- 19 Mar, 2015 1 commit
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Linus Torvalds authored
commit 7fb08eca upstream. This replaces four copies in various stages of mm_fault_error() handling with just a single one. It will also allow for more natural placement of the unlocking after some further cleanup. Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by:
Kamal Mostafa <kamal@canonical.com>
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- 18 Mar, 2015 14 commits
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Janne Heikkinen authored
commit 134d3b35 upstream. Asus X553MA has USB device 04ca:3010 that is Atheros AR3012 or compatible. Device from /sys/kernel/debug/usb/devices: T: Bus=01 Lev=02 Prnt=02 Port=03 Cnt=02 Dev#= 27 Spd=12 MxCh= 0 D: Ver= 1.10 Cls=e0(wlcon) Sub=01 Prot=01 MxPS=64 #Cfgs= 1 P: Vendor=04ca ProdID=3010 Rev= 0.02 C:* #Ifs= 2 Cfg#= 1 Atr=e0 MxPwr=100mA A: FirstIf#= 0 IfCount= 2 Cls=e0(wlcon) Sub=01 Prot=01 I:* If#= 0 Alt= 0 #EPs= 3 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=81(I) Atr=03(Int.) MxPS= 16 Ivl=1ms E: Ad=82(I) Atr=02(Bulk) MxPS= 64 Ivl=0ms E: Ad=02(O) Atr=02(Bulk) MxPS= 64 Ivl=0ms I:* If#= 1 Alt= 0 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=83(I) Atr=01(Isoc) MxPS= 0 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 0 Ivl=1ms I: If#= 1 Alt= 1 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=83(I) Atr=01(Isoc) MxPS= 9 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 9 Ivl=1ms I: If#= 1 Alt= 2 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=83(I) Atr=01(Isoc) MxPS= 17 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 17 Ivl=1ms I: If#= 1 Alt= 3 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=83(I) Atr=01(Isoc) MxPS= 25 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 25 Ivl=1ms I: If#= 1 Alt= 4 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=83(I) Atr=01(Isoc) MxPS= 33 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 33 Ivl=1ms I: If#= 1 Alt= 5 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=83(I) Atr=01(Isoc) MxPS= 49 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 49 Ivl=1ms Signed-off-by:
Janne Heikkinen <janne.m.heikkinen@gmail.com> Signed-off-by:
Marcel Holtmann <marcel@holtmann.org> Signed-off-by:
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Anantha Krishnan authored
commit 4b552bc9 upstream. Add support for the QCA6174 chip. T: Bus=06 Lev=01 Prnt=01 Port=01 Cnt=02 Dev#= 3 Spd=12 MxCh= 0 D: Ver= 1.10 Cls=e0(wlcon) Sub=01 Prot=01 MxPS=64 #Cfgs= 1 P: Vendor=0489 ProdID=e078 Rev=00.01 C: #Ifs= 2 Cfg#= 1 Atr=e0 MxPwr=100mA I: If#= 0 Alt= 0 #EPs= 3 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb I: If#= 1 Alt= 0 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb Signed-off-by:
Anantha Krishnan <ananthk@codeaurora.org> Signed-off-by:
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Vincent Zwanenburg authored
commit 89d2975f upstream. usb devices info: T: Bus=01 Lev=02 Prnt=05 Port=00 Cnt=01 Dev#= 20 Spd=12 MxCh= 0 D: Ver= 1.10 Cls=e0(wlcon) Sub=01 Prot=01 MxPS=64 #Cfgs= 1 P: Vendor=0930 ProdID=0227 Rev= 0.02 C:* #Ifs= 2 Cfg#= 1 Atr=e0 MxPwr=100mA A: FirstIf#= 0 IfCount= 2 Cls=e0(wlcon) Sub=01 Prot=01 I:* If#= 0 Alt= 0 #EPs= 3 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=81(I) Atr=03(Int.) MxPS= 16 Ivl=1ms E: Ad=82(I) Atr=02(Bulk) MxPS= 64 Ivl=0ms E: Ad=02(O) Atr=02(Bulk) MxPS= 64 Ivl=0ms I:* If#= 1 Alt= 0 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=83(I) Atr=01(Isoc) MxPS= 0 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 0 Ivl=1ms I: If#= 1 Alt= 1 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=83(I) Atr=01(Isoc) MxPS= 9 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 9 Ivl=1ms I: If#= 1 Alt= 2 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=83(I) Atr=01(Isoc) MxPS= 17 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 17 Ivl=1ms I: If#= 1 Alt= 3 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=83(I) Atr=01(Isoc) MxPS= 25 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 25 Ivl=1ms I: If#= 1 Alt= 4 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=83(I) Atr=01(Isoc) MxPS= 33 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 33 Ivl=1ms I: If#= 1 Alt= 5 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=83(I) Atr=01(Isoc) MxPS= 49 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 49 Ivl=1ms Signed-off-by:
Vincent Zwanenburg <vincentz@topmail.ie> Signed-off-by:
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Marcel Holtmann authored
