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2013-12-22drivers: net : cpsw: pass proper device name while requesting irqMugunthan V N
During checking the interrupts with "cat /proc/interrupts", it is showing device name as (null), this change was done with commit id aa1a15e2d where request_irq is changed to devm_request_irq also changing the irq name from platform device name to net device name, but the net device is not registered at this point with the network frame work, so devm_request_irq is called with device name as NULL, by which it is showed as "(null)" in "cat /proc/interrupts". So this patch changes back irq name to platform device name itself in devm_request_irq so that the device name shows as below. Previous to this patch root@am335x-evm:~# cat /proc/interrupts CPU0 28: 2265 INTC 12 edma 30: 80 INTC 14 edma_error 56: 0 INTC 40 (null) 57: 1794 INTC 41 (null) 58: 7 INTC 42 (null) 59: 0 INTC 43 (null) With this patch root@am335x-evm:~# cat /proc/interrupts CPU0 28: 213 INTC 12 edma 30: 9 INTC 14 edma_error 56: 0 INTC 40 4a100000.ethernet 57: 16097 INTC 41 4a100000.ethernet 58: 11964 INTC 42 4a100000.ethernet 59: 0 INTC 43 4a100000.ethernet Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-12-22cxgb4: Add API to correctly calculate tuple fieldsKumar Sanghvi
Adds API cxgb4_select_ntuple so as to enable Upper Level Drivers to correctly calculate the tuple fields. Adds constant definitions for TP_VLAN_PRI_MAP for the Compressed Filter Tuple field widths and structures and uses them. Also, the CPL Parameters field for T5 is 40 bits so we need to prototype cxgb4_select_ntuple() to calculate and return u64 values. Based on original work by Casey Leedom <leedom@chelsio.com> Signed-off-by: Kumar Sanghvi <kumaras@chelsio.com> Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-12-22cxgb4: Account for stid entries properly in case of IPv6Kumar Sanghvi
IPv6 uses 2 TIDs with CLIP enabled and 4 TIDs without CLIP. Currently we are incrementing STIDs in use by 1 for both IPv4 and IPv6 which is wrong. Further, driver currently does not have interface to query if CLIP is programmed for particular IPv6 address. So, in this patch we increment/decrement TIDs in use by 4 for IPv6 assuming absence of CLIP. Such assumption keeps us on safe side and we don't end up allocating more stids for IPv6 than actually supported. Based on original work by Santosh Rastapur <santosh@chelsio.com> Signed-off-by: Kumar Sanghvi <kumaras@chelsio.com> Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-12-22cxgb4: Assign filter server TIDs properlyKumar Sanghvi
The LE workaround code is incorrectly reusing the TCAM TIDs (meant for allocation by firmware in case of hash collisions) for filter servers. This patch assigns the filter server TIDs properly starting from sftid_base index. Based on original work by Santosh Rastapur <santosh@chelsio.com> Signed-off-by: Kumar Sanghvi <kumaras@chelsio.com> Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-12-22cxgb4: Include TCP as protocol when creating server filtersKumar Sanghvi
We were creating LE Workaround Server Filters without specifying IPPROTO_TCP (6) in the filters (when F_PROTOCOL is set in TP_VLAN_PRI_MAP). This meant that UDP packets with matching IP Addresses/Ports would get caught up in the filter and be delivered to ULDs like iw_cxgb4. So, include the protocol information in the server filter properly. Based on original work by Casey Leedom <leedom@chelsio.com> Signed-off-by: Kumar Sanghvi <kumaras@chelsio.com> Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-12-22cxgb4: Reserve stid 0 for T4/T5 adaptersKumar Sanghvi
