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commit 684524d35fe8d13be1f2649633e43bd02c96c695 upstream.
BugLink: http://bugs.launchpad.net/bugs/1180881
This device needs to be added to the quirks list with HID_QUIRK_NO_INIT_REPORTS,
otherwise it causes 10 seconds timeout during report initialization.
[12431.828467] hid-multitouch 0003:0457:1013.0475: usb_submit_urb(ctrl) failed: -1
[12431.828507] hid-multitouch 0003:0457:1013.0475: timeout initializing reports
Signed-off-by: AceLan Kao <acelan.kao@canonical.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 8171a67d587a09e14a4949a81e070345fedcf410 upstream.
BugLink: http://bugs.launchpad.net/bugs/1180881
Synaptics large touchscreen doesn't support some of the report request
while initializing. The unspoorted request will make the device unreachable,
and will lead to the following usb_submit_urb() function call timeout.
So, add the IDs into HID_QUIRK_NO_INIT_REPORTS quirk.
Signed-off-by: AceLan Kao <acelan.kao@canonical.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 85aec73d595b8847f9c4ea571deb127913f0d508 upstream.
If build_skb fails the memory associated with the ring buffer is freed but
the ri->data member is not zeroed in this case. This causes a double-free
of this memory in tg3_free_rings->... path. The patch moves this block after
setting ri->data to NULL.
It would be nice to fix this bug also in stable >= v3.4 trees.
Cc: Nithin Nayak Sujir <nsujir@broadcom.com>
Cc: Michael Chan <mchan@broadcom.com>
Signed-off-by: Ivan Vecera <ivecera@redhat.com>
Acked-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit f6b129527ca15bae29ffb9417ddaa1c9d99ffc5d upstream.
Since we set IEEE80211_HW_QUEUE_CONTROL, we can let
mac80211 do the queue assignement and don't need to
override its decisions.
While reassiging the same values is harmless of course,
it triggered a WARNING when iwlwifi and mac80211 came
to different conclusions. This happened when mac80211 set
IEEE80211_TX_CTL_SEND_AFTER_DTIM, but didn't route the
packet to the cab_queue because no stations were asleep.
iwlwifi should not override mac80211's decicions for
offchannel packets and packets to be sent after DTIM,
but it should override mac80211's decision for AMPDUs
since we have a special queue for them. So for AMPDU,
we still override info->hw_queue by the AMPDU queue.
This avoids:
------------[ cut here ]------------
WARNING: CPU: 0 PID: 2531 at drivers/net/wireless/iwlwifi/dvm/tx.c:456 iwlagn_tx_skb+0x6c5/0x883()
Modules linked in:
CPU: 0 PID: 2531 Comm: hostapd Not tainted 3.12.0-rc5+ #1
Hardware name: /D53427RKE, BIOS RKPPT10H.86A.0017.2013.0425.1251 04/25/2013
0000000000000000 0000000000000009 ffffffff8189aa62 0000000000000000
ffffffff8105a4f2 ffff880058339a48 ffffffff815f8a04 0000000000000000
ffff8800560097b0 0000000000000208 0000000000000000 ffff8800561a9e5e
Call Trace:
[<ffffffff8189aa62>] ? dump_stack+0x41/0x51
[<ffffffff8105a4f2>] ? warn_slowpath_common+0x78/0x90
[<ffffffff815f8a04>] ? iwlagn_tx_skb+0x6c5/0x883
[<ffffffff815f8a04>] ? iwlagn_tx_skb+0x6c5/0x883
[<ffffffff818a0040>] ? put_cred+0x15/0x15
[<ffffffff815f6db4>] ? iwlagn_mac_tx+0x19/0x2f
[<ffffffff8186cc45>] ? __ieee80211_tx+0x226/0x29b
[<ffffffff8186e6bd>] ? ieee80211_tx+0xa6/0xb5
[<ffffffff8186e98b>] ? ieee80211_monitor_start_xmit+0x1e9/0x204
[<ffffffff8171ce5f>] ? dev_hard_start_xmit+0x271/0x3ec
[<ffffffff817351ac>] ? sch_direct_xmit+0x66/0x164
[<ffffffff8171d1bf>] ? dev_queue_xmit+0x1e5/0x3c8
[<ffffffff817fac5a>] ? packet_sendmsg+0xac5/0xb3d
[<ffffffff81709a09>] ? sock_sendmsg+0x37/0x52
[<ffffffff810f9e0c>] ? __do_fault+0x338/0x36b
[<ffffffff81713820>] ? verify_iovec+0x44/0x94
[<ffffffff81709e63>] ? ___sys_sendmsg+0x1f1/0x283
[<ffffffff81140a73>] ? __inode_wait_for_writeback+0x67/0xae
[<ffffffff8111735e>] ? __cache_free.isra.46+0x178/0x187
[<ffffffff811173b1>] ? kmem_cache_free+0x44/0x84
[<ffffffff81132c22>] ? dentry_kill+0x13d/0x149
[<ffffffff81132f6f>] ? dput+0xe5/0xef
[<ffffffff81136e04>] ? fget_light+0x2e/0x7c
[<ffffffff8170ae62>] ? __sys_sendmsg+0x39/0x57
[<ffffffff818a7e39>] ? system_call_fastpath+0x16/0x1b
---[ end trace 1b3eb79359c1d1e6 ]---
Reported-by: Sander Eikelenboom <linux@eikelenboom.it>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 54b2b50c20a61b51199bedb6e5d2f8ec2568fb43 upstream.
