- 20 Feb, 2013 28 commits
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Jaume Delclòs authored
commit 36f318bb upstream. This patch adds detection for the Sweex LW323 USB wireless network card in the rt2x00 driver (just one line in rt2800usb.c). It applies to linux-3.7-rc3. Signed-off-by:
Jaume Delclòs <jaume@delclos.com> Signed-off-by:
John W. Linville <linville@tuxdriver.com> Signed-off-by:
Ben Hutchings <ben@decadent.org.uk>
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Xose Vazquez Perez authored
commit 8f35f787 upstream. put back 0x050d,0x7050 to rt73usb, same usb_id for two chips: K7SF5D7050A ver 2xxx is rt2500 K7SF5D7050B ver 3xxx is rt73 <http://en-us-support.belkin.com/app/answers/detail/a_id/297/kw/K7SF5D7050> Signed-off-by:
Xose Vazquez Perez <xose.vazquez@gmail.com> Signed-off-by:
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Sjur Brændeland authored
commit aded024a upstream. Don't access uninitialized work-queue when removing device. The work queue is initialized only if the device multi-queue. So don't call cancel_work unless this is a multi-queue device. This fixes the following panic: Kernel panic - not syncing: BUG! Call Trace: 62031b28: [<6026085d>] panic+0x16b/0x2d3 62031b30: [<6004ef5e>] flush_work+0x0/0x1d7 62031b60: [<602606f2>] panic+0x0/0x2d3 62031b68: [<600333b0>] memcpy+0x0/0x140 62031b80: [<6002d58a>] unblock_signals+0x0/0x84 62031ba0: [<602609c5>] printk+0x0/0xa0 62031bd8: [<60264e51>] __mutex_unlock_slowpath+0x13d/0x148 62031c10: [<6004ef5e>] flush_work+0x0/0x1d7 62031c18: [<60050234>] try_to_grab_pending+0x0/0x17e 62031c38: [<6004e984>] get_work_gcwq+0x71/0x8f 62031c48: [<60050539>] __cancel_work_timer+0x5b/0x115 62031c78: [<628acc85>] unplug_port+0x0/0x191 [virtio_console] 62031c98: [<6005061c>] cancel_work_sync+0x12/0x14 62031ca8: [<628ace96>] virtcons_remove+0x80/0x15c [virtio_console] 62031ce8: [<628191de>] virtio_dev_remove+0x1e/0x7e [virtio] 62031d08: [<601cf242>] __device_release_driver+0x75/0xe4 62031d28: [<601cf2dd>] device_release_driver+0x2c/0x40 62031d48: [<601ce0dd>] driver_unbind+0x7d/0xc6 62031d88: [<601cd5d9>] drv_attr_store+0x27/0x29 62031d98: [<60115f61>] sysfs_write_file+0x100/0x14d 62031df8: [<600b737d>] vfs_write+0xcb/0x184 62031e08: [<600b58b8>] filp_close+0x88/0x94 62031e38: [<600b7686>] sys_write+0x59/0x88 62031e88: [<6001ced1>] handle_syscall+0x5d/0x80 62031ea8: [<60030a74>] userspace+0x405/0x531 62031f08: [<600d32cc>] sys_dup+0x0/0x5e 62031f28: [<601b11d6>] strcpy+0x0/0x18 62031f38: [<600be46c>] do_execve+0x10/0x12 62031f48: [<600184c7>] run_init_process+0x43/0x45 62031fd8: [<60019a91>] new_thread_handler+0xba/0xbc Signed-off-by:
Sjur Brændeland <sjur.brandeland@stericsson.com> Signed-off-by:
Rusty Russell <rusty@rustcorp.com.au> Signed-off-by:
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Haojian Zhuang authored
commit e7e034e1 upstream. The RTC control register should be enabled in the process of initializing. Without this patch, I failed to enable RTC in Hisilicon Hi3620 SoC. The register mapping section in RTC is always read as zero. So I doubt that ST guys may already enable this register in bootloader. So they won't meet this issue. Signed-off-by:
Haojian Zhuang <haojian.zhuang@linaro.org> Cc: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com> Cc: Linus Walleij <linus.walleij@linaro.org> Cc: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org> [bwh: Backported to 3.2: adjust context] Signed-off-by:
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Jan Luebbe authored
commit 72fca4a4 upstream. Previously the alarm event was not propagated into the RTC subsystem. By adding a call to rtc_update_irq, this fixes a timeout problem with the hwclock utility. Signed-off-by:
Jan Luebbe <jlu@pengutronix.de> Cc: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by:
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Vyacheslav Dubeyko authored
commit a9bae189 upstream. There exists a situation when GC can work in background alone without any other filesystem activity during significant time. The nilfs_clean_segments() method calls nilfs_segctor_construct() that updates superblocks in the case of NILFS_SC_SUPER_ROOT and THE_NILFS_DISCONTINUED flags are set. But when GC is working alone the nilfs_clean_segments() is called with unset THE_NILFS_DISCONTINUED flag. As a result, the update of superblocks doesn't occurred all this time and in the case of SPOR superblocks keep very old values of last super root placement. SYMPTOMS: Trying to mount a NILFS2 volume after SPOR in such environment ends with very long mounting time (it can achieve about several hours in some cases). REPRODUCING PATH: 1. It needs to use external USB HDD, disable automount and doesn't make any additional filesystem activity on the NILFS2 volume. 2. Generate temporary file with size about 100 - 500 GB (for example, dd if=/dev/zero of=<file_name> bs=1073741824 count=200). The size of file defines duration of GC working. 3. Then it needs to delete file. 4. Start GC manually by means of command "nilfs-clean -p 0". When you start GC by means of such way then, at the end, superblocks is updated by once. So, for simulation of SPOR, it needs to wait sometime (15 - 40 minutes) and simply switch off USB HDD manually. 5. Switch on USB HDD again and try to mount NILFS2 volume. As a result, NILFS2 volume will mount during very long time. REPRODUCIBILITY: 100% FIX: This patch adds checking that superblocks need to update and set THE_NILFS_DISCONTINUED flag before nilfs_clean_segments() call. Reported-by:
Sergey Alexandrov <splavgm@gmail.com> Signed-off-by:
Vyacheslav Dubeyko <slava@dubeyko.com> Tested-by:
Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> Tested-by:
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fangxiaozhi authored
commit 200e0d99 upstream. 1. Optimize the match rules with new macro for Huawei USB storage devices, to avoid to load USB storage driver for the modem interface with Huawei devices. 2. Add to support new switch command for new Huawei USB dongles. Signed-off-by:
fangxiaozhi <huananhu@huawei.com> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by:
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fangxiaozhi authored
commit 07c7be3d upstream. 1. Define a new macro for USB storage match rules: matching with Vendor ID and interface descriptors. Signed-off-by:
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Petr Kubánek authored
commit 0ba3b2cc upstream. Add support for Zolix Omni 1509 monochromator custom USB-RS232 converter. Signed-off-by:
Petr Kubánek <petr@kubanek.net> Signed-off-by:
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Bjørn Mork authored
commit d4fa6815 upstream. New device with 3 serial interfaces: If#= 0 Alt= 0 #EPs= 3 Cls=ff(vend) Sub=ff Prot=ff If#= 1 Alt= 0 #EPs= 2 Cls=ff(vend) Sub=ff Prot=ff If#= 2 Alt= 0 #EPs= 2 Cls=ff(vend) Sub=ff Prot=ff If#= 3 Alt= 0 #EPs= 2 Cls=08(stor) Sub=06 Prot=50 Signed-off-by:
Bjørn Mork <bjorn@mork.no> Signed-off-by:
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Sven Killig authored
commit c249f911 upstream. Add PID/VID entries for ELV WS 300 PC II weather station Signed-off-by:
Sven Killig <sven@killig.de> Signed-off-by:
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Alexander Stein authored
commit 2bd3bc4e upstream. According to C_CAN documentation, the reserved bit in IFx_MASK2 register is fixed 1. Signed-off-by:
Alexander Stein <alexander.stein@systec-electronic.com> Signed-off-by:
Marc Kleine-Budde <mkl@pengutronix.de> [bwh: Backported to 3.2: adjust context] Signed-off-by:
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Alex Deucher authored
commit fd5d93a0 upstream. If the requested number of DWs on the ring is larger than the size of the ring itself, return an error. In testing with large VM updates, we've seen crashes when we try and allocate more space on the ring than the total size of the ring without checking. This prevents the crash but for large VM updates or bo moves of very large buffers, we will need to break the transaction down into multiple batches. I have patches to use IBs for the next kernel. Signed-off-by:
Alex Deucher <alexander.deucher@amd.com> [bwh: Backported to 3.2: use rdev->cp.ring_size instead of ring->ring_size] Signed-off-by:
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liu chuansheng authored
commit f2d68cf4 upstream. When kzalloc() failed in radeon_user_framebuffer_create(), need to call object_unreference() to match the object_reference(). Signed-off-by:
liu chuansheng <chuansheng.liu@intel.com> Signed-off-by:
xueminsu <xuemin.su@intel.com> Signed-off-by:
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Johan Hedberg authored
commit 8cf9fa12 upstream. The conn->smp_chan pointer can be NULL if SMP PDUs arrive at unexpected moments. To avoid NULL pointer dereferences the code should be checking for this and disconnect if an unexpected SMP PDU arrives. This patch fixes the issue by adding a check for conn->smp_chan for all other PDUs except pairing request and security request (which are are the first PDUs to come to initialize the SMP context). Signed-off-by:
Johan Hedberg <johan.hedberg@intel.com> Acked-by:
Marcel Holtmann <marcel@holtmann.org> Signed-off-by:
Gustavo Padovan <gustavo.padovan@collabora.co.uk> Signed-off-by:
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Jan Beulich authored
commit 40a1ef95 upstream. For some reason they didn't get replaced so far by their paravirt equivalents, resulting in code to be run with interrupts disabled that doesn't expect so (causing, in the observed case, a BUG_ON() to trigger) when syscall auditing is enabled. David (Cc-ed) came up with an identical fix, so likely this can be taken to count as an ack from him. Reported-by:
Peter Moody <pmoody@google.com> Signed-off-by:
Jan Beulich <jbeulich@suse.com> Cc: David Vrabel <david.vrabel@citrix.com> Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Link: http://lkml.kernel.org/r/5108E01902000078000BA9C5@nat28.tlf.novell.comSigned-off-by:
Ingo Molnar <mingo@kernel.org> Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Cc: David Vrabel <david.vrabel@citrix.com> Tested-by:
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Alan Stern authored
commit 3e619d04 upstream. This patch (as1654) fixes a very old bug in ehci-hcd, connected with scheduling of periodic split transfers. The calculations for full/low-speed bus usage are all carried out after the correction for bit-stuffing has been applied, but the values in the max_tt_usecs array assume it hasn't been. The array should allow for allocation of up to 90% of the bus capacity, which is 900 us, not 780 us. The symptom caused by this bug is that any isochronous transfer to a full-speed device with a maxpacket size larger than about 980 bytes is always rejected with a -ENOSPC