When creating offload server entries, an IPv6 passive connection request can trigger a reply with a null STID, whereas the driver would expect the reply 'STID to match the value used for the request. This happens due to h/w limitation on T4 and T5. This patch ensures that STID 0 is never used if the stid range starts from zero. Based on original work by Santosh Rastapur <santosh@chelsio.com> Signed-off-by: Kumar Sanghvi <kumaras@chelsio.com> Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-12-21Merge branch 'for-davem' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless John W. Linville says: ==================== Please consider pulling this batch of fixes for the 3.13 stream... For the mac80211 bits, Johannes says: "Here's a fix for another potential radiotap parser buffer overrun thanks to Evan Huus, and a fix for a cfg80211 warning in a certain corner case (reconnecting to the same BSS)." For the bluetooth bits, Gustavo says: "Two patches in this pull request. An important fix from Marcel in the permission check for HCI User Channels, there was a extra check for CAP_NET_RAW, and it was now removed. These channels should only require CAP_NET_ADMIN. The other patch is a device id addition." On top of that... Sujith Manoharan provides a workaround for a hardware problem that can result in lost interrupts. Larry Finger fixes an oops when unloading the rtlwifi driver (Red Hat bug 852761). Mathy Vanhoef fixes a somewhat minor MAC address privacy issue (CVE-2013-4579). ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2013-12-21hyperv: Fix race between probe and open callsHaiyang Zhang
Moving the register_netdev to the end of probe to prevent possible open call happens before NetVSP is connected. Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com> Reviewed-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-12-20Merge branch 'master' of ↵John W. Linville
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless into for-davem
2013-12-19Merge branch 'master' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/net Jeff Kirsher says: ==================== Intel Wired LAN Driver Updates This series contains updates to net, ixgbe and e1000e. David provides compiler fixes for e1000e. Don provides a fix for ixgbe to resolve a compile warning. John provides a fix to net where it is useful to be able to walk all upper devices when bringing a device online where the RTNL lock is held. In this case, it is safe to walk the all_adj_list because the RTNL lock is used to protect the write side as well. This patch adds a check to see if the RTNL lock is held before throwing a warning in netdev_all_upper_get_next_dev_rcu(). ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2013-12-19net: mvmdio: fix interrupt timeout handlingLeigh Brown
This version corrects the whitespace issue. orion_mdio_wait_ready uses wait_event_timeout to wait for the SMI interrupt to fire. wait_event_timeout waits for between "timeout - 1" and "timeout" jiffies. In this case a 1ms timeout when HZ is 1000 results in a wait of 0 to 1 jiffies, causing premature timeouts. This fix ensures a minimum timeout of 2 jiffies, ensuring wait_event_timeout will always wait at least 1 jiffie. Issue reported by Nicolas Schichan. Tested-by: Nicolas Schichan <nschichan@freebox.fr> Signed-off-by: Leigh Brown <leigh@solinno.co.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-12-19atl1c: Check return from pci_find_ext_capability() in atl1c_reset_pcie()Betty Dall
The function atl1c_reset_pcie() does not check the return from pci_find_ext_cabability() where it is getting the postion of the PCI_EXT_CAP_ID_ERR. It is possible for the return to be 0. Signed-off-by: Betty Dall <betty.dall@hp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-12-19net: fec: fix potential use after freeEric Dumazet
skb_tx_timestamp(skb) should be called _before_ TX completion has a chance to trigger, otherwise it is too late and we access freed memory. Signed-off-by: Eric Dumazet <edumazet@google.com> Fixes: de5fb0a05348 ("net: fec: put tx to napi poll function to fix dead lock") Cc: Frank Li <Frank.Li@freescale.com> Cc: Richard Cochran <richardcochran@gmail.com> Acked-by: Richard Cochran <richardcochran@gmail.com> Acked-by: Frank Li <Frank.Li@freescale.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-12-19bnx2x: downgrade "valid ME register value" message levelMichal Schmidt