Some host adapters do not pass commands through to the target disk
directly. Instead they provide an emulated target which may or may not
accurately report its capabilities. In some cases the physical device
characteristics are reported even when the host adapter is processing
commands on the device's behalf. This can lead to adapter firmware hangs
or excessive I/O errors.
This patch disables WRITE SAME for devices connected to host adapters
that provide an emulated target. Driver writers can disable WRITE SAME
by setting the no_write_same flag in the host adapter template.
[jejb: fix up rejections due to eh_deadline patch]
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 14883a75ec76b44759385fb12629f4a0f1aef4e3 upstream.
Commit f62805f1 introduced a bug where lazy MMU mode isn't exited if a
m2p_add/remove_override call fails.
Acked-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Reviewed-by: David Vrabel <david.vrabel@citrix.com>
Reviewed-by: Anthony Liguori <aliguori@amazon.com>
Signed-off-by: Matt Wilson <msw@amazon.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 1aeef303b5d9e243c41d5b80f8bb059366514a10 upstream.
For MPC8572/MPC8536, the status of GPIOs defined as output
cannot be determined by reading GPDAT register, so the code
use shadow data register instead. But the code may give the
wrong status of GPIOs defined as input under some scenarios:
1. If some pins were configured as inputs and were asserted
high before booting the kernel, the shadow data has been
initialized with those pin values.
2. Some pins have been configured as output first and have
been set to the high value, then reconfigured as input.
The above cases will make the shadow data for those input
pins to be set to high. Then reading the pin status will
always return high even if the actual pin status is low.
The code should eliminate the effects of the shadow data to
the input pins, and the status of those pins should be
read directly from GPDAT.
Acked-by: Scott Wood <scottwood@freescale.com>
Acked-by: Anatolij Gustschin <agust@denx.de>
Signed-off-by: Liu Gang <Gang.Liu@freescale.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit a0c20fb02592d372e744d1d739cda3e1b3defaae upstream.
After commit e9e4ea74f06635f2ffc1dffe5ef40c854faa0a90
"net: smc91x: dont't use SMC_outw for fixing up halfword-aligned data"
The Versatile SMSC LAN91C111 is crashing like this:
------------[ cut here ]------------
kernel BUG at /home/linus/linux/drivers/net/ethernet/smsc/smc91x.c:599!
Internal error: Oops - BUG: 0 [#1] ARM
Modules linked in:
CPU: 0 PID: 43 Comm: udhcpc Not tainted 3.13.0-rc1+ #24
task: c6ccfaa0 ti: c6cd0000 task.ti: c6cd0000
PC is at smc_hardware_send_pkt+0x198/0x22c
LR is at smc_hardware_send_pkt+0x24/0x22c
pc : [<c01be324>] lr : [<c01be1b0>] psr: 20000013
sp : c6cd1d08 ip : 00000001 fp : 00000000
r10: c02adb08 r9 : 00000000 r8 : c6ced802
r7 : c786fba0 r6 : 00000146 r5 : c8800000 r4 : c78d6000
r3 : 0000000f r2 : 00000146 r1 : 00000000 r0 : 00000031
Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user
Control: 0005317f Table: 06cf4000 DAC: 00000015
Process udhcpc (pid: 43, stack limit = 0xc6cd01c0)
Stack: (0xc6cd1d08 to 0xc6cd2000)
1d00: 00000010 c8800000 c78d6000 c786fba0 c78d6000 c01be868
1d20: c01be7a4 00004000 00000000 c786fba0 c6c12b80 c0208554 000004d0 c780fc60
1d40: 00000220 c01fb734 00000000 00000000 00000000 c6c9a440 c6c12b80 c78d6000
1d60: c786fba0 c6c9a440 00000000 c021d1d8 00000000 00000000 c6c12b80 c78d6000
1d80: c786fba0 00000001 c6c9a440 c02087f8 c6c9a4a0 00080008 00000000 00000000
1da0: c78d6000 c786fba0 c78d6000 00000138 00000000 00000000 00000000 00000000
1dc0: 00000000 c027ba74 00000138 00000138 00000001 00000010 c6cedc00 00000000
1de0: 00000008 c7404400 c6cd1eec c6cd1f14 c067a73c c065c0b8 00000000 c067a740
1e00: 01ffffff 002040d0 00000000 00000000 00000000 00000000 00000000 ffffffff
1e20: 43004400 00110022 c6cdef20 c027ae8c c6ccfaa0 be82d65c 00000014 be82d3cc
1e40: 00000000 00000000 00000000 c01f2870 00000000 00000000 00000000 c6cd1e88
1e60: c6ccfaa0 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1e80: 00000000 00000000 00000031 c7802310 c7802300 00000138 c7404400 c0771da0
1ea0: 00000000 c6cd1eec c7800340 00000138 be82d65c 00000014 be82d3cc c6cd1f08
1ec0: 00000014 00000000 c7404400 c7404400 00000138 c01f4628 c78d6000 00000000