commit c2aef6e8 upstream. The Asus Z97-DELUXE motherboard contains a Broadcom based Bluetooth controller on the USB bus. However vendor and product ID are listed as ASUSTek Computer. T: Bus=01 Lev=01 Prnt=01 Port=01 Cnt=02 Dev#= 3 Spd=12 MxCh= 0 D: Ver= 2.00 Cls=ff(vend.) Sub=01 Prot=01 MxPS=64 #Cfgs= 1 P: Vendor=0b05 ProdID=17cf Rev= 1.12 S: Manufacturer=Broadcom Corp S: Product=BCM20702A0 S: SerialNumber=54271E910064 C:* #Ifs= 4 Cfg#= 1 Atr=e0 MxPwr= 0mA I:* If#= 0 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=01 Prot=01 Driver=btusb E: Ad=81(I) Atr=03(Int.) MxPS= 16 Ivl=1ms E: Ad=82(I) Atr=02(Bulk) MxPS= 64 Ivl=0ms E: Ad=02(O) Atr=02(Bulk) MxPS= 64 Ivl=0ms I:* If#= 1 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=01 Prot=01 Driver=btusb E: Ad=83(I) Atr=01(Isoc) MxPS= 0 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 0 Ivl=1ms I: If#= 1 Alt= 1 #EPs= 2 Cls=ff(vend.) Sub=01 Prot=01 Driver=btusb E: Ad=83(I) Atr=01(Isoc) MxPS= 9 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 9 Ivl=1ms I: If#= 1 Alt= 2 #EPs= 2 Cls=ff(vend.) Sub=01 Prot=01 Driver=btusb E: Ad=83(I) Atr=01(Isoc) MxPS= 17 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 17 Ivl=1ms I: If#= 1 Alt= 3 #EPs= 2 Cls=ff(vend.) Sub=01 Prot=01 Driver=btusb E: Ad=83(I) Atr=01(Isoc) MxPS= 25 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 25 Ivl=1ms I: If#= 1 Alt= 4 #EPs= 2 Cls=ff(vend.) Sub=01 Prot=01 Driver=btusb E: Ad=83(I) Atr=01(Isoc) MxPS= 33 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 33 Ivl=1ms I: If#= 1 Alt= 5 #EPs= 2 Cls=ff(vend.) Sub=01 Prot=01 Driver=btusb E: Ad=83(I) Atr=01(Isoc) MxPS= 49 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 49 Ivl=1ms I:* If#= 2 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=(none) E: Ad=84(I) Atr=02(Bulk) MxPS= 32 Ivl=0ms E: Ad=04(O) Atr=02(Bulk) MxPS= 32 Ivl=0ms I:* If#= 3 Alt= 0 #EPs= 0 Cls=fe(app. ) Sub=01 Prot=01 Driver=(none) Reported-by:
Jerome Leclanche <jerome@leclan.ch> Signed-off-by:
Johan Hedberg <johan.hedberg@intel.com> Signed-off-by:
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Anantha Krishnan authored
commit fa2f1394 upstream. Add support for the QCA6174 chip. T: Bus=04 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 30 Spd=12 MxCh= 0 D: Ver= 1.10 Cls=e0(wlcon) Sub=01 Prot=01 MxPS=64 #Cfgs= 1 P: Vendor=13d3 ProdID=3432 Rev=00.02 C: #Ifs= 2 Cfg#= 1 Atr=e0 MxPwr=100mA I: If#= 0 Alt= 0 #EPs= 3 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb I: If#= 1 Alt= 0 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb Signed-off-by:
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Marcel Holtmann authored
commit d92f2df0 upstream. The isochronous endpoints are not valid when the Intel Bluetooth controller boots up in bootloader mode. So just mark these endpoints as broken and then they will not be configured. Signed-off-by:
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Marcel Holtmann authored
commit 40df783d upstream. Intel Bluetooth devices that boot up in bootloader mode can not be used as generic HCI devices, but their HCI transport is still valuable and so bring that up as raw-only devices. T: Bus=02 Lev=02 Prnt=03 Port=00 Cnt=01 Dev#= 14 Spd=12 MxCh= 0 D: Ver= 1.10 Cls=ff(vend.) Sub=00 Prot=00 MxPS=64 #Cfgs= 1 P: Vendor=8087 ProdID=0a5a Rev= 0.00 S: Manufacturer=Intel(R) Corporation S: Product=Intel(R) Wilkins Peak 2x2 S: SerialNumber=001122334455 WP_A0 C:* #Ifs= 2 Cfg#= 1 Atr=e0 MxPwr=100mA I:* If#= 0 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=(none) E: Ad=81(I) Atr=03(Int.) MxPS= 64 Ivl=1ms E: Ad=02(O) Atr=02(Bulk) MxPS= 64 Ivl=0ms E: Ad=82(I) Atr=02(Bulk) MxPS= 64 Ivl=0ms I:* If#= 1 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=(none) E: Ad=03(O) Atr=01(Isoc) MxPS= 0 Ivl=1ms E: Ad=83(I) Atr=01(Isoc) MxPS= 0 Ivl=1ms I: If#= 1 Alt= 1 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=(none) E: Ad=03(O) Atr=01(Isoc) MxPS= 9 Ivl=1ms E: Ad=83(I) Atr=01(Isoc) MxPS= 9 Ivl=1ms I: If#= 1 Alt= 2 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=(none) E: Ad=03(O) Atr=01(Isoc) MxPS= 17 Ivl=1ms E: Ad=83(I) Atr=01(Isoc) MxPS= 17 Ivl=1ms I: If#= 1 Alt= 3 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=(none) E: Ad=03(O) Atr=01(Isoc) MxPS= 25 Ivl=1ms E: Ad=83(I) Atr=01(Isoc) MxPS= 25 Ivl=1ms I: If#= 1 Alt= 4 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=(none) E: Ad=03(O) Atr=01(Isoc) MxPS= 33 Ivl=1ms E: Ad=83(I) Atr=01(Isoc) MxPS= 33 Ivl=1ms I: If#= 1 Alt= 5 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=(none) E: Ad=03(O) Atr=01(Isoc) MxPS= 49 Ivl=1ms E: Ad=83(I) Atr=01(Isoc) MxPS= 49 Ivl=1ms Signed-off-by:
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Andy Shevchenko authored
commit a735f9e2 upstream. The device found on Asus Z87 Expert motherboard requires firmware to work correctly. T: Bus=03 Lev=01 Prnt=01 Port=03 Cnt=02 Dev#= 3 Spd=12 MxCh= 0 D: Ver= 1.10 Cls=e0(wlcon) Sub=01 Prot=01 MxPS=64 #Cfgs= 1 P: Vendor=0b05 ProdID=17d0 Rev=00.02 C: #Ifs= 2 Cfg#= 1 Atr=e0 MxPwr=100mA I: If#= 0 Alt= 0 #EPs= 3 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb I: If#= 1 Alt= 0 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb Signed-off-by:
Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by:
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Andy Shevchenko authored
commit 0b880062 upstream. This will help to manage table of supported IDs. There is no functional change. Signed-off-by:
Ben Hutchings <ben@decadent.org.uk> Signed-off-by:
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Jurgen Kramer authored
commit 9113bfd8 upstream. Add support for IMC Networks (Broadcom based) to btusb driver. Below the output of /sys/kernel/debug/usb/devices for this device: T: Bus=01 Lev=02 Prnt=02 Port=04 Cnt=01 Dev#= 3 Spd=12 MxCh= 0 D: Ver= 2.00 Cls=ff(vend.) Sub=01 Prot=01 MxPS=64 #Cfgs= 1 P: Vendor=13d3 ProdID=3404 Rev= 1.12 S: Manufacturer=Broadcom Corp S: Product=BCM20702A0 S: SerialNumber=240A649F8246 C:* #Ifs= 4 Cfg#= 1 Atr=e0 MxPwr= 0mA I:* If#= 0 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=01 Prot=01 Driver=btusb E: Ad=81(I) Atr=03(Int.) MxPS= 16 Ivl=1ms E: Ad=82(I) Atr=02(Bulk) MxPS= 64 Ivl=0ms E: Ad=02(O) Atr=02(Bulk) MxPS= 64 Ivl=0ms I:* If#= 1 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=01 Prot=01 Driver=btusb E: Ad=83(I) Atr=01(Isoc) MxPS= 0 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 0 Ivl=1ms I: If#= 1 Alt= 1 #EPs= 2 Cls=ff(vend.) Sub=01 Prot=01 Driver=btusb E: Ad=83(I) Atr=01(Isoc) MxPS= 9 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 9 Ivl=1ms I: If#= 1 Alt= 2 #EPs= 2 Cls=ff(vend.) Sub=01 Prot=01 Driver=btusb E: Ad=83(I) Atr=01(Isoc) MxPS= 17 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 17 Ivl=1ms I: If#= 1 Alt= 3 #EPs= 2 Cls=ff(vend.) Sub=01 Prot=01 Driver=btusb E: Ad=83(I) Atr=01(Isoc) MxPS= 25 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 25 Ivl=1ms I: If#= 1 Alt= 4 #EPs= 2 Cls=ff(vend.) Sub=01 Prot=01 Driver=btusb E: Ad=83(I) Atr=01(Isoc) MxPS= 33 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 33 Ivl=1ms I: If#= 1 Alt= 5 #EPs= 2 Cls=ff(vend.) Sub=01 Prot=01 Driver=btusb E: Ad=83(I) Atr=01(Isoc) MxPS= 49 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 49 Ivl=1ms I:* If#= 2 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=(none) E: Ad=84(I) Atr=02(Bulk) MxPS= 32 Ivl=0ms E: Ad=04(O) Atr=02(Bulk) MxPS= 32 Ivl=0ms I:* If#= 3 Alt= 0 #EPs= 0 Cls=fe(app. ) Sub=01 Prot=01 Driver=(none) Signed-off-by:
Jurgen Kramer <gtmkramer@xs4all.nl> Signed-off-by:
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Oliver Neukum authored
commit 1e56f1eb upstream. The device is not functional without firmware. The device without firmware: T: Bus=02 Lev=02 Prnt=02 Port=05 Cnt=01 Dev#= 3 Spd=12 MxCh= 0 D: Ver= 1.10 Cls=e0(wlcon) Sub=01 Prot=01 MxPS=64 #Cfgs= 1 P: Vendor=0cf3 ProdID=311f Rev=00.01 C: #Ifs= 2 Cfg#= 1 Atr=e0 MxPwr=100mA I: If#= 0 Alt= 0 #EPs= 3 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb I: If#= 1 Alt= 0 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb The device with firmware: T: Bus=02 Lev=02 Prnt=02 Port=05 Cnt=01 Dev#= 4 Spd=12 MxCh= 0 D: Ver= 1.10 Cls=e0(wlcon) Sub=01 Prot=01 MxPS=64 #Cfgs= 1 P: Vendor=0cf3 ProdID=3007 Rev=00.01 C: #Ifs= 2 Cfg#= 1 Atr=e0 MxPwr=100mA I: If#= 0 Alt= 0 #EPs= 3 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb I: If#= 1 Alt= 0 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb Signed-off-by:
Oliver Neukum <oneukum@suse.de> Signed-off-by:
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Oliver Neukum authored
commit b131237c upstream. The device will bind to btusb without firmware, but with the original buggy firmware device discovery does not work. No devices are detected. Device descriptor without firmware: T: Bus=03 Lev=01 Prnt=01 Port=02 Cnt=01 Dev#= 2 Spd=12 MxCh= 0 D: Ver= 1.10 Cls=e0(wlcon) Sub=01 Prot=01 MxPS=64 #Cfgs= 1 P: Vendor=0cf3 ProdID=311e Rev= 0.01 C:* #Ifs= 2 Cfg#= 1 Atr=e0 MxPwr=100mA I:* If#= 0 Alt= 0 #EPs= 3 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=81(I) Atr=03(Int.) MxPS= 16 Ivl=1ms E: Ad=82(I) Atr=02(Bulk) MxPS= 64 Ivl=0ms E: Ad=02(O) Atr=02(Bulk) MxPS= 64 Ivl=0ms I:* If#= 1 Alt= 0 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=83(I) Atr=01(Isoc) MxPS= 0 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 0 Ivl=1ms I: If#= 1 Alt= 1 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=83(I) Atr=01(Isoc) MxPS= 9 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 9 Ivl=1ms I: If#= 1 Alt= 2 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=83(I) Atr=01(Isoc) MxPS= 17 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 17 Ivl=1ms I: If#= 1 Alt= 3 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=83(I) Atr=01(Isoc) MxPS= 25 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 25 Ivl=1ms I: If#= 1 Alt= 4 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=83(I) Atr=01(Isoc) MxPS= 33 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 33 Ivl=1ms I: If#= 1 Alt= 5 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=83(I) Atr=01(Isoc) MxPS= 49 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 49 Ivl=1ms with firmware: T: Bus=03 Lev=01 Prnt=01 Port=02 Cnt=01 Dev#= 3 Spd=12 MxCh= 0 D: Ver= 1.10 Cls=e0(wlcon) Sub=01 Prot=01 MxPS=64 #Cfgs= 1 P: Vendor=0cf3 ProdID=311e Rev= 0.02 C:* #Ifs= 2 Cfg#= 1 Atr=e0 