"valid ME register value" is not an error. It should be logged for debugging only. Signed-off-by: Michal Schmidt <mschmidt@redhat.com> Acked-by: Yuval Mintz <yuvalmin@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-12-19hamradio/yam: fix info leak in ioctlSalva Peiró
The yam_ioctl() code fails to initialise the cmd field of the struct yamdrv_ioctl_cfg. Add an explicit memset(0) before filling the structure to avoid the 4-byte info leak. Signed-off-by: Salva Peiró <speiro@ai2.upv.es> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-12-19drivers/net/hamradio: Integer overflow in hdlcdrv_ioctl()Wenliang Fan
The local variable 'bi' comes from userspace. If userspace passed a large number to 'bi.data.calibrate', there would be an integer overflow in the following line: s->hdlctx.calibrate = bi.data.calibrate * s->par.bitrate / 16; Signed-off-by: Wenliang Fan <fanwlexca@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-12-19xen-netback: fix some error return codeWei Yongjun
'err' is overwrited to 0 after maybe_pull_tail() call, so the error code was not set if skb_partial_csum_set() call failed. Fix to return error -EPROTO from those error handling case instead of 0. Fixes: d52eb0d46f36 ('xen-netback: make sure skb linear area covers checksum field') Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Acked-by: Wei Liu <wei.liu2@citrix.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-12-18dm9601: work around tx fifo sync issue on dm962xPeter Korsgaard
Certain dm962x revisions contain an bug, where if a USB bulk transfer retry (E.G. if bulk crc mismatch) happens right after a transfer with odd or maxpacket length, the internal tx hardware fifo gets out of sync causing the interface to stop working. Work around it by adding up to 3 bytes of padding to ensure this situation cannot trigger. This workaround also means we never pass multiple-of-maxpacket size skb's to usbnet, so the length adjustment to handle usbnet's padding of those can be removed. Cc: <stable@vger.kernel.org> Reported-by: Joseph Chang <joseph_chang@davicom.com.tw> Signed-off-by: Peter Korsgaard <peter@korsgaard.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-12-18dm9601: make it clear that dm9620/dm9621a are also supportedPeter Korsgaard
The driver nowadays also support dm9620/dm9621a based USB 2.0 ethernet adapters, so adjust module/driver description and Kconfig help text to match. Signed-off-by: Peter Korsgaard <peter@korsgaard.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-12-18dm9601: fix reception of full size ethernet frames on dm9620/dm9621aPeter Korsgaard
dm9620/dm9621a require room for 4 byte padding even in dm9601 (3 byte header) mode. Cc: <stable@vger.kernel.org> Signed-off-by: Peter Korsgaard <peter@korsgaard.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-12-18dm9601: add support for dm9621a based donglePeter Korsgaard
dm9621a is functionally identical to dm9620, so the existing handling can directly be used. Thanks to Davicom for sending me a dongle. Signed-off-by: Peter Korsgaard <peter@korsgaard.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-12-18drivers: net cpsw: Enable In Band mode in cpsw for 10 mbpsMugunthan V N
This patch adds support for enabling In Band mode in 10 mbps speed. RGMII supports 1 Gig and 100 mbps mode for Forced mode of operation. For 10mbps mode it should be configured to in band mode so that link status, duplexity and speed are determined from the RGMII input data stream Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-12-18bonding: protect port for bond_3ad_handle_link_change()dingtianhong
The bond_3ad_handle_link_change is called with RTNL only, and the function will modify the port's information with no further locking, it will not mutex against bond state machine and incoming LACPDU which do not hold RTNL, So I add __get_state_machine_lock to protect the port. But it is not a critical bug, it exist since day one, and till now it has never been hit and reported, because changes to speed is very rare, and will not occur critical problem. The comments in the function is very old, cleanup it and add a new pr_debug to debug the port message. Signed-off-by: Ding Tianhong <dingtianhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-12-18bonding: protect port for bond_3ad_adapter_duplex_changed()dingtianhong