1ee0: 00000000 be82d3cc 00000138 c6cd1f08 00000014 c6cd1ee4 00000001 00000000
1f00: 00000000 00000000 00080011 00000002 06000000 ffffffff 0000ffff 00000002
1f20: 06000000 ffffffff 0000ffff c00928c8 c065c520 c6cd1f58 00000003 c009299c
1f40: 00000003 c065c520 c7404400 00000000 c7404400 c01f2218 c78106b0 c7441cb0
1f60: 00000000 00000006 c06799fc 00000000 00000000 00000006 00000000 c01f3ee0
1f80: 00000000 00000000 be82d678 be82d65c 00000014 00000001 00000122 c00139c8
1fa0: c6cd0000 c0013840 be82d65c 00000014 00000006 be82d3cc 00000138 00000000
1fc0: be82d65c 00000014 00000001 00000122 00000000 00000000 00018cb1 00000000
1fe0: 00003801 be82d3a8 0003a0c7 b6e9af08 60000010 00000006 00000000 00000000
[<c01be324>] (smc_hardware_send_pkt+0x198/0x22c) from [<c01be868>] (smc_hard_start_xmit+0xc4/0x1e8)
[<c01be868>] (smc_hard_start_xmit+0xc4/0x1e8) from [<c0208554>] (dev_hard_start_xmit+0x460/0x4cc)
[<c0208554>] (dev_hard_start_xmit+0x460/0x4cc) from [<c021d1d8>] (sch_direct_xmit+0x94/0x18c)
[<c021d1d8>] (sch_direct_xmit+0x94/0x18c) from [<c02087f8>] (dev_queue_xmit+0x238/0x42c)
[<c02087f8>] (dev_queue_xmit+0x238/0x42c) from [<c027ba74>] (packet_sendmsg+0xbe8/0xd28)
[<c027ba74>] (packet_sendmsg+0xbe8/0xd28) from [<c01f2870>] (sock_sendmsg+0x84/0xa8)
[<c01f2870>] (sock_sendmsg+0x84/0xa8) from [<c01f4628>] (SyS_sendto+0xb8/0xdc)
[<c01f4628>] (SyS_sendto+0xb8/0xdc) from [<c0013840>] (ret_fast_syscall+0x0/0x2c)
Code: e3130002 1a000001 e3130001 0affffcd (e7f001f2)
---[ end trace 81104fe70e8da7fe ]---
Kernel panic - not syncing: Fatal exception in interrupt
This is because the macro operations in smc91x.h defined
for Versatile are missing SMC_outsw() as used in this
commit.
The Versatile needs and uses the same accessors as the other
platforms in the first if(...) clause, just switch it to using
that and we have one problem less to worry about.
This includes a hunk of a patch from Will Deacon fixin
the other 32bit platforms as well: Innokom, Ramses, PXA,
PCM027.
Checkpatch complains about spacing, but I have opted to
follow the style of this .h-file.
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Nicolas Pitre <nico@fluxnic.net>
Cc: Eric Miao <eric.y.miao@gmail.com>
Cc: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 88bf6d62db4393fa03a58bada9d746312d5b496f upstream.
A return value of 1 is interpreted as an error. See pci_driver.
in local_pci_probe(). If you're wondering how this ever could
have worked, it's because it used to be the case that only return
values less than zero were interpreted as failure. But even in
the current kernel if the driver registers its various entry
points with the kernel, and then returns a value which is
interpreted as failure, those registrations aren't undone, so
the driver still mostly works. However, the driver's remove
function wouldn't be called on rmmod, and pci power management
functions wouldn't work. In the case of Smart Array, since it
has a battery backed cache (or else no cache) even if the driver
is not shut down properly as long as there is no outstanding
i/o, nothing too bad happens, which is why it took so long to
notice.
Requesting backport to stable because the change to pci-driver.c
which requires driver probe functions to return 0 occurred between
2.6.35 and 2.6.36 (the pci power management breakage) and again
between 3.7 and 3.8 (pci_dev->driver getting set to NULL in
local_pci_probe() preventing driver remove function from being
called on rmmod.)
Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 2e311fbabdc23b7eaec77313dc3b9a151a5407b5 upstream.
We inadvertantly discarded the scsi status for aborted commands.
For some commands (e.g. reads from tape drives) these can't be retried,
and if we discarded the scsi status, the scsi mid layer couldn't notice
anything was wrong and the error was not reported.
Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit ae5fbae0ccd982dfca0ce363036ed92f5b13f150 upstream.
Since commit 110dd8f19df5 "[SCSI] libsas: fix scr_read/write users and
update the libata documentation" we have been passing pmp=1 and is_cmd=0
to ata_tf_to_fis(). Praveen reports that eSATA attached drives do not
discover correctly. His investigation found that the BIOS was passing
pmp=0 while Linux was passing pmp=1 and failing to discover the drives.
