- 10 Oct, 2014 33 commits
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Mark authored
Hi, The Ariston Technologies iConnect 025 and iConnect 050 (also known as e.g. iSCSI-50) are SCSI-USB converters which use Shuttle Technology/SCM Microsystems chips. Only the connectors differ; both have the same USB ID. The US_FL_SCM_MULT_TARG quirk is required to use SCSI devices with ID other than 0. I don't have one of these, but based on the other entries for Shuttle/ SCM-based converters this patch is very likely correct. I used 0x0000 and 0x9999 for bcdDeviceMin and bcdDeviceMax because I'm not sure which bcdDevice value the products use. Signed-off-by:
Mark Knibbs <markk@clara.co.uk> Cc: stable <stable@vger.kernel.org> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org> (cherry picked from commit b6a3ed67) Signed-off-by:
Sasha Levin <sasha.levin@oracle.com>
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Mark authored
The Adaptec USBConnect 2000 is another SCSI-USB converter which uses Shuttle Technology/SCM Microsystems chips. The US_FL_SCM_MULT_TARG quirk is required to use SCSI devices with ID other than 0. I don't have a USBConnect 2000, but based on the other entries for Shuttle/ SCM-based converters this patch is very likely correct. I used 0x0000 and 0x9999 for bcdDeviceMin and bcdDeviceMax because I'm not sure which bcdDevice value the product uses. Signed-off-by:
Mark Knibbs <markk@clara.co.uk> Cc: stable <stable@vger.kernel.org> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org> (cherry picked from commit 67d365a5) Signed-off-by:
Sasha Levin <sasha.levin@oracle.com>
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Mark authored
The Iomega Jaz USB Adapter is a SCSI-USB converter cable. The hardware seems to be identical to e.g. the Microtech XpressSCSI, using a Shuttle/ SCM chip set. However its firmware restricts it to only work with Jaz drives. On connecting the cable a message like this appears four times in the log: reset full speed USB device number 4 using uhci_hcd That's non-fatal but the US_FL_SINGLE_LUN quirk fixes it. Signed-off-by:
Mark Knibbs <markk@clara.co.uk> Cc: stable <stable@vger.kernel.org> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org> (cherry picked from commit c66f1c62) Signed-off-by:
Sasha Levin <sasha.levin@oracle.com>
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Alan Stern authored
Commit d24d481b (usb-storage: Modify and export adjust_quirks so that it can be used by uas) added the 'u' flag to the quirks module parameter for usb-storage, but neglected to update the documentation. This patch adds the documentation. Signed-off-by:
Alan Stern <stern@rowland.harvard.edu> Cc: stable <stable@vger.kernel.org> # 3.15+ Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org> (cherry picked from commit b6089f19) Signed-off-by:
Sasha Levin <sasha.levin@oracle.com>
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Joe Lawrence authored
commit c605f3cd upstream. During surprise device hotplug removal tests, it was observed that hub_events may try to call usb_lock_device on a device that has already been freed. Protect the usb_device by taking out a reference (under the hub_event_lock) when hub_events pulls it off the list, returning the reference after hub_events is finished using it. Signed-off-by:
Joe Lawrence <joe.lawrence@stratus.com> Suggested-by: David Bulkow <david.bulkow@stratus.com> for using kref Suggested-by: Alan Stern <stern@rowland.harvard.edu> for placement Acked-by:
Alan Stern <stern@rowland.harvard.edu> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org> (cherry picked from commit 3b16693f)
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Mathias Nyman authored
If xhci initialization fails before the roothub bandwidth domains (xhci->rh_bw[i]) are allocated it will oops when trying to access rh_bw members in xhci_mem_cleanup(). Reported-by:
Manuel Reimer <manuel.reimer@gmx.de> Cc: stable <stable@vger.kernel.org> Signed-off-by:
Mathias Nyman <mathias.nyman@linux.intel.com> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org> (cherry picked from commit c207e7c5) Signed-off-by:
Sasha Levin <sasha.levin@oracle.com>
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Johan Hovold authored
Add device id for NOVITUS Bono E thermal printer. Reported-by:
Emanuel Koczwara <poczta@emanuelkoczwara.pl> Cc: stable <stable@vger.kernel.org> Signed-off-by:
Johan Hovold <johan@kernel.org> (cherry picked from commit ee444609) Signed-off-by:
Sasha Levin <sasha.levin@oracle.com>
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Bjørn Mork authored
This VID:PID is used for some Direct IP devices behaving identical to the already supported 0F3D:68AA devices. Cc: <stable@vger.kernel.org> Reported-by:
Lars Melin <larsm17@gmail.com> Signed-off-by:
Bjørn Mork <bjorn@mork.no> Signed-off-by:
Johan Hovold <johan@kernel.org> (cherry picked from commit 5b3da692) Signed-off-by:
Sasha Levin <sasha.levin@oracle.com>
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Bjørn Mork authored
Sierra Wireless Direct IP devices using the 68A3 product ID can be configured for modes including a CDC ECM class function. The known example uses interface numbers 12 and 13 for the ECM control and data interfaces respectively, consistent with CDC MBIM function interface numbering on other Sierra devices. It seems cleaner to restrict this driver to the ff/ff/ff vendor specific interfaces rather than increasing the already long interface number blacklist. This should be more future proof if Sierra adds more class functions using interface numbers not yet in the blacklist. Cc: <stable@vger.kernel.org> Signed-off-by:
Bjørn Mork <bjorn@mork.no> Signed-off-by:
Johan Hovold <johan@kernel.org> (cherry picked from commit 049255f5) Signed-off-by:
Sasha Levin <sasha.levin@oracle.com>
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Johan Hovold authored
Do not log normal interrupt-urb shutdowns as errors. The option driver has always been logging any nonzero interrupt-urb status as an error, including when the urb is killed during normal operation. Commit 9096f1fb ("USB: usb_wwan: fix potential NULL-deref at resume") moved the interrupt urb submission from port probe and release to open and close, thus potentially increasing the number of these false-positive error messages dramatically. Reported-by:
Ed Butler <ressy66@ausics.net> Tested-by:
Ed Butler <ressy66@ausics.net> Cc: <stable@vger.kernel.org> Signed-off-by:
Johan Hovold <johan@kernel.org> (cherry picked from commit f0e4cba2) Signed-off-by:
Sasha Levin <sasha.levin@oracle.com>
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Johan Hovold authored
Make sure to verify the maximum number of endpoints per type to avoid writing beyond the end of a stack-allocated array. The current usb-serial implementation is limited to eight ports per interface but failed to verify that the number of endpoints of a certain type reported by a device did not exceed this limit. Cc: stable <stable@vger.kernel.org> Signed-off-by:
Johan Hovold <johan@kernel.org> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org> (cherry picked from commit d979e9f9) Signed-off-by:
Sasha Levin <sasha.levin@oracle.com>
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Andrzej Pietrasiewicz authored
f->os_desc_table[0].if_id is zero by default. If the actual id happens to be different then no Feature Descriptors will be returned to the host for this interface, so assign if_id as soon as it is known. Cc: <stable@vger.kernel.org> # v3.16 Acked-by:
Michal Nazarewicz <mina86@mina86.com> Signed-off-by:
Andrzej Pietrasiewicz <andrzej.p@samsung.com> Signed-off-by:
Felipe Balbi <balbi@ti.com> (cherry picked from commit 45465273) Signed-off-by:
Sasha Levin <sasha.levin@oracle.com>