Jay Vosburgh said that the bond_3ad_adapter_duplex_changed is called with RTNL only, and the function will modify the port's information with no further locking, it will not mutex against bond state machine and incoming LACPDU which do not hold RTNL, So I add __get_state_machine_lock to protect the port. But it is not a critical bug, it exist since day one, and till now it has never been hit and reported, because changes to speed is very rare, and will not occur critical problem. The comments in the function is very old, cleanup it. Suggested-by: Jay Vosburgh <fubar@us.ibm.com> Signed-off-by: Ding Tianhong <dingtianhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-12-18bonding: protect port for bond_3ad_adapter_speed_changed()dingtianhong
Jay Vosburgh said that the bond_3ad_adapter_speed_changed is called with RTNL only, and the function will modify the port's information with no further locking, it will not mutex against bond state machine and incoming LACPDU which do not hold RTNL, So I add __get_state_machine_lock to protect the port. But it is not a critical bug, it exist since day one, and till now it has never been hit and reported, because changes to speed is very rare, and will not occur critical problem. The comment in the function is very old, cleanup it. Suggested-by: Jay Vosburgh <fubar@us.ibm.com> Signed-off-by: Ding Tianhong <dingtianhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-12-17ixgbe: fix for unused variable warning with certain configDon Skidmore
If CONFIG_PCI_IOV isn't defined we get an "unused variable" warining so now wrap the variable declaration like it's usage already was. Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com> Acked-by: John Fastabend <john.r.fastabend@intel.com> Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2013-12-17e1000e: Fix a compile flag mis-match for suspend/resumeDavid Ertman
This patch addresses a mis-match between the declaration and usage of the e1000_suspend and e1000_resume functions. Previously, these functions were declared in a CONFIG_PM_SLEEP wrapper, and then utilized within a CONFIG_PM wrapper. Both the declaration and usage will now be contained within CONFIG_PM wrappers. Signed-off-by: Dave Ertman <davidx.m.ertman@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2013-12-17e1000e: fix compiler warning (maybe-unitialized variable)David Ertman
This patch is to fix a compiler warning of maybe-uininitialized-variable that is generated from gcc when the -O3 flag is used. In the function e1000_reset_hw_80003es2lan(), the variable krmn_reg_data is first given a value by being passed to a register read function as a pass-by-reference parameter. But, the return value of that read function was never checked to see if the read failed and the variable not given an initial value. The compiler was smart enough to spot this. This patch is to check the return value for that read function and return it, if an error occurs, without trying to utilize the value in kmrn_reg_data. Signed-off-by: David Ertman <davidx.m.ertman@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2013-12-17e1000e: fix compiler warningsDavid Ertman
This patch is to fix a compiler warning of __bad_udelay due to a value of >999 being passed as a parameter to udelay() in the function e1000e_phy_has_link_generic(). This affects the gcc compiler when it is given a flag of -O3 and the icc compiler. This patch is also making the change from mdelay() to msleep() in the same function, since it was determined though code inspection that this function is never called in atomic context. Signed-off-by: David Ertman <davidx.m.ertman@intel.com> Acked-by: Bruce Allan <bruce.w.allan@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2013-12-17Merge branch 'fixes-for-3.13' of git://gitorious.org/linux-can/linux-canDavid S. Miller