Update libsas to follow the libata example of pulling the pmp setting
from the ata_link and correct is_cmd to be 1 since all tf's submitted
through ->qc_issue are commands. Presumably libsas lldds do not care
about is_cmd as they have sideband mechanisms to perform link
management.
http://marc.info/?l=linux-scsi&m=138179681726990
[jejb: checkpatch fix]
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Reported-by: Praveen Murali <pmurali@logicube.com>
Tested-by: Praveen Murali <pmurali@logicube.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit a1470c7bf3a4676e62e4c0fb204e339399eb5c59 upstream.
Bug report from: wenxiong@linux.vnet.ibm.com
The issue is happened in dual controller configuration. We got the
sysfs warnings when rmmod the ipr module.
enclosure_unregister() in drivers/msic/enclosure.c, call device_unregister()
for each componment deivce, device_unregister() ->device_del()->kobject_del()
->sysfs_remove_dir(). In sysfs_remove_dir(), set kobj->sd = NULL.
For each componment device,
enclosure_component_release()->enclosure_remove_links()->sysfs_remove_link()
in which checking kobj->sd again, it has been set as NULL when doing
device_unregister. So we saw all these sysfs WARNING.
Tested-by: wenxiong@linux.vnet.ibm.com
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 22a08538dca5c0630226f1c0c58dccd12e463d22 upstream.
This patch fixes a crash when tried setting symbolic name for an offline
vport through sysfs. Crash is due to uninitialized pointer lport->ns,
which gets initialized only on linkup (port online).
Signed-off-by: Vijaya Mohan Guvva <vmohan@brocade.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit e35d46adc49b469fd92bdb64fea8af93640e6651 upstream.
The c_can driver contians a callpath (c_can_poll -> c_can_state_change ->
c_can_get_berr_counter) which may call pm_runtime_get_sync() from the IRQ
handler, which is not allowed and results in "BUG: scheduling while atomic".
This problem is fixed by introducing __c_can_get_berr_counter, which will not
call pm_runtime_get_sync().
Reported-by: Andrew Glen <AGlen@bepmarine.com>
Tested-by: Andrew Glen <AGlen@bepmarine.com>
Signed-off-by: Andrew Glen <AGlen@bepmarine.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 2fea6cd303c0d0cd9067da31d873b6a6d5bd75e7 upstream.
This patch fixes the issue that the sja1000_interrupt() function may have
returned IRQ_NONE without processing the optional pre_irq() and post_irq()
function before. Further the irq processing counter 'n' is moved to the end of
the while statement to return correct IRQ_[NONE|HANDLED] values at error
conditions.
Reported-by: Wolfgang Grandegger <wg@grandegger.com>
Acked-by: Wolfgang Grandegger <wg@grandegger.com>
Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 3e71985f2439d8c4090dc2820e497e6f3d72dcff upstream.
The values were taken from the HDMI spec, but they assumed
exact x/1.001 clocks. Since we round the clocks, we also need
to calculate different N and CTS values.
Note that the N for 25.2/1.001 MHz at 44.1 kHz audio is out of
spec. Hopefully this mode is rarely used and/or HDMI sinks
tolerate overly large values of N.
bug:
https://bugs.freedesktop.org/show_bug.cgi?id=69675
Signed-off-by: Pierre Ossman <pierre@ossman.eu>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: Josh Boyer <jwboyer@fedoraproject.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit a2098250fbda149cfad9e626afe80abe3b21e574 upstream.
In order to have any realistic chance of calculating proper
ACR values, we need to be able to calculate both N and CTS,
not just CTS. We still aim for the ideal N as specified in
the HDMI spec though.
bug:
https://bugs.freedesktop.org/show_bug.cgi?id=69675
Signed-off-by: Pierre Ossman <pierre@ossman.eu>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: Josh Boyer <jwboyer@fedoraproject.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 05104a4e8713b27291c7bb49c1e7e68b4e243571 upstream.
The warning for the irq remapping broken check in intel_irq_remapping.c is
pretty pointless. We need the warning, but we know where its comming from, the
stack trace will always be the same, and it needlessly triggers things like
Abrt. This changes the warning to just print a text warning about BIOS being
broken, without the stack trace, then sets the appropriate taint bit. Since we
automatically disable irq remapping, theres no need to contiue making Abrt jump
at this problem
Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
CC: Joerg Roedel <joro@8bytes.org>
CC: Bjorn Helgaas <bhelgaas@google.com>
CC: Andy Lutomirski <luto@amacapital.net>
CC: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
CC: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>
Signed-off-by: Joerg Roedel <joro@8bytes.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit f9423606ade08653dd8a43334f0a7fb45504c5cc upstream.
The BUG_ON in drivers/iommu/intel-iommu.c:785 can be triggered from userspace via
VFIO by calling the VFIO_IOMMU_MAP_DMA ioctl on a vfio device with any address
beyond the addressing capabilities of the IOMMU. The problem is that the ioctl code
calls iommu_iova_to_phys before it calls iommu_map. iommu_map handles the case that
it gets addresses beyond the addressing capabilities of its IOMMU.
intel_iommu_iova_to_phys does not.