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Alexey Khoroshilov authored
Commit 0244756e ("ufs: sb mutex merge + mutex_destroy") introduces deadlocks in ufs_new_inode() and ufs_free_inode(). Most callers of that functions acqure the mutex by themselves and ufs_{new,free}_inode() do that via lock_ufs(), i.e we have an unavoidable double lock. The patch proposes to resolve the issue by making sure that ufs_{new,free}_inode() are not called with the mutex held. Found by Linux Driver Verification project (linuxtesting.org). Cc: stable@vger.kernel.org # 3.16 Signed-off-by:
Alexey Khoroshilov <khoroshilov@ispras.ru> Signed-off-by:
Al Viro <viro@zeniv.linux.org.uk> (cherry picked from commit 9ef7db7f) Signed-off-by:
Sasha Levin <sasha.levin@oracle.com>
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Max Filippov authored
With SMP and a lot of debug options enabled task_struct::thread gets out of reach of s32i/l32i instructions with base pointing at task_struct, breaking build with the following messages: arch/xtensa/kernel/entry.S: Assembler messages: arch/xtensa/kernel/entry.S:1002: Error: operand 3 of 'l32i.n' has invalid value '1048' arch/xtensa/kernel/entry.S:1831: Error: operand 3 of 's32i.n' has invalid value '1040' arch/xtensa/kernel/entry.S:1832: Error: operand 3 of 's32i.n' has invalid value '1044' Change base to point to task_struct::thread in such cases. Don't use a10 in _switch_to to save/restore prev pointer as a2 is not clobbered. Cc: stable@vger.kernel.org Signed-off-by:
Max Filippov <jcmvbkbc@gmail.com> (cherry picked from commit 52247123) Signed-off-by:
Sasha Levin <sasha.levin@oracle.com>
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Max Filippov authored
This fixes userspace code that builds on other architectures but fails on xtensa due to references to structures that other architectures don't refer to. E.g. this fixes the following issue with python-2.7.8: python-2.7.8/Modules/termios.c:861:25: error: invalid application of 'sizeof' to incomplete type 'struct serial_multiport_struct' {"TIOCSERGETMULTI", TIOCSERGETMULTI}, python-2.7.8/Modules/termios.c:870:25: error: invalid application of 'sizeof' to incomplete type 'struct serial_multiport_struct' {"TIOCSERSETMULTI", TIOCSERSETMULTI}, python-2.7.8/Modules/termios.c:900:24: error: invalid application of 'sizeof' to incomplete type 'struct tty_struct' {"TIOCTTYGSTRUCT", TIOCTTYGSTRUCT}, Cc: stable@vger.kernel.org Signed-off-by:
Max Filippov <jcmvbkbc@gmail.com> (cherry picked from commit f61bf8e7) Signed-off-by:
Sasha Levin <sasha.levin@oracle.com>
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Alex Deucher authored
Vbios connector table lists non-existent VGA port. Bug: https://bugs.freedesktop.org/show_bug.cgi?id=83184Signed-off-by:
Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org (cherry picked from commit 1952f24d) Signed-off-by:
Sasha Levin <sasha.levin@oracle.com>
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Thomas Hellstrom authored
The code waiting for fifo idle was incorrect and could possibly spin forever under certain circumstances. Signed-off-by:
Thomas Hellstrom <thellstrom@vmware.com> Reported-by:
Mark Sheldon <markshel@vmware.com> Reviewed-by:
Jakob Bornecrantz <jakob@vmware.com> Reivewed-by:
Mark Sheldon <markshel@vmware.com> Cc: <stable@vger.kernel.org> (cherry picked from commit f01ea0c3) Signed-off-by:
Sasha Levin <sasha.levin@oracle.com>
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Y.C. Chen authored
Type error and cause AST2000 cannot be detected correctly Signed-off-by:
Y.C. Chen <yc_chen@aspeedtech.com> Reviewed-by:
Egbert Eich <eich@suse.de> Cc: stable@vger.kernel.org Signed-off-by:
Dave Airlie <airlied@redhat.com> (cherry picked from commit 83502a5d) Signed-off-by:
Sasha Levin <sasha.levin@oracle.com>
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Ville Syrjälä authored