MxPwr=100mA I:* If#= 0 Alt= 0 #EPs= 3 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=81(I) Atr=03(Int.) MxPS= 16 Ivl=1ms E: Ad=82(I) Atr=02(Bulk) MxPS= 64 Ivl=0ms E: Ad=02(O) Atr=02(Bulk) MxPS= 64 Ivl=0ms I:* If#= 1 Alt= 0 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=83(I) Atr=01(Isoc) MxPS= 0 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 0 Ivl=1ms I: If#= 1 Alt= 1 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=83(I) Atr=01(Isoc) MxPS= 9 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 9 Ivl=1ms I: If#= 1 Alt= 2 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=83(I) Atr=01(Isoc) MxPS= 17 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 17 Ivl=1ms I: If#= 1 Alt= 3 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=83(I) Atr=01(Isoc) MxPS= 25 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 25 Ivl=1ms I: If#= 1 Alt= 4 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=83(I) Atr=01(Isoc) MxPS= 33 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 33 Ivl=1ms I: If#= 1 Alt= 5 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=83(I) Atr=01(Isoc) MxPS= 49 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 49 Ivl=1ms Signed-off-by:
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Alex Wang authored
commit 4a46b24e upstream. BugLink: http://bugs.launchpad.net/bugs/1408972 Due to the race condition in userspace, there is chance that two overlapping megaflows could be installed in datapath. And this causes userspace unable to delete the less inclusive megaflow flow even after it timeout, since the flow_del logic will stop at the first match of masked flow. This commit fixes the bug by making the kernel flow_del and flow_get logic check all masks in that case. Introduced by 03f0d916 (openvswitch: Mega flow implementation). Signed-off-by:
Alex Wang <alexw@nicira.com> Acked-by:
Andy Zhou <azhou@nicira.com> Signed-off-by:
Pravin B Shelar <pshelar@nicira.com> (backported from commit 4a46b24e) Signed-off-by:
Joseph Salisbury <joseph.salisbury@canonical.com> Signed-off-by:
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Jesse Gross authored
commit 663efa36 upstream. Flow lookup can happen either in packet processing context or userspace context but it was annotated as requiring RCU read lock to be held. This also allows OVS mutex to be held without causing warnings. Reported-by:
Justin Pettit <jpettit@nicira.com> Signed-off-by:
Jesse Gross <jesse@nicira.com> Reviewed-by:
Thomas Graf <tgraf@redhat.com> [ kamal: 3.13-stable prereq for: 4a46b24e openvswitch: Use exact lookup for flow_get and flow_del. ] Cc: Joseph Salisbury <joseph.salisbury@canonical.com> Signed-off-by:
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- 26 Feb, 2015 1 commit
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Catalin Marinas authored
commit d6ad3691 upstream. Commit 0b46b8a7 (clocksource: arch_timer: Fix code to use physical timers when requested) introduces the use of physical counters in the ARM architected timer driver. However, he arm64 kernel uses CNTVCT in VDSO. When booting in EL2, the kernel switches to the physical timers to make things easier for KVM but it continues to use the virtual counter both in user and kernel. While in such scenario CNTVCT == CNTPCT (since CNTVOFF is initialised by the kernel to 0), we want to spot firmware bugs corrupting CNTVOFF early (which would affect CNTVCT). Signed-off-by:
Catalin Marinas <catalin.marinas@arm.com> Tested-by:
Yingjoe Chen <yingjoe.chen@mediatek.com> Cc: Daniel Lezcano <daniel.lezcano@linaro.org> Signed-off-by:
Arnd Bergmann <arnd@arndb.de> BugLink: https://launchpad.net/bugs/1426043Signed-off-by:
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- 24 Feb, 2015 7 commits
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Ben Hutchings authored
We need to check the position and size of file writes against various limits, using generic_write_check(). This was not being done for the splice write path. It was fixed upstream by commit 8d020765 ("->splice_write() via ->write_iter()") but we can't apply that. CVE-2014-7822 Signed-off-by:
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Kamal Mostafa authored
Signed-off-by: -
John Stultz authored
commit 29183a70 upstream. Additional validation of adjtimex freq values to avoid potential multiplication overflows were added in commit 5e5aeb43 (time: adjtimex: Validate the ADJ_FREQUENCY values) Unfortunately the patch used LONG_MAX/MIN instead of LLONG_MAX/MIN, which was fine on 64-bit systems, but being much smaller on 32-bit systems caused false positives resulting in most direct frequency adjustments to fail w/ EINVAL. ntpd only does direct frequency adjustments at startup, so the issue was not as easily observed there, but other time sync applications like ptpd and chrony were more effected by the bug. See bugs: https://bugzilla.kernel.org/show_bug.cgi?id=92481 https://bugzilla.redhat.com/show_bug.cgi?id=1188074 This patch changes the checks to use LLONG_MAX for clarity, and additionally the checks are disabled on 32-bit systems since LLONG_MAX/PPM_SCALE is always larger then the 32-bit long freq value, so multiplication overflows aren't possible there. Reported-by:
Josh Boyer <jwboyer@fedoraproject.org> Reported-by:
George Joseph <george.joseph@fairview5.com> Tested-by:
John Stultz <john.stultz@linaro.org> Signed-off-by:
Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Sasha Levin <sasha.levin@oracle.com> Link: http://lkml.kernel.org/r/1423553436-29747-1-git-send-email-john.stultz@linaro.org [ Prettified the changelog and the comments a bit. ] Signed-off-by:
Ingo Molnar <mingo@kernel.org> Signed-off-by:
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Sasha Levin authored
commit 5e5aeb43 upstream. Verify that the frequency value from userspace is valid and makes sense. Unverified values can cause overflows later on. Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@kernel.org> Signed-off-by:
Sasha Levin <sasha.levin@oracle.com> [jstultz: Fix up bug for negative values and drop redunent cap check] Signed-off-by:
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Joe Thornber authored
commit a59db676 upstream. Introduce a new variable to count the number of allocated migration structures. The existing variable cache->nr_migrations became overloaded. It was used to: i) track of the number of migrations in flight for the purposes of quiescing during suspend. ii) to estimate the amount of background IO occuring. Recent discard changes meant that REQ_DISCARD bios are processed with a migration. Discards are not background IO so nr_migrations was not incremented. However this could cause quiescing to complete early. (i) is now handled with a new variable cache->nr_allocated_migrations. cache->nr_migrations has been renamed cache->nr_io_migrations. cleanup_migration() is now called free_io_migration(), since it decrements that variable. Also, remove the unused cache->next_migration variable that got replaced with with prealloc_structs a while ago. Signed-off-by:
Joe Thornber <ejt@redhat.com> Signed-off-by:
Mike Snitzer <snitzer@redhat.com> Signed-off-by:
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Joe Thornber authored
commit 9b1cc9f2 upstream. If a DM table is reloaded with an inactive table when the device is not suspended (normal procedure for LVM2), then there will be two dm-bufio objects that can diverge. This can lead to a situation where the inactive table uses bufio to read metadata at the same time the active table writes metadata -- resulting in the inactive table having stale metadata buffers once it is promoted to the active table slot. Fix this by using reference counting and a global list of cache metadata objects to ensure there is only one metadata object per metadata device. Signed-off-by:
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Nadav Amit authored
commit f3747379 upstream. SYSENTER emulation is broken in several ways: 1. It misses the case of 16-bit code segments completely (CVE-2015-0239). 2. MSR_IA32_SYSENTER_CS is checked in 64-bit mode incorrectly (bits 0 and 1 can still be set without causing #GP). 3. MSR_IA32_SYSENTER_EIP and MSR_IA32_SYSENTER_ESP are not masked in legacy-mode. 4. There is some unneeded code. Fix it. Signed-off-by:
Nadav Amit <namit@cs.technion.ac.il> Signed-off-by:
Paolo Bonzini <pbonzini@redhat.com> Signed-off-by:
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- 19 Feb, 2015 17 commits
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Alexandre Demers authored
commit 52045217 upstream. Many users see this message when booting without knowning that it is of no importance and that TSC calibration may have succeeded by another way. As explained by Paul Bolle in http://lkml.kernel.org/r/1348488259.1436.22.camel@x61.thuisdomein "Fast TSC calibration failed" should not be considered as an error since other calibration methods are being tried afterward. At most, those send a warning if they fail (not an error). So let's change the message from error to warning. [ tglx: Make if pr_info. It's really not important at all ] Fixes: c767a54b x86/debug: Add KERN_<LEVEL> to bare printks, convert printks to pr_<level> Signed-off-by:
Alexandre Demers <alexandre.f.demers@gmail.com> Link: http://lkml.kernel.org/r/1418106470-6906-1-git-send-email-alexandre.f.demers@gmail.comSigned-off-by:
Thomas Gleixner <tglx@linutronix.de> Signed-off-by:
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Bryan O'Donoghue authored
commit 38a1dfda upstream. Commit 0dbc6078 ('x86, build, pci: Fix PCI_MSI build on !SMP') introduced the dependency that X86_UP_APIC is only available when PCI_MSI is false. This effectively prevents PCI_MSI support on 32bit UP systems because it disables both APIC and IO-APIC. But APIC support is architecturally required for PCI_MSI. The intention of the patch was to enforce APIC support when PCI_MSI is enabled, but failed to do so. Remove the !PCI_MSI dependency from X86_UP_APIC and enforce X86_UP_APIC when PCI_MSI support is enabled on 32bit UP systems. [ tglx: Massaged changelog ] Fixes 0dbc6078 'x86, build, pci: Fix PCI_MSI build on !SMP' Signed-off-by:
Bryan O'Donoghue <pure.logic@nexus-software.ie> Suggested-by:
Andy Shevchenko <andy.shevchenko@gmail.com> Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Link: http://lkml.kernel.org/r/1421967529-9037-1-git-send-email-pure.logic@nexus-software.ieSigned-off-by:
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Andy Lutomirski authored
commit 3669ef9f upstream. The Witcher 2 did something like this to allocate a TLS segment index: struct user_desc u_info; bzero(&u_info, sizeof(u_info)); u_info.entry_number = (uint32_t)-1; syscall(SYS_set_thread_area, &u_info); Strictly speaking, this code was never correct. It should have set read_exec_only and seg_not_present to 1 to indicate that it wanted to find a free slot without putting anything there, or it should have put something sensible in the TLS slot if it wanted to allocate a TLS entry for real. The actual effect of this code was to allocate a bogus segment that could be used to exploit espfix. The set_thread_area hardening patches changed the behavior, causing set_thread_area to return -EINVAL and crashing the game. This changes set_thread_area to interpret this as a request to find a free slot and to leave it empty, which isn't *quite* what the game expects but should be close enough to keep it working. In particular, using the code above to allocate two segments will allocate the same segment both times. According to FrostbittenKing on Github, this fixes The Witcher 2. If this somehow still causes problems, we could instead allocate a limit==0 32-bit data segment, but that seems rather ugly to me. Fixes: 41bdc785 x86/tls: Validate TLS entries to protect espfix Signed-off-by:
Andy Lutomirski <luto@amacapital.net> Cc: torvalds@linux-foundation.org Link: http://lkml.kernel.org/r/0cb251abe1ff0958b8e468a9a9a905b80ae3a746.1421954363.git.luto@amacapital.netSigned-off-by:
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Andy Lutomirski authored
commit e30ab185 upstream. 32-bit programs don't have an lm bit in their ABI, so they can't reliably cause LDT_empty to return true without resorting to memset. They shouldn't need to do this. This should fix a longstanding, if minor, issue in all 64-bit kernels as well as a potential regression in the TLS hardening code. Fixes: 41bdc785 x86/tls: Validate TLS entries to protect espfix Signed-off-by:
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K. Y. Srinivasan authored
commit 32c6590d upstream. The Hyper-V clocksource is continuous; mark it accordingly. Signed-off-by:
K. Y. Srinivasan <kys@microsoft.com> Acked-by: jasowang@redhat.com Cc: gregkh@linuxfoundation.org Cc: devel@linuxdriverproject.org Cc: olaf@aepfle.de Cc: apw@canonical.com Link: http://lkml.kernel.org/r/1421108762-3331-1-git-send-email-kys@microsoft.comSigned-off-by:
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Kees Cook authored
commit f285f4a2 upstream. On 64-bit, relocation is not required unless the load address gets changed. Without this, relocations do unexpected things when the kernel is above 4G. Reported-by:
Baoquan He <bhe@redhat.com> Signed-off-by:
Kees Cook <keescook@chromium.org> Tested-by:
Thomas D. <whissi@whissi.de> Cc: Vivek Goyal <vgoyal@redhat.com> Cc: Jan Beulich <JBeulich@suse.com> Cc: Junjie Mao <eternal.n08@gmail.com> Cc: Andi Kleen <ak@linux.intel.com> Link: http://lkml.kernel.org/r/20150116005146.GA4212@www.outflux.netSigned-off-by:
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Fabio Estevam authored
commit 7ecd0bde upstream. Currently PWM functionality is broken on mx25 due to the wrong assignment of the PWM "per" clock. According to Documentation/devicetree/bindings/clock/imx25-clock.txt: pwm_ipg_per 52 ,so update the pwm "per" to use 'pwm_ipg_per' instead of 'per10' clock. With this change PWM can work fine on mx25. Reported-by:
Carlos Soto <csotoalonso@gmail.com> Signed-off-by:
Fabio Estevam <fabio.estevam@freescale.com> Signed-off-by:
Shawn Guo <shawn.guo@linaro.org> Signed-off-by:
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Andrew Lunn authored
commit 38bdf45f upstream. On Armada XP, 375 and 38x the MBus window 13 has the remap capability, like windows 0 to 7. However, the mvebu-mbus driver isn't currently taking into account this special case, which means that when window 13 is actually used, the remap registers are left to 0, making the device using this MBus window unavailable. As a minimal fix for stable, don't use window 13. A full fix will follow later. Fixes: fddddb52 ("bus: introduce an Marvell EBU MBus driver") Reviewed-by:
Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by:
Andrew Lunn <andrew@lunn.ch> Signed-off-by:
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David Jeffery authored