Marc Kleine-Budde says: ==================== this is a pull request with two fixes for net/master, the current release cycle. It consists of a patch by Alexey Khoroshilov from the Linux Driver Verification project, which fixes a memory leak in ems_usb's failure patch. And a patch by me which fixes a memory leak in the peak usb driver. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2013-12-17qlcnic: Dump mailbox registers when mailbox command times out.Manish chopra
Signed-off-by: Manish Chopra <manish.chopra@qlogic.com> Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-12-17qlcnic: Fix mailbox processing during diagnostic testManish chopra
o Do not enable mailbox polling in case of legacy interrupt. Process mailbox AEN/response from the interrupt. Signed-off-by: Manish Chopra <manish.chopra@qlogic.com> Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-12-17qlcnic: Allow firmware dump collection when auto firmware recovery is disabledManish Chopra
o Allow driver to collect firmware dump, during a forced firmware dump operation, when auto firmware recovery is disabled. Also, during this operation, driver should not allow reset recovery to be performed. Signed-off-by: Manish Chopra <manish.chopra@qlogic.com> Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-12-17qlcnic: Fix memory allocationManish Chopra
o Use vzalloc() instead of kzalloc() for allocation of bootloader size memory. kzalloc() may fail to allocate the size of bootloader Signed-off-by: Manish Chopra <manish.chopra@qlogic.com> Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-12-17qlcnic: Fix TSS/RSS validation for 83xx/84xx series adapter.Himanshu Madhani
o Current code was not allowing the user to configure more than one Tx ring using ethtool for 83xx/84xx adapter. This regression was introduced by commit id 18afc102fdcb95d6c7d57f2967a06f2f8fe3ba4c ("qlcnic: Enable multiple Tx queue support for 83xx/84xx Series adapter.") Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-12-17qlcnic: Fix TSS/RSS ring validation logic.Himanshu Madhani
o TSS/RSS ring validation does not take into account that either of these ring values can be 0. This patch fixes this validation and would fail set_channel operation if any of these ring value is 0. This regression was added as part of commit id 34e8c406fda5b5a9d2e126a92bab84cd28e3b5fa ("qlcnic: refactor Tx/SDS ring calculation and validation in driver.") Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-12-17qlcnic: Fix diagnostic test for all adapters.Himanshu Madhani
o Driver should re-allocate all Tx queues after completing diagnostic tests. This regression was added by commit id c2c5e3a0681bb1945c0cb211a5f4baa22cb2cbb3 ("qlcnic: Enable diagnostic test for multiple Tx queues.") Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-12-17qlcnic: Fix usage of netif_tx_{wake, stop} api during link change.Himanshu Madhani
o Driver was using netif_tx_{stop,wake}_all_queues() api during link change event. Remove these api calls to manage queue start/stop event, as core networking stack will manage this based on netif_carrier_{on,off} call. These API's were modified as part of commit id 012ec81223aa45d2b80aeafb77392fd1a19c7b10 ("qlcnic: Multi Tx queue support for 82xx Series adapter.") Signed-off-by: Shahed Shaikh <shahed.shaikh@qlogic.com> Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-12-17xen-netback: fix fragments error handling in checksum_setup_ip()Wei Yongjun
Fix to return -EPROTO error if fragments detected in checksum_setup_ip(). Fixes: 1431fb31ecba ('xen-netback: fix fragment detection in checksum setup') Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Reviewed-by: Paul Durrant <paul.durrant@citrix.com> Acked-by: Ian Campbell <ian.campbell@citrix.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-12-17netvsc: don't flush peers notifying work during setting mtuJason Wang