The vblank waits in intel_tv_detect_type() are timing out for some reason. This is a regression caused removing seemingly useless vblank waits from the modeset seqeuence in: commit 56ef52ca Author: Ville Syrjälä <ville.syrjala@linux.intel.com> Date: Thu May 8 19:23:15 2014 +0300 drm/i915: Kill vblank waits after pipe enable on gmch platforms So it turns out they weren't all entirely useless. Apparently the pipe has to go through one full frame before we enable the TV port. Add a vblank wait to intel_enable_tv() to make sure that happens. Another approach was attempted by placing the vblank wait just after enabling the port. The theory behind that attempt was that we need to let the port stay enabled for one full frame before disabling it again during load detection. But that didn't work, and we definitely must have the vblank wait before enabling the port. Cc: stable@vger.kernel.org Cc: Alan Bartlett <ajb@elrepo.org> Tested-by:
Alan Bartlett <ajb@elrepo.org> Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=79311Signed-off-by:
Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by:
Daniel Vetter <daniel@ffwll.ch> Signed-off-by:
Jani Nikula <jani.nikula@intel.com> (cherry picked from commit 7a98948f) Signed-off-by:
Sasha Levin <sasha.levin@oracle.com>
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Mathias Krause authored
The __init annotations for the DMI callback functions are wrong as this code can be called even after the module has been initialized, e.g. like this: # echo 1 > /sys/bus/pci/devices/0000:00:02.0/remove # modprobe i915 # echo 1 > /sys/bus/pci/rescan The first command will remove the PCI device from the kernel's device list so the second command won't see it right away. But as it registers a PCI driver it'll see it on the third command. If the system happens to match one of the DMI table entries we'll try to call a function in long released memory and generate an Oops, at best. Fix this by removing the bogus annotation. Modpost should have caught that one but it ignores section reference mismatches from the .rodata section. :/ Fixes: 25e341cf ("drm/i915: quirk away broken OpRegion VBT") Fixes: 8ca4013d ("CHROMIUM: i915: Add DMI override to skip CRT...") Fixes: 425d244c ("drm/i915: ignore LVDS on intel graphics systems...") Signed-off-by:
Mathias Krause <minipli@googlemail.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Duncan Laurie <dlaurie@chromium.org> Cc: Jarod Wilson <jarod@redhat.com> Cc: Rusty Russell <rusty@rustcorp.com.au> # Can modpost be fixed? Cc: stable@vger.kernel.org Signed-off-by:
Jani Nikula <jani.nikula@intel.com> (cherry picked from commit bbe1c274) Signed-off-by:
Sasha Levin <sasha.levin@oracle.com>
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Imre Deak authored
Atm we may retrain the DP link even if the CRTC is inactive through HPD work->intel_dp_check_link_status(). This in turn can lock up the PHY (at least on BYT), since the DP port is disabled. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=81948Signed-off-by:
Imre Deak <imre.deak@intel.com> Reviewed-by:
Ville Syrjälä <ville.syrjala@linux.intel.com> Cc: stable@vger.kernel.org (3.16+) Signed-off-by:
Jani Nikula <jani.nikula@intel.com> (cherry picked from commit 1a125d8a) Signed-off-by:
Sasha Levin <sasha.levin@oracle.com>
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Ville Syrjälä authored