commit ce751452 upstream. It is possible for ata_sff_flush_pio_task() to set ap->hsm_task_state to HSM_ST_IDLE in between the time __ata_sff_port_intr() checks for HSM_ST_IDLE and before it calls ata_sff_hsm_move() causing ata_sff_hsm_move() to BUG(). This problem is hard to reproduce making this patch hard to verify, but this fix will prevent the race. I have not been able to reproduce the problem, but here is a crash dump from a 2.6.32 kernel. On examining the ata port's state, its hsm_task_state field has a value of HSM_ST_IDLE: crash> struct ata_port.hsm_task_state ffff881c1121c000 hsm_task_state = 0 Normally, this should not be possible as ata_sff_hsm_move() was called from ata_sff_host_intr(), which checks hsm_task_state and won't call ata_sff_hsm_move() if it has a HSM_ST_IDLE value. PID: 11053 TASK: ffff8816e846cae0 CPU: 0 COMMAND: "sshd" #0 [ffff88008ba03960] machine_kexec at ffffffff81038f3b #1 [ffff88008ba039c0] crash_kexec at ffffffff810c5d92 #2 [ffff88008ba03a90] oops_end at ffffffff8152b510 #3 [ffff88008ba03ac0] die at ffffffff81010e0b #4 [ffff88008ba03af0] do_trap at ffffffff8152ad74 #5 [ffff88008ba03b50] do_invalid_op at ffffffff8100cf95 #6 [ffff88008ba03bf0] invalid_op at ffffffff8100bf9b [exception RIP: ata_sff_hsm_move+317] RIP: ffffffff813a77ad RSP: ffff88008ba03ca0 RFLAGS: 00010097 RAX: 0000000000000000 RBX: ffff881c1121dc60 RCX: 0000000000000000 RDX: ffff881c1121dd10 RSI: ffff881c1121dc60 RDI: ffff881c1121c000 RBP: ffff88008ba03d00 R8: 0000000000000000 R9: 000000000000002e R10: 000000000001003f R11: 000000000000009b R12: ffff881c1121c000 R13: 0000000000000000 R14: 0000000000000050 R15: ffff881c1121dd78 ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0018 #7 [ffff88008ba03d08] ata_sff_host_intr at ffffffff813a7fbd #8 [ffff88008ba03d38] ata_sff_interrupt at ffffffff813a821e #9 [ffff88008ba03d78] handle_IRQ_event at ffffffff810e6ec0 --- <IRQ stack> --- [exception RIP: pipe_poll+48] RIP: ffffffff81192780 RSP: ffff880f26d459b8 RFLAGS: 00000246 RAX: 0000000000000000 RBX: ffff880f26d459c8 RCX: 0000000000000000 RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff881a0539fa80 RBP: ffffffff8100bb8e R8: ffff8803b23324a0 R9: 0000000000000000 R10: ffff880f26d45dd0 R11: 0000000000000008 R12: ffffffff8109b646 R13: ffff880f26d45948 R14: 0000000000000246 R15: 0000000000000246 ORIG_RAX: ffffffffffffff10 CS: 0010 SS: 0018 RIP: 00007f26017435c3 RSP: 00007fffe020c420 RFLAGS: 00000206 RAX: 0000000000000017 RBX: ffffffff8100b072 RCX: 00007fffe020c45c RDX: 00007f2604a3f120 RSI: 00007f2604a3f140 RDI: 000000000000000d RBP: 0000000000000000 R8: 00007fffe020e570 R9: 0101010101010101 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fffe020e5f0 R13: 00007fffe020e5f4 R14: 00007f26045f373c R15: 00007fffe020e5e0 ORIG_RAX: 0000000000000017 CS: 0033 SS: 002b Somewhere between the ata_sff_hsm_move() check and the ata_sff_host_intr() check, the value changed. On examining the other cpus to see what else was running, another cpu was running the error handler routines: PID: 326 TASK: ffff881c11014aa0 CPU: 1 COMMAND: "scsi_eh_1" #0 [ffff88008ba27e90] crash_nmi_callback at ffffffff8102fee6 #1 [ffff88008ba27ea0] notifier_call_chain at ffffffff8152d515 #2 [ffff88008ba27ee0] atomic_notifier_call_chain at ffffffff8152d57a #3 [ffff88008ba27ef0] notify_die at ffffffff810a154e #4 [ffff88008ba27f20] do_nmi at ffffffff8152b1db #5 [ffff88008ba27f50] nmi at ffffffff8152aaa0 [exception RIP: _spin_lock_irqsave+47] RIP: ffffffff8152a1ff RSP: ffff881c11a73aa0 RFLAGS: 00000006 RAX: 0000000000000001 RBX: ffff881c1121deb8 RCX: 0000000000000000 RDX: 0000000000000246 RSI: 0000000000000020 RDI: ffff881c122612d8 RBP: ffff881c11a73aa0 R8: ffff881c17083800 R9: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff881c1121c000 R13: 000000000000001f R14: ffff881c1121dd50 R15: ffff881c1121dc60 ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0000 --- <NMI exception stack> --- #6 [ffff881c11a73aa0] _spin_lock_irqsave at ffffffff8152a1ff #7 [ffff881c11a73aa8] ata_exec_internal_sg at ffffffff81396fb5 #8 [ffff881c11a73b58] ata_exec_internal at ffffffff81397109 #9 [ffff881c11a73bd8] atapi_eh_request_sense at ffffffff813a34eb Before it tried to acquire a spinlock, ata_exec_internal_sg() called ata_sff_flush_pio_task(). This function will set ap->hsm_task_state to HSM_ST_IDLE, and has no locking around setting this value. ata_sff_flush_pio_task() can then race with the interrupt handler and potentially set HSM_ST_IDLE at a fatal moment, which will trigger a kernel BUG. v2: Fixup comment in ata_sff_flush_pio_task() tj: Further updated comment. Use ap->lock instead of shost lock and use the [un]lock_irq variant instead of the irqsave/restore one. Signed-off-by:
David Milburn <dmilburn@redhat.com> Signed-off-by:
Tejun Heo <tj@kernel.org> Signed-off-by:
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Michael Karcher authored