This patch fixes iommu_iova_to_phys to return NULL for addresses beyond what the
IOMMU can handle. This in turn causes the ioctl call to fail in iommu_map and
(correctly) return EFAULT to the user with a helpful warning message in the kernel
log.
Signed-off-by: Julian Stecklina <jsteckli@os.inf.tu-dresden.de>
Acked-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Joerg Roedel <joro@8bytes.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 348cbaa800f8161168b20f85f72abb541c145132 upstream.
By default the Logitech MOMO Force (Black) presents a combined accel/brake
axis ('Y'). This patch modifies the HID descriptor to present seperate
accel/brake axes ('Y' and 'Z').
Signed-off-by: Simon Wood <simon@mungewell.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 2ab68ec927310dc488f3403bb48f9e4ad00a9491 upstream.
kyro would copy u32s and specify sizeof(unsigned long) as the size to copy.
This would copy more data than intended and cause memory corruption and might
leak kernel memory.
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit c8760069627ad3b0dbbea170f0c4c58b16e18d3d upstream.
Current MMC driver doesn't handle generic error (bit19 of device
status) in write sequence. As a result, write data gets lost when
generic error occurs. For example, a generic error when updating a
filesystem management information causes a loss of write data and
corrupts the filesystem. In the worst case, the system will never
boot.
This patch includes the following functionality:
1. To enable error checking for the response of CMD12 and CMD13
in write command sequence
2. To retry write sequence when a generic error occurs
Messages are added for v2 to show what occurs.
Signed-off-by: KOBAYASHI Yoshitake <yoshitake.kobayashi@toshiba.co.jp>
Signed-off-by: Chris Ball <cjb@laptop.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit f5e0d34382e18f396d7673a84df8e3342bea7eb6 ]
When user linkup is enabled and user sets linkup of individual port,
we need to recompute linkup (carrier) of master interface so the change
is reflected. Fix this by calling __team_carrier_check() which does the
needed work.
Please apply to all stable kernels as well. Thanks.
Reported-by: Jan Tluka <jtluka@redhat.com>
Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 7fe0ee099ad5e3dea88d4ee1b6f20246b1ca57c3 ]
Using iperf to send packets(GSO mode is on), a bug is triggered:
[ 212.672781] kernel BUG at lib/dynamic_queue_limits.c:26!
[ 212.673396] invalid opcode: 0000 [#1] SMP
[ 212.673882] Modules linked in: 8139cp(O) nls_utf8 edd fuse loop dm_mod ipv6 i2c_piix4 8139too i2c_core intel_agp joydev pcspkr hid_generic intel_gtt floppy sr_mod mii button sg cdrom ext3 jbd mbcache usbhid hid uhci_hcd ehci_hcd usbcore sd_mod usb_common crc_t10dif crct10dif_common processor thermal_sys hwmon scsi_dh_emc scsi_dh_rdac scsi_dh_hp_sw scsi_dh ata_generic ata_piix libata scsi_mod [last unloaded: 8139cp]
[ 212.676084] CPU: 0 PID: 4124 Comm: iperf Tainted: G O 3.12.0-0.7-default+ #16
[ 212.676084] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2007
[ 212.676084] task: ffff8800d83966c0 ti: ffff8800db4c8000 task.ti: ffff8800db4c8000
[ 212.676084] RIP: 0010:[<ffffffff8122e23f>] [<ffffffff8122e23f>] dql_completed+0x17f/0x190
[ 212.676084] RSP: 0018:ffff880116e03e30 EFLAGS: 00010083
[ 212.676084] RAX: 00000000000005ea RBX: 0000000000000f7c RCX: 0000000000000002
[ 212.676084] RDX: ffff880111dd0dc0 RSI: 0000000000000bd4 RDI: ffff8800db6ffcc0
[ 212.676084] RBP: ffff880116e03e48 R08: 0000000000000992 R09: 0000000000000000
[ 212.676084] R10: ffffffff8181e400 R11: 0000000000000004 R12: 000000000000000f
[ 212.676084] R13: ffff8800d94ec840 R14: ffff8800db440c80 R15: 000000000000000e
[ 212.676084] FS: 00007f6685a3c700(0000) GS:ffff880116e00000(0000) knlGS:0000000000000000
[ 212.676084] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 212.676084] CR2: 00007f6685ad6460 CR3: 00000000db714000 CR4: 00000000000006f0
[ 212.676084] Stack:
[ 212.676084] ffff8800db6ffc00 000000000000000f ffff8800d94ec840 ffff880116e03eb8
[ 212.676084] ffffffffa041509f ffff880116e03e88 0000000f16e03e88 ffff8800d94ec000