During suspend we turn off the crtcs, but leave the staged config in place so that we can restore the display(s) to their previous state on resume. During resume when we attempt to apply the force pipe A quirk we use the load detect mechanism. That doesn't check whether there was an already staged configuration for the crtc since that's not even possible during normal runtime load detection. But during resume it is possible, and if we just blindly go and overwrite the staged crtc configuration for the load detection we can no longer restore the display to the correct state. Even worse, we don't even clear all the staged connector->encoder->crtc links so we may end up using a cloned setup for the load detection, and after we're done we just clear the links related to the VGA output leaving the links for the other outputs in place. This will eventually result in calling intel_set_mode() with mode==NULL but with valid connector->encoder->crtc links which will result in dereferencing the NULL mode since the code thinks it will have to a modeset. To avoid these problems don't use any crtc with new_enabled==true for load detection. Signed-off-by:
Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by:
Daniel Vetter <daniel.vetter@ffwll.ch> Cc: stable@vger.kernel.org (for 3.16) Signed-off-by:
Jani Nikula <jani.nikula@intel.com> (cherry picked from commit a459249c) Signed-off-by:
Sasha Levin <sasha.levin@oracle.com>
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Jiri Kosina authored
The report passed to us from transport driver could potentially be arbitrarily large, therefore we better sanity-check it so that raw_data that we hold in picolcd_pending structure are always kept within proper bounds. Cc: stable@vger.kernel.org Reported-by:
Steven Vittitoe <scvitti@google.com> Signed-off-by:
Jiri Kosina <jkosina@suse.cz> (cherry picked from commit 844817e4) Signed-off-by:
Sasha Levin <sasha.levin@oracle.com>
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Clemens Ladisch authored
The calculated frame size was wrong because snd_pcm_format_physical_width() actually returns the number of bits, not bytes. Use snd_pcm_format_size() instead, which not only returns bytes, but also simplifies the calculation. Fixes: 8bea869c ("ALSA: PCM midlevel: improve fifo_size handling") Signed-off-by:
Clemens Ladisch <clemens@ladisch.de> Cc: <stable@vger.kernel.org> Signed-off-by:
Takashi Iwai <tiwai@suse.de> (cherry picked from commit a9960e6a) Signed-off-by:
Sasha Levin <sasha.levin@oracle.com>
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Takashi Iwai authored
ALC1150 codec seems to need the COEF- and PLL-setups just like its compatible ALC882 codec. Some machines (e.g. SunMicro X10SAT) show the problem like too low output volumes unless the COEF setup is applied. Reported-and-tested-by:
Dana Goyette <danagoyette@gmail.com> Cc: <stable@vger.kernel.org> Signed-off-by:
Takashi Iwai <tiwai@suse.de> (cherry picked from commit acf08081) Signed-off-by:
Sasha Levin <sasha.levin@oracle.com>
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Will Deacon authored
I'm not sure what I was on when I wrote this, but when iterating over the hardware watchpoint array (hbp_watch_array), our index is off by ARM_MAX_BRP, so we walk off the end of our thread_struct... ... except, a dodgy condition in the loop means that it never executes at all (bp cannot be NULL). This patch fixes the code so that we remove the bp check and use the correct index for accessing the watchpoint structures. Cc: <stable@vger.kernel.org> Signed-off-by:
Will Deacon <will.deacon@arm.com> (cherry picked from commit 27d7ff27) Signed-off-by:
Sasha Levin <sasha.levin@oracle.com>
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Steven Rostedt (Red Hat) authored
In __ftrace_replace_code(), when converting the call to a nop in a function it needs to compare against the "curr" (current) value of the ftrace ops, and not the "new" one. It currently does not affect x86 which is the only arch to do the trampolines with function graph tracer, but when other archs that do depend on this code implement the function graph trampoline, it can crash. Here's an example when ARM uses the trampolines (in the future): ------------[ cut here ]------------ WARNING: CPU: 0 PID: 9 at kernel/trace/ftrace.c:1716 ftrace_bug+0x17c/0x1f4() Modules linked in: omap_rng rng_core ipv6 CPU: 0 PID: 9 Comm: migration/0 Not tainted 3.16.0-test-10959-gf0094b28-dirty #52 [<c02188f4>] (unwind_backtrace) from [<c021343c>] (show_stack+0x20/0x24) [<c021343c>] (show_stack) from [<c095a674>] (dump_stack+0x78/0x94) [<c095a674>] (dump_stack) from [<c02532a0>] (warn_slowpath_common+0x7c/0x9c) [<c02532a0>] (warn_slowpath_common) from [<c02532ec>] (warn_slowpath_null+0x2c/0x34) [<c02532ec>] (warn_slowpath_null) from [<c02cbac4>] (ftrace_bug+0x17c/0x1f4) [<c02cbac4>] (ftrace_bug) from [<c02cc44c>] (ftrace_replace_code+0x80/0x9c) [<c02cc44c>] (ftrace_replace_code) from [<c02cc658>] (ftrace_modify_all_code+0xb8/0x164) [<c02cc658>] (ftrace_modify_all_code) from [<c02cc718>] (__ftrace_modify_code+0x14/0x1c) [<c02cc718>] (__ftrace_modify_code) from [<c02c7244>] (multi_cpu_stop+0xf4/0x134) [<c02c7244>] (multi_cpu_stop) from [<c02c6e90>] (cpu_stopper_thread+0x54/0x130) [<c02c6e90>] (cpu_stopper_thread) from [<c0271cd4>] (smpboot_thread_fn+0x1ac/0x1bc) [<c0271cd4>] (smpboot_thread_fn) from [<c026ddf0>] (kthread+0xe0/0xfc) [<c026ddf0>] (kthread) from [<c020f318>] (ret_from_fork+0x14/0x20) ---[ end trace dc9ce72c5b617d8f ]--- [ 65.047264] ftrace failed to modify [<c0208580>] asm_do_IRQ+0x10/0x1c [ 65.054070] actual: 85:1b:00:eb Fixes: 7413af1f "ftrace: Make get_ftrace_addr() and get_ftrace_addr_old() global" Signed-off-by:
Steven Rostedt <rostedt@goodmis.org> (cherry picked from commit 39b5552c) Signed-off-by:
Sasha Levin <sasha.levin@oracle.com>
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Simon Lindgren authored
There is a race condition in at91_do_twi_xfer when signals arrive. If a signal is recieved while waiting for a transfer to complete wait_for_completion_interruptible_timeout() will return -ERESTARTSYS. This is not handled correctly resulting in interrupts still being enabled and a transfer being in flight when we return. Symptoms include a range of oopses and bus lockups. Oopses can happen when the transfer completes because the interrupt handler will corrupt the stack. If a new transfer is started before the interrupt fires the controller will start a new transfer in the middle of the old one, resulting in confused slaves and a locked bus. To avoid this, use wait_for_completion_io_timeout instead so that we don't have to deal with gracefully shutting down the transfer and disabling the interrupts. Signed-off-by:
Simon Lindgren <simon@aqwary.com> Acked-by:
Ludovic Desroches <ludovic.desroches@atmel.com> Signed-off-by:
Wolfram Sang <wsa@the-dreams.de> Cc: stable@kernel.org (cherry picked from commit 6721f28a) Signed-off-by:
Sasha Levin <sasha.levin@oracle.com>
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Marek Roszko authored
The driver was not bound checking the received length byte to ensure it was within the the buffer size that is allocated for SMBus blocks. This resulted in buffer overflows whenever an invalid length byte was received. It also failed to ensure the length byte was not zero. If it received zero, it would end up in an infinite loop as the at91_twi_read_next_byte function returned immediately without allowing RHR to be read to clear the RXRDY interrupt. Tested agaisnt a SMBus compliant battery. Signed-off-by:
Marek Roszko <mark.roszko@gmail.com> Acked-by:
Ludovic Desroches <ludovic.desroches@atmel.com> Signed-off-by:
Wolfram Sang <wsa@the-dreams.de> Cc: stable@kernel.org (cherry picked from commit 75b81f33) Signed-off-by:
Sasha Levin <sasha.levin@oracle.com>
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Will Deacon authored
Nathan reports that we leak TLS information from the parent context during an exec, as we don't clear the TLS registers when flushing the thread state. This patch updates the flushing code so that we: (1) Unconditionally zero the tpidr_el0 register (since this is fully context switched for native tasks and zeroed for compat tasks) (2) Zero the tp_value state in thread_info before clearing the tpidrr0_el0 register for compat tasks (since this is only writable by the set_tls compat syscall and therefore not fully switched). A missing compiler barrier is also added to the compat set_tls syscall. Cc: <stable@vger.kernel.org> Acked-by:
Nathan Lynch <Nathan_Lynch@mentor.com> Reported-by:
Nathan Lynch <Nathan_Lynch@mentor.com> Signed-off-by:
Will Deacon <will.deacon@arm.com> (cherry picked from commit eb35bdd7) Signed-off-by:
Sasha Levin <sasha.levin@oracle.com>
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James Ralston authored
This patch adds the AHCI mode SATA Device IDs for the Intel 9 Series PCH. Signed-off-by:
James Ralston <james.d.ralston@intel.com> Signed-off-by:
Tejun Heo <tj@kernel.org> Cc: stable@vger.kernel.org (cherry picked from commit 1b071a09) Signed-off-by:
Sasha Levin <sasha.levin@oracle.com>
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Tetsuo Handa authored
We can use "unsigned int" instead of "atomic_t" by updating start_pool variable under _manager->lock. This patch will make it possible to avoid skipping when choosing a pool to shrink in round-robin style, after next patch changes mutex_lock(_manager->lock) to !mutex_trylock(_manager->lork). Signed-off-by:
Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Cc: stable <stable@kernel.org> [3.3+] Signed-off-by:
Dave Airlie <airlied@redhat.com> (cherry picked from commit 46c2df68) Signed-off-by:
Sasha Levin <sasha.levin@oracle.com>
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Tetsuo Handa authored
list_empty(&_manager->pools) being false before taking _manager->lock does not guarantee that _manager->npools != 0 after taking _manager->lock because _manager->npools is updated under _manager->lock. Signed-off-by:
Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Cc: stable <stable@kernel.org> [3.3+] Signed-off-by:
Dave Airlie <airlied@redhat.com> (cherry picked from commit 11e504cc) Signed-off-by:
Sasha Levin <sasha.levin@oracle.com>
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- 26 Sep, 2014 7 commits
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Sasha Levin authored
Signed-off-by:
Sasha Levin <sasha.levin@oracle.com>
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H. Peter Anvin authored
Make espfix64 a hidden Kconfig option. This fixes the x86-64 UML build which had broken due to the non-existence of init_espfix_bsp() in UML: since UML uses its own Kconfig, this option does not appear in the UML build. This also makes it possible to make support for 16-bit segments a configuration option, for the people who want to minimize the size of the kernel. Reported-by:
Ingo Molnar <mingo@kernel.org> Signed-off-by:
H. Peter Anvin <hpa@zytor.com> Cc: Richard Weinberger <richard@nod.at> Link: http://lkml.kernel.org/r/1398816946-3351-1-git-send-email-hpa@linux.intel.com (cherry picked from commit 197725de) Signed-off-by:
Sasha Levin <sasha.levin@oracle.com>
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David S. Miller authored
The assumption was that update_mmu_cache() (and the equivalent for PMDs) would only be called when the PTE being installed will be accessible by the user. This is not true for code paths originating from remove_migration_pte(). There are dire consequences for placing a non-valid PTE into the TSB. The TLB miss frramework assumes thatwhen a TSB entry matches we can just load it into the TLB and return from the TLB miss trap. So if a non-valid PTE is in there, we will deadlock taking the TLB miss over and over, never satisfying the miss. Just exit early from update_mmu_cache() and friends in this situation. Based upon a report and patch from Christopher Alexander Tobias Schulze. Signed-off-by:
David S. Miller <davem@davemloft.net> (cherry picked from commit 18f38132) Signed-off-by:
Sasha Levin <sasha.levin@oracle.com>
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Benjamin Tissoires authored