commit 1caf6aaa upstream. Compiling SH with gcc-4.8 fails due to the -m32 option not being supported. From http://buildd.debian-ports.org/status/fetch.php?pkg=linux&arch=sh4&ver=3.16.7-ckt4-1&stamp=1421425783 CC init/main.o gcc-4.8: error: unrecognized command line option '-m32' ld: cannot find init/.tmp_mc_main.o: No such file or directory objcopy: 'init/.tmp_mx_main.o': No such file rm: cannot remove 'init/.tmp_mx_main.o': No such file or directory rm: cannot remove 'init/.tmp_mc_main.o': No such file or directory Link: http://lkml.kernel.org/r/1421537778-29001-1-git-send-email-kernel@mkarcher.dialup.fu-berlin.de Link: http://lkml.kernel.org/r/54BCBDD4.10102@physik.fu-berlin.de Cc: Matt Fleming <matt@console-pimps.org> Reported-by:
John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de> Signed-off-by:
Michael Karcher <kernel@mkarcher.dialup.fu-berlin.de> Signed-off-by:
Steven Rostedt <rostedt@goodmis.org> Signed-off-by:
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Dan Williams authored
commit 72dd299d upstream. Ronny reports: https://bugzilla.kernel.org/show_bug.cgi?id=87101 "Since commit 8a4aeec8 "libata/ahci: accommodate tag ordered controllers" the access to the harddisk on the first SATA-port is failing on its first access. The access to the harddisk on the second port is working normal. When reverting the above commit, access to both harddisks is working fine again." Maintain tag ordered submission as the default, but allow sata_sil24 to continue with the old behavior. Cc: Tejun Heo <tj@kernel.org> Reported-by:
Ronny Hegewald <Ronny.Hegewald@online.de> Signed-off-by:
Dan Williams <dan.j.williams@intel.com> Signed-off-by:
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Brian King authored
commit 6cdb0817 upstream. Fixes a race condition in abort handling that was injected when multiple interrupt support was added. When only a single interrupt is present, the adapter guarantees it will send responses for aborted commands prior to the response for the abort command itself. With multiple interrupts, these responses generally come back on different interrupts, so we need to ensure the abort thread waits until the aborted command is complete so we don't perform a double completion. This race condition was being hit frequently in environments which were triggering command timeouts, which was resulting in a double completion causing a kernel oops. Signed-off-by:
Brian King <brking@linux.vnet.ibm.com> Reviewed-by:
Wendy Xiong <wenxiong@linux.vnet.ibm.com> Tested-by:
Christoph Hellwig <hch@lst.de> Signed-off-by:
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Al Viro authored
commit 378ff1a5 upstream. It really needs to check that src is non-directory *and* use {un,}lock_two_nodirectories(). As it is, it's trivial to cause double-lock (ioctl(fd, CIFS_IOC_COPYCHUNK_FILE, fd)) and if the last argument is an fd of directory, we are asking for trouble by violating the locking order - all directories go before all non-directories. If the last argument is an fd of parent directory, it has 50% odds of locking child before parent, which will cause AB-BA deadlock if we race with unlink(). Signed-off-by:
Al Viro <viro@zeniv.linux.org.uk> Signed-off-by:
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Jason Lee Cragg authored
commit 64559311 upstream. Signed-off-by:
Jason Lee Cragg <jcragg@gmail.com> Signed-off-by:
Takashi Iwai <tiwai@suse.de> Signed-off-by:
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Hans Holmberg authored
commit 7b8792bb upstream. of_get_named_gpiod_flags fails with -EPROBE_DEFER in cases where the gpio chip is available and the GPIO translation fails. This causes drivers to be re-probed erroneusly, and hides the real problem(i.e. the GPIO number being out of range). Signed-off-by:
Hans Holmberg <hans.holmberg@intel.com> Reviewed-by:
Alexandre Courbot <acourbot@nvidia.com> Signed-off-by:
Linus Walleij <linus.walleij@linaro.org> Signed-off-by:
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Johan Hovold authored
commit 0915e6fe upstream. The gpio device attributes were never destroyed when the gpio was unexported (or on export failures). Use device_create_with_groups() to create the default device attributes of the gpio class device. Note that this also fixes the attribute-creation race with userspace for these attributes. Remove contingent attributes in export error path and on unexport. Fixes: d8f388d8 ("gpio: sysfs interface") Signed-off-by:
Johan Hovold <johan@kernel.org> Signed-off-by:
Luis Henriques <luis.henriques@canonical.com> Signed-off-by:
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Johan Hovold authored
commit 121b6a79 upstream. The gpio-chip device attributes were never destroyed when the device was removed. Fix by using device_create_with_groups() to create the device attributes of the chip class device. Note that this also fixes the attribute-creation race with userspace. Fixes: d8f388d8 ("gpio: sysfs interface") Signed-off-by:
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