[ 212.676084] 00000bd400059858 000000050000000f ffffffff81094c36 ffff880116e03eb8
[ 212.676084] Call Trace:
[ 212.676084] <IRQ>
[ 212.676084] [<ffffffffa041509f>] cp_interrupt+0x4ef/0x590 [8139cp]
[ 212.676084] [<ffffffff81094c36>] ? ktime_get+0x56/0xd0
[ 212.676084] [<ffffffff8108cf73>] handle_irq_event_percpu+0x53/0x170
[ 212.676084] [<ffffffff8108d0cc>] handle_irq_event+0x3c/0x60
[ 212.676084] [<ffffffff8108fdb5>] handle_fasteoi_irq+0x55/0xf0
[ 212.676084] [<ffffffff810045df>] handle_irq+0x1f/0x30
[ 212.676084] [<ffffffff81003c8b>] do_IRQ+0x5b/0xe0
[ 212.676084] [<ffffffff8142beaa>] common_interrupt+0x6a/0x6a
[ 212.676084] <EOI>
[ 212.676084] [<ffffffffa0416a21>] ? cp_start_xmit+0x621/0x97c [8139cp]
[ 212.676084] [<ffffffffa0416a09>] ? cp_start_xmit+0x609/0x97c [8139cp]
[ 212.676084] [<ffffffff81378ed9>] dev_hard_start_xmit+0x2c9/0x550
[ 212.676084] [<ffffffff813960a9>] sch_direct_xmit+0x179/0x1d0
[ 212.676084] [<ffffffff813793f3>] dev_queue_xmit+0x293/0x440
[ 212.676084] [<ffffffff813b0e46>] ip_finish_output+0x236/0x450
[ 212.676084] [<ffffffff810e59e7>] ? __alloc_pages_nodemask+0x187/0xb10
[ 212.676084] [<ffffffff813b10e8>] ip_output+0x88/0x90
[ 212.676084] [<ffffffff813afa64>] ip_local_out+0x24/0x30
[ 212.676084] [<ffffffff813aff0d>] ip_queue_xmit+0x14d/0x3e0
[ 212.676084] [<ffffffff813c6fd1>] tcp_transmit_skb+0x501/0x840
[ 212.676084] [<ffffffff813c8323>] tcp_write_xmit+0x1e3/0xb20
[ 212.676084] [<ffffffff81363237>] ? skb_page_frag_refill+0x87/0xd0
[ 212.676084] [<ffffffff813c8c8b>] tcp_push_one+0x2b/0x40
[ 212.676084] [<ffffffff813bb7e6>] tcp_sendmsg+0x926/0xc90
[ 212.676084] [<ffffffff813e1d21>] inet_sendmsg+0x61/0xc0
[ 212.676084] [<ffffffff8135e861>] sock_aio_write+0x101/0x120
[ 212.676084] [<ffffffff81107cf1>] ? vma_adjust+0x2e1/0x5d0
[ 212.676084] [<ffffffff812163e0>] ? timerqueue_add+0x60/0xb0
[ 212.676084] [<ffffffff81130b60>] do_sync_write+0x60/0x90
[ 212.676084] [<ffffffff81130d44>] ? rw_verify_area+0x54/0xf0
[ 212.676084] [<ffffffff81130f66>] vfs_write+0x186/0x190
[ 212.676084] [<ffffffff811317fd>] SyS_write+0x5d/0xa0
[ 212.676084] [<ffffffff814321e2>] system_call_fastpath+0x16/0x1b
[ 212.676084] Code: ca 41 89 dc 41 29 cc 45 31 db 29 c2 41 89 c5 89 d0 45 29 c5 f7 d0 c1 e8 1f e9 43 ff ff ff 66 0f 1f 44 00 00 31 c0 e9 7b ff ff ff <0f> 0b eb fe 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 c7 47 40 00
[ 212.676084] RIP [<ffffffff8122e23f>] dql_completed+0x17f/0x190
------------[ cut here ]------------
When a skb has frags, bytes_compl plus skb->len nr_frags times in cp_tx().
It's not the correct value(actually, it should plus skb->len once) and it
will trigger the BUG_ON(bytes_compl > num_queued - dql->num_completed).
So only increase bytes_compl when finish sending all frags. pkts_compl also
has a wrong value, fix it too.
It's introduced by commit 871f0d4c ("8139cp: enable bql").
Suggested-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 1bac1072425c86f1ac85bd5967910706677ef8b3 ]
Windows driver will enable ALDPS function, but linux driver and firmware
do not have any configuration related to ALDPS function for 8168g.
So restart system to linux and remove the NIC cable, LAN enter ALDPS,
then LAN RX will be disabled.
This issue can be easily reproduced on dual boot windows and linux
system with RTL_GIGA_MAC_VER_40 chip.
Realtek said, ALDPS function can be disabled by configuring to PHY,
switch to page 0x0A43, reg0x10 bit2=0.
Signed-off-by: David Chang <dchang@suse.com>
Acked-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit b5de4a22f157ca345cdb3575207bf46402414bc1 ]
init_card() calls dev_get_by_name() to get a network deceive. But it
doesn't decrease network device reference count after the device is
used.
Signed-off-by: Ying Xue <ying.xue@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit f3d3342602f8bcbf37d7c46641cb9bca7618eb1c ]
This patch now always passes msg->msg_namelen as 0. recvmsg handlers must
set msg_namelen to the proper size <= sizeof(struct sockaddr_storage)
to return msg_name to the user.
This prevents numerous uninitialized memory leaks we had in the
recvmsg handlers and makes it harder for new code to accidentally leak
uninitialized memory.
