trbs > trb ||
&cur_seg->trbs[TRBS_PER_SEGMENT - 1] < trb) {
Will never get executed if the ring only contains one segment.
find_trb_seg() will return immediately, without updating the new cycle
bit. Since find_trb_seg() has no idea where in the segment the TD that
stalled was, make the caller, xhci_find_new_dequeue_state(), check for
this special case and update the cycle bit accordingly.
This patch should be queued to kernels all the way back to 2.6.31.
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Tested-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit b14e840d04dba211fbdc930247e379085623eacd upstream.
The document says:
|2.1 Problem description
| When at least two USB devices are simultaneously running, it is observed that
| sometimes the INT corresponding to one of the USB devices stops occurring. This may
| be observed sometimes with USB-to-serial or USB-to-network devices.
| The problem is not noticed when only USB mass storage devices are running.
|2.2 Implication
| This issue is because of the clearing of the respective Done Map bit on reading the ATL
| PTD Done Map register when an INT is generated by another PTD completion, but is not
| found set on that read access. In this situation, the respective Done Map bit will remain
| reset and no further INT will be asserted so the data transfer corresponding to that USB
| device will stop.
|2.3 Workaround
| An SOF INT can be used instead of an ATL INT with polling on Done bits. A time-out can
| be implemented and if a certain Done bit is never set, verification of the PTD completion
| can be done by reading PTD contents (valid bit).
| This is a proven workaround implemented in software.
Russell King run into this with an USB-to-serial converter. This patch
implements his suggestion to enable the high frequent SOF interrupt only
at the time we have ATL packages queued. It goes even one step further
and enables the SOF interrupt only if we have more than one ATL packet
queued at the same time.
Tested-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit d0781383038e983a63843a9a6a067ed781db89c1 upstream.
I picked up a new DAK-780EX(professional digitl reverb/mix system),
which use CH341T chipset to communication with computer on 3/2011
and the CH341T's vendor code is 1a86
Looking up the CH341T's vendor and product id's I see:
1a86 QinHeng Electronics
5523 CH341 in serial mode, usb to serial port converter
CH341T,CH341 are the products of the same company, maybe
have some common hardware, and I test the ch341.c works
well with CH341T
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit 6960f40a954619857e7095a6179eef896f297077 upstream.
Make sure that we check the return value of tty_port_tty_get.
Sometimes it may return NULL and we later dereference that.
The only place here is in kobil_read_int_callback, so fix it.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Cc: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit ac45c12dfb3f727a5a7a3332ed9c11b4a5ab287e upstream.
There are few places where we are checking for macversion and revsions
before RTC is powered ON. However we are reading the macversion and
revisions only after RTC is powered ON and so both macversion and
revisions are actully zero and this leads to incorrect srev checks
Incorrect srev checks can cause registers to be configured wrongly and can
cause unexpected behavior. Fixing this seems to address the ASPM issue that
we have observed. The laptop becomes very slow and hangs mostly with ASPM L1
enabled without this fix.
fix this by reading the macversion and revisisons even before we start
using them. There is no reason why should we delay reading this info
until RTC is powered on as this is just a register information.
Signed-off-by: Senthil Balasubramanian <senthilkumar@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit 29963437a48475036353b95ab142bf199adb909e upstream.
When processing a SIDR REQ, the ib_cm allocates a new cm_id. The
refcount of the cm_id is initialized to 1. However, cm_process_work
will decrement the refcount after invoking all callbacks. The result
is that the cm_id will end up with refcount set to 0 by the end of the
sidr req handler.
If a user tries to destroy the cm_id, the destruction will proceed,
under the incorrect assumption that no other threads are referencing
the cm_id. This can lead to a crash when the cm callback thread tries
to access the cm_id.
This problem was noticed as part of a larger investigation with kernel
crashes in the rdma_cm when running on a real time OS.
Signed-off-by: Sean Hefty <sean.hefty@intel.com>
Acked-by: Doug Ledford <dledford@redhat.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit 25ae21a10112875763c18b385624df713a288a05 upstream.
Doug Ledford and Red Hat reported a crash when running the rdma_cm on
a real-time OS. The crash has the following call trace:
cm_process_work
cma_req_handler
cma_disable_callback
rdma_create_id
kzalloc
init_completion
cma_get_net_info
cma_save_net_info
cma_any_addr
cma_zero_addr
rdma_translate_ip
rdma_copy_addr
cma_acquire_dev
rdma_addr_get_sgid
ib_find_cached_gid
cma_attach_to_dev
ucma_event_handler
kzalloc
ib_copy_ah_attr_to_user
cma_comp
[ preempted ]
cma_write
copy_from_user
ucma_destroy_id
copy_from_user
_ucma_find_context
ucma_put_ctx
ucma_free_ctx
rdma_destroy_id
cma_exch
cma_cancel_operation
rdma_node_get_transport
rt_mutex_slowunlock
bad_area_nosemaphore
oops_enter
They were able to reproduce the crash multiple times with the
following details:
Crash seems to always happen on the:
mutex_unlock(&conn_id->handler_mutex);
as conn_id looks to have been freed during this code path.