There's a possible deadlock if we flush the peers notifying work during setting mtu: [ 22.991149] ====================================================== [ 22.991173] [ INFO: possible circular locking dependency detected ] [ 22.991198] 3.10.0-54.0.1.el7.x86_64.debug #1 Not tainted [ 22.991219] ------------------------------------------------------- [ 22.991243] ip/974 is trying to acquire lock: [ 22.991261] ((&(&net_device_ctx->dwork)->work)){+.+.+.}, at: [<ffffffff8108af95>] flush_work+0x5/0x2e0 [ 22.991307] but task is already holding lock: [ 22.991330] (rtnl_mutex){+.+.+.}, at: [<ffffffff81539deb>] rtnetlink_rcv+0x1b/0x40 [ 22.991367] which lock already depends on the new lock. [ 22.991398] the existing dependency chain (in reverse order) is: [ 22.991426] -> #1 (rtnl_mutex){+.+.+.}: [ 22.991449] [<ffffffff810dfdd9>] __lock_acquire+0xb19/0x1260 [ 22.991477] [<ffffffff810e0d12>] lock_acquire+0xa2/0x1f0 [ 22.991501] [<ffffffff81673659>] mutex_lock_nested+0x89/0x4f0 [ 22.991529] [<ffffffff815392b7>] rtnl_lock+0x17/0x20 [ 22.991552] [<ffffffff815230b2>] netdev_notify_peers+0x12/0x30 [ 22.991579] [<ffffffffa0340212>] netvsc_send_garp+0x22/0x30 [hv_netvsc] [ 22.991610] [<ffffffff8108d251>] process_one_work+0x211/0x6e0 [ 22.991637] [<ffffffff8108d83b>] worker_thread+0x11b/0x3a0 [ 22.991663] [<ffffffff81095e5d>] kthread+0xed/0x100 [ 22.991686] [<ffffffff81681c6c>] ret_from_fork+0x7c/0xb0 [ 22.991715] -> #0 ((&(&net_device_ctx->dwork)->work)){+.+.+.}: [ 22.991715] [<ffffffff810de817>] check_prevs_add+0x967/0x970 [ 22.991715] [<ffffffff810dfdd9>] __lock_acquire+0xb19/0x1260 [ 22.991715] [<ffffffff810e0d12>] lock_acquire+0xa2/0x1f0 [ 22.991715] [<ffffffff8108afde>] flush_work+0x4e/0x2e0 [ 22.991715] [<ffffffff8108e1b5>] __cancel_work_timer+0x95/0x130 [ 22.991715] [<ffffffff8108e303>] cancel_delayed_work_sync+0x13/0x20 [ 22.991715] [<ffffffffa03404e4>] netvsc_change_mtu+0x84/0x200 [hv_netvsc] [ 22.991715] [<ffffffff815233d4>] dev_set_mtu+0x34/0x80 [ 22.991715] [<ffffffff8153bc2a>] do_setlink+0x23a/0xa00 [ 22.991715] [<ffffffff8153d054>] rtnl_newlink+0x394/0x5e0 [ 22.991715] [<ffffffff81539eac>] rtnetlink_rcv_msg+0x9c/0x260 [ 22.991715] [<ffffffff8155cdd9>] netlink_rcv_skb+0xa9/0xc0 [ 22.991715] [<ffffffff81539dfa>] rtnetlink_rcv+0x2a/0x40 [ 22.991715] [<ffffffff8155c41d>] netlink_unicast+0xdd/0x190 [ 22.991715] [<ffffffff8155c807>] netlink_sendmsg+0x337/0x750 [ 22.991715] [<ffffffff8150d219>] sock_sendmsg+0x99/0xd0 [ 22.991715] [<ffffffff8150d63e>] ___sys_sendmsg+0x39e/0x3b0 [ 22.991715] [<ffffffff8150eba2>] __sys_sendmsg+0x42/0x80 [ 22.991715] [<ffffffff8150ebf2>] SyS_sendmsg+0x12/0x20 [ 22.991715] [<ffffffff81681d19>] system_call_fastpath+0x16/0x1b This is because we hold the rtnl_lock() before ndo_change_mtu() and try to flush the work in netvsc_change_mtu(), in the mean time, netdev_notify_peers() may be called from worker and also trying to hold the rtnl_lock. This will lead the flush won't succeed forever. Solve this by not canceling and flushing the work, this is safe because the transmission done by NETDEV_NOTIFY_PEERS was synchronized with the netif_tx_disable() called by netvsc_change_mtu(). Reported-by: Yaju Cao <yacao@redhat.com> Tested-by: Yaju Cao <yacao@redhat.com> Cc: K. Y. Srinivasan <kys@microsoft.com> Cc: Haiyang Zhang <haiyangz@microsoft.com> Signed-off-by: Jason Wang <jasowang@redhat.com> Acked-by: Haiyang Zhang <haiyangz@microsoft.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-12-17ath9k: Fix interrupt handling for the AR9002 familySujith Manoharan
This patch adds a driver workaround for a HW issue. A race condition in the HW results in missing interrupts, which can be avoided by a read/write with the ISR register. All chips in the AR9002 series are affected by this bug - AR9003 and above do not have this problem. Cc: stable@vger.kernel.org Cc: Felix Fietkau <nbd@openwrt.org> Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-12-17rtlwifi: pci: Fix oops on driver unloadLarry Finger
On Fedora systems, unloading rtl8192ce causes an oops. This patch fixes the problem reported at https://bugzilla.redhat.com/show_bug.cgi?id=852761. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Cc: Stable <stable@vger.kernel.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-12-17ath9k_htc: properly set MAC address and BSSID maskMathy Vanhoef