Commit "HID: logitech: perform bounds checking on device_id early enough" unfortunately leaks some errors to dmesg which are not real ones: - if the report is not a DJ one, then there is not point in checking the device_id - the receiver (index 0) can also receive some notifications which can be safely ignored given the current implementation Move out the test regarding the report_id and also discards printing errors when the receiver got notified. Fixes: ad3e14d7 Cc: stable@vger.kernel.org Reported-and-tested-by:
Markus Trippelsdorf <markus@trippelsdorf.de> Signed-off-by:
Benjamin Tissoires <benjamin.tissoires@redhat.com> Signed-off-by:
Jiri Kosina <jkosina@suse.cz> (cherry picked from commit 5abfe85c) Signed-off-by:
Sasha Levin <sasha.levin@oracle.com>
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Jiri Kosina authored
device_index is a char type and the size of paired_dj_deivces is 7 elements, therefore proper bounds checking has to be applied to device_index before it is used. We are currently performing the bounds checking in logi_dj_recv_add_djhid_device(), which is too late, as malicious device could send REPORT_TYPE_NOTIF_DEVICE_UNPAIRED early enough and trigger the problem in one of the report forwarding functions called from logi_dj_raw_event(). Fix this by performing the check at the earliest possible ocasion in logi_dj_raw_event(). Cc: stable@vger.kernel.org Reported-by:
Ben Hawkes <hawkes@google.com> Reviewed-by:
Benjamin Tissoires <benjamin.tissoires@redhat.com> Signed-off-by:
Jiri Kosina <jkosina@suse.cz> (cherry picked from commit ad3e14d7) Signed-off-by:
Sasha Levin <sasha.levin@oracle.com>
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Mathias Nyman authored
When we manually need to move the TR dequeue pointer we need to set the correct cycle bit as well. Previously we used the trb pointer from the last event received as a base, but this was changed in commit 1f81b6d2 ("usb: xhci: Prefer endpoint context dequeue pointer") to use the dequeue pointer from the endpoint context instead It turns out some Asmedia controllers advance the dequeue pointer stored in the endpoint context past the event triggering TRB, and this messed up the way the cycle bit was calculated. Instead of adding a quirk or complicating the already hard to follow cycle bit code, the whole cycle bit calculation is now simplified and adapted to handle event and endpoint context dequeue pointer differences. Fixes: 1f81b6d2 ("usb: xhci: Prefer endpoint context dequeue pointer") Reported-by:
Maciej Puzio <mx34567@gmail.com> Reported-by:
Evan Langlois <uudruid74@gmail.com> Reviewed-by:
Julius Werner <jwerner@chromium.org> Tested-by:
Maciej Puzio <mx34567@gmail.com> Tested-by:
Evan Langlois <uudruid74@gmail.com> Signed-off-by:
Mathias Nyman <mathias.nyman@linux.intel.com> Cc: stable@vger.kernel.org Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org> (cherry picked from commit 365038d8) Signed-off-by:
Sasha Levin <sasha.levin@oracle.com>
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Aneesh Kumar K.V authored
On ppc64 we support 4K hash pte with 64K page size. That requires us to track the hash pte slot information on a per 4k basis. We do that by storing the slot details in the second half of pte page. The pte bit _PAGE_COMBO is used to indicate whether the second half need to be looked while building real_pte. We need to use read memory barrier while doing that so that load of hidx is not reordered w.r.t _PAGE_COMBO check. On the store side we already do a lwsync in __hash_page_4K CC: <stable@vger.kernel.org> Signed-off-by:
Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Signed-off-by:
Benjamin Herrenschmidt <benh@kernel.crashing.org> (cherry picked from commit 85c1fafd) Signed-off-by:
Sasha Levin <sasha.levin@oracle.com>
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