Optimize for the case recvfrom is called with NULL as address. We don't
need to copy the address at all, so set it to NULL before invoking the
recvmsg handler. We can do so, because all the recvmsg handlers must
cope with the case a plain read() is called on them. read() also sets
msg_name to NULL.
Also document these changes in include/linux/net.h as suggested by David
Miller.
Changes since RFC:
Set msg->msg_name = NULL if user specified a NULL in msg_name but had a
non-null msg_namelen in verify_iovec/verify_compat_iovec. This doesn't
affect sendto as it would bail out earlier while trying to copy-in the
address. It also more naturally reflects the logic by the callers of
verify_iovec.
With this change in place I could remove "
if (!uaddr || msg_sys->msg_namelen == 0)
msg->msg_name = NULL
".
This change does not alter the user visible error logic as we ignore
msg_namelen as long as msg_name is NULL.
Also remove two unnecessary curly brackets in ___sys_recvmsg and change
comments to netdev style.
Cc: David Miller <davem@davemloft.net>
Suggested-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 1ca1a4cf59ea343a1a70084fe7cc96f37f3cf5b1 ]
In af3e095a1fb4, Erik Jacobsen fixed one type of unaligned access
bug for ia64 by converting a 64-bit write to use put_unaligned().
Unfortunately, since gcc will convert a short memset() to a series
of appropriately-aligned stores, the problem is now visible again
on tilegx, where the memset that zeros out proc_event is converted
to three 64-bit stores, causing an unaligned access panic.
A better fix for the original problem is to ensure that proc_event
is aligned to 8 bytes here. We can do that relatively easily by
arranging to start the struct cn_msg aligned to 8 bytes and then
offset by 4 bytes. Doing so means that the immediately following
proc_event structure is then correctly aligned to 8 bytes.
The result is that the memset() stores are now aligned, and as an
added benefit, we can remove the put_unaligned() calls in the code.
Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit f9a23c84486ed350cce7bb1b2828abd1f6658796 ]
These strings come from a copy_from_user() and there is no way to be
sure they are NUL terminated.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit b869ccfab1e324507fa3596e3e1308444fb68227 ]
This patch fixes two race conditions between bond_store_updelay/downdelay
and bond_store_miimon which could lead to division by zero as miimon can
be set to 0 while either updelay/downdelay are being set and thus miss the
zero check in the beginning, the zero div happens because updelay/downdelay
are stored as new_value / bond->params.miimon. Use rtnl to synchronize with
miimon setting.
Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com>
CC: Jay Vosburgh <fubar@us.ibm.com>
CC: Andy Gospodarek <andy@greyhouse.net>
CC: Veaceslav Falico <vfalico@redhat.com>
Acked-by: Veaceslav Falico <vfalico@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 16a3fa28630331e28208872fa5341ce210b901c7 ]
We currently use hdr_len as a hint of head length which is advertised by
guest. But when guest advertise a very big value, it can lead to an 64K+
allocating of kmalloc() which has a very high possibility of failure when host
memory is fragmented or under heavy stress. The huge hdr_len also reduce the
effect of zerocopy or even disable if a gso skb is linearized in guest.
To solves those issues, this patch introduces an upper limit (PAGE_SIZE) of the
head, which guarantees an order 0 allocation each time.
Signed-off-by: Jason Wang <jasowang@redhat.com>
Cc: Stefan Hajnoczi <stefanha@redhat.com>
Cc: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 96f8d9ecf227638c89f98ccdcdd50b569891976c ]
We currently use hdr_len as a hint of head length which is advertised by
guest. But when guest advertise a very big value, it can lead to an 64K+
allocating of kmalloc() which has a very high possibility of failure when host
memory is fragmented or under heavy stress. The huge hdr_len also reduce the
effect of zerocopy or even disable if a gso skb is linearized in guest.
To solves those issues, this patch introduces an upper limit (PAGE_SIZE) of the
head, which guarantees an order 0 allocation each time.
Signed-off-by: Jason Wang <jasowang@redhat.com>
Cc: Stefan Hajnoczi <stefanha@redhat.com>
Cc: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 52f48d0d9aaa621ffa5e08d79da99a3f8c93b848 ]
Since commit 7b0c5f21f348a66de495868b8df0284e8dfd6bbf
"sierra_net: keep status interrupt URB active", sierra_net triggers
status interrupt polling before the net_device is opened (in order to
properly receive the sync message response).
To be able to receive further interrupts, the interrupt urb needs to be
re-submitted, so this patch removes the bogus check for netif_running().
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Tested-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit ec9f1d15db8185f63a2c3143dc1e90ba18541b08 ]
Currently the ARP monitoring is not supported with 802.3ad, and it's
prohibited to use it via the module params.
However we still can set it afterwards via sysfs, cause we only check for
*LB modes there.
To fix this - add a check for 802.3ad mode in bonding_store_arp_interval.
Signed-off-by: Veaceslav Falico <vfalico@redhat.com>
CC: Jay Vosburgh <fubar@us.ibm.com>
CC: Andy Gospodarek <andy@greyhouse.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 1ec4864b10171b0691ee196d7006ae56d2c153f2 ]
timecounter_init() was was called only after first potential
timecounter_read().