An examination of the code shows that a race exists in the request
handlers. When a new connection request is received, the rdma_cm
allocates a new connection identifier. This identifier has a single
reference count on it. If a user calls rdma_destroy_id() from another
thread after receiving a callback, rdma_destroy_id will proceed to
destroy the id and free the associated memory. However, the request
handlers may still be in the process of running. When control returns
to the request handlers, they can attempt to access the newly created
identifiers.
Fix this by holding a reference on the newly created rdma_cm_id until
the request handler is through accessing it.
Signed-off-by: Sean Hefty <sean.hefty@intel.com>
Acked-by: Doug Ledford <dledford@redhat.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
|
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commit 64a3903d0885879ba8706a8bcf71c5e3e7664db2 upstream.
This patch adds an updated SATA RAID DeviceID for the Intel Patsburg PCH.
Signed-off-by: Seth Heasley <seth.heasley@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
|
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commit a4a461a6df6c0481d5a3d61660ed97f5b539cf16 upstream.
This patch adds the AHCI-mode SATA DeviceID for the Intel DH89xxCC PCH.
Signed-off-by: Seth Heasley <seth.heasley@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
|
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commit 992b3fb9b5391bc4de5b42bb810dc6dd583a6c4a upstream.
This patch adds the Intel Patsburg (PCH) SATA AHCI and RAID Controller
DeviceIDs.
Signed-off-by: Seth Heasley <seth.heasley@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
|
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commit f08dc1ac6b15c681f4643d8da1700e06c3855608 upstream.
ata_qc_complete() contains special handling for certain commands. For
example, it schedules EH for device revalidation after certain
configurations are changed. These shouldn't be applied to EH
commands but they were.
In most cases, it doesn't cause an actual problem because EH doesn't
issue any command which would trigger special handling; however, ACPI
can issue such commands via _GTF which can cause weird interactions.
Restructure ata_qc_complete() such that EH commands are always passed
on to __ata_qc_complete().
stable: Please apply to -stable only after 2.6.38 is released.
Signed-off-by: Tejun Heo <tj@kernel.org>
Reported-by: Kyle McMartin <kyle@mcmartin.ca>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
|
|
commit c804c733846572ca85c2bba60c7fe6fa024dff18 upstream.
Since 43cc71eed1250755986da4c0f9898f9a635cb3bf (platform: prefix MODALIAS
with "platform:"), the platform modalias is prefixed with "platform:".
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit efba2e313ea1b1bd69a7c4659263becf43bb1adc upstream.
In the following commit, we'll need to use the CMD() macro in order to
fix the initialisation of the sector_erase_cmd field. That requires the
local variable to be called 'cfi', so change it first in a simple patch.
Signed-off-by: Antony Pavlov <antony@niisi.msk.ru>
Acked-by: Guillaume LECERF <glecerf@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit d9ebaa45472c92704f4814682eec21455edcfa1f upstream.
This avoids a possible race leading to trying to dereference NULL.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit e192a7cf0effe7680264a5bc35c0ad1bdcdc921c upstream.
This patch adds the pid filtering for the dib7000M demod. It also
corrects the pid filtering for the dib7700 based board. It should
prevent an oops, when using dib7700p based board.
References: https://bugzilla.novell.com/show_bug.cgi?id=644807
Signed-off-by: Olivier Grenie <olivier.grenie@dibcom.fr>
Signed-off-by: Patrick Boettcher <patrick.boettcher@dibcom.fr>
Tested-by: Pavel SKARKA <paul.sp@seznam.cz>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit b5ba6d12bdac21bc0620a5089e0f24e362645efd upstream.
I found that one of the 8168c chipsets (concretely XID 1c4000c0) starts
generating RxFIFO overflow errors. The result is an infinite loop in
interrupt handler as the RxFIFOOver is handled only for ...MAC_VER_11.
With the workaround everything goes fine.
Signed-off-by: Ivan Vecera <ivecera@redhat.com>
Acked-by: Francois Romieu <romieu@fr.zoreil.com>
Cc: Hayes <hayeswang@realtek.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit a124339ad28389093ed15eca990d39c51c5736cc upstream.
We have found a hardware erratum on 82599 hardware that can lead to
unpredictable behavior when Header Splitting mode is enabled. So
we are no longer enabling this feature on affected hardware.
Please see the 82599 Specification Update for more information.
Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com>
Tested-by: Stephen Ko <stephen.s.ko@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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