Pick the MAC address of the first virtual interface as the new hardware MAC address. Set BSSID mask according to this MAC address. This fixes CVE-2013-4579. Signed-off-by: Mathy Vanhoef <vanhoefm@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-12-17can: peak_usb: fix mem leak in pcan_usb_pro_init()Marc Kleine-Budde
This patch fixes a memory leak in pcan_usb_pro_init(). In patch f14e224 net: can: peak_usb: Do not do dma on the stack the struct pcan_usb_pro_fwinfo *fi and struct pcan_usb_pro_blinfo *bi were converted from stack to dynamic allocation va kmalloc(). However the corresponding kfree() was not introduced. This patch adds the missing kfree(). Cc: linux-stable <stable@vger.kernel.org> # v3.10 Reported-by: Stephane Grosjean <s.grosjean@peak-system.com> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2013-12-17can: ems_usb: fix urb leaks on failure pathsAlexey Khoroshilov
There are a couple failure paths where urb leaks. Is spare code within ems_usb_start_xmit(), usb_free_urb() should be used to deallocate urb instead of usb_unanchor_urb(). In ems_usb_start() there is no usb_free_urb() if usb_submit_urb() fails. Found by Linux Driver Verification project (linuxtesting.org). Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru> Acked-by: Sebastian Haas <dev@sebastianhaas.info> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2013-12-16mac80211_hwsim: Fix NULL pointer dereferenceJavier Lopez
mac80211_hwsim was crashing when receiving tx information from user space. Crash happens because txi->rate_driver_data[0] is pointing to a non valid memory address. This code path is only used by wmediumd and wmediumd doesn't provide multiple channel support, so we can pass the channel struct (data2->channel) directly to mac80211_hwsim_monitor_ack function. Signed-off-by: Javier Lopez <jlopex@cozybit.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2013-12-14igb: Fix for issue where values could be too high for udelay function.Carolyn Wyborny
This patch changes the igb_phy_has_link function to check the value of the parameter before deciding to use udelay or mdelay in order to be sure that the value is not too high for udelay function. CC: stable kernel <stable@vger.kernel.org> # 3.9+ Signed-off-by: Sunil K Pandey <sunil.k.pandey@intel.com> Signed-off-by: Kevin B Smith <kevin.b.smith@intel.com> Signed-off-by: Carolyn Wyborny <carolyn.wyborny@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-12-14i40e: fix null dereferenceJesse Brandeburg
If the vsi->tx_rings structure is NULL we don't want to panic. Change-Id: Ic694f043701738c434e8ebe0caf0673f4410dc10 Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-12-12xen-netback: fix gso_prefix checkPaul Durrant
There is a mistake in checking the gso_prefix mask when passing large packets to a guest. The wrong shift is applied to the bit - the raw skb gso type is used rather then the translated one. This leads to large packets being handed to the guest without the GSO metadata. This patch fixes the check. The mistake manifested as errors whilst running Microsoft HCK large packet offload tests between a pair of Windows 8 VMs. I have verified this patch fixes those errors. Signed-off-by: Paul Durrant <paul.durrant@citrix.com> Cc: Wei Liu <wei.liu2@citrix.com> Cc: Ian Campbell <ian.campbell@citrix.com> Cc: David Vrabel <david.vrabel@citrix.com> Acked-by: Ian Campbell <ian.campbell@citrix.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-12-12drivers: net: cpsw: fix for cpsw crash when build as modulesMugunthan V N
When CPSW and Davinci MDIO are build as modules, CPSW crashes when accessing CPSW registers in CPSW probe. The same is working in built-in as the CPSW clocks are enabled in Davindi MDIO probe, SO Enabling the clocks before accessing the version register and moving out the other register access to cpsw device open. Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com> Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: David S. Miller <davem@davemloft.net>