Moved mlx4_en_init_timestamp() before mlx4_en_init_netdev()
Signed-off-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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With the introduction of "xen-netback: Don't destroy the netdev until
the vif is shut down" (upstream commit id 279f438e36), vif disconnect
and free are separated. However in the backported version reference
counting code was not correctly modified, and the reset of vif->irq
was lost. If frontend goes through vif life cycle more than once the
reference counting is skewed.
This patch adds back the missing vif->irq reset line. It also moves
several lines of the reference counting code to vif_free, so the moved
code corresponds to the counterpart in vif_alloc, thus the reference
counting is balanced.
Signed-off-by: Wei Liu <wei.liu2@citrix.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Cc: Konrad Wilk <konrad.wilk@oracle.com>
Cc: David Vrabel <david.vrabel@citrix.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit c1de4a9557d9e25e41fc4ba034b9659152205539 upstream.
4965 version of Eric patch "iwl3945: better skb management in rx path".
It fixes several problems :
1) skb->truesize is underestimated.
We really consume PAGE_SIZE bytes for a fragment,
not the frame length.
2) 128 bytes of initial headroom is a bit low and forces reallocations.
3) We can avoid consuming a full page for small enough frames.
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 45fe142cefa864b685615bcb930159f6749c3667 upstream.
Steinar reported reallocations of skb->head with IPv6, leading to
a warning in skb_try_coalesce()
It turns out iwl3945 has several problems :
1) skb->truesize is underestimated.
We really consume PAGE_SIZE bytes for a fragment,
not the frame length.
2) 128 bytes of initial headroom is a bit low and forces reallocations.
3) We can avoid consuming a full page for small enough frames.
Reported-by: Steinar H. Gunderson <sesse@google.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Paul Stewart <pstew@google.com>
Acked-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit b43ea8068d2090cb1e44632c8a938ab40d2c7419 upstream.
Patch to make TeVii S471 cards use the ts2020 tuner, since ds3000 driver no
longer contains tuning code.
Signed-off-by: Johannes Koch <johannes@ortsraum.de>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 8ca95995e64f5d270889badb3e449dca91106a2b upstream.
This triggers automatic bug reports and add no valuable
information. Print a simple error instead and drop the
host command.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit b852c985010a77c850b7548d64bbb964ca462b02 upstream.
HW ACR support may have issues on some older chips, so
use SW ACR for now until we've tested further.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
CC: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit ee0fec312a1c4e26f255955da942562cd8908a4b upstream.
Use the hw generated values rather than calculating
them in the driver. There may be some older r6xx
asics where this doesn't work correctly. This remains
to be seen.
See bug:
https://bugs.freedesktop.org/show_bug.cgi?id=69675
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit e7d12c2f98ae1e68c7298e5028048d150fa553a1 upstream.
The drm code that calculates the 1001 clocks rounds up
rather than truncating. This allows the table to match
properly on those modes.
See bug:
https://bugs.freedesktop.org/show_bug.cgi?id=69675
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 062c2e4363451d49ef840232fe65e8bff0dde2a5 upstream.
Avoid losing precision. See bug:
https://bugs.freedesktop.org/show_bug.cgi?id=69675
v2: fix math as per Anssi's comments.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 43c831468b3d26dbe8f2e061ccaf1abaf9cc1b8b upstream.
Use case: people who use both Apple and PC keyboards regularly, and desire to
keep&use their PC muscle memory.
A particular use case: an Apple compact external keyboard connected to a PC
laptop. (This use case can't be covered well by X.org key remappings etc.)
Signed-off-by: Nanno Langstraat <langstr@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit e17f5d7667c5414b8f12a93ef14aae0824bd2beb upstream.
This is a patch that adds the new Mayflash Gamecube Controller to USB adapter
(ID 1a34:f705 ACRUX) to the ACRUX driver (drivers/hid/hid-axff.c) with full
force feedback support.
Signed-off-by: Tristan Rice <rice@outerearth.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit e078809df5611600965f4d3420c3256260fc3e3d upstream.
Forgot two special driver declarations and sorted the list.
Signed-off-by: Stefan Achatz <erazor_de@users.sourceforge.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 7be63f20b00840a6f1c718dcee00855688d64acd upstream.
Add missing switch breaks.
Signed-off-by: Stefan Achatz <erazor_de@users.sourceforge.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 14fc4290df2fb94a28f39dab9ed32feaa5527bef upstream.
Ryos uses a new return value for critical errors, others have been
confirmed.
Signed-off-by: Stefan Achatz <erazor_de@users.sourceforge.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 9736a89dafe07359d9c86bf9c3b815a250b354bc upstream.
Dynamic static allocation is evil, as Kernel stack is too low, and
compilation complains about it on some archs:
drivers/media/dvb-frontends/s5h1420.c:851:1: warning: 's5h1420_tuner_i2c_tuner_xfer' uses dynamic stack allocation [enabled by default]
Instead, let's enforce a limit for the buffer.
In the specific case of this frontend, only ttpci uses it. The maximum
number of messages there is two, on I2C read operations. As the logic
can add an extra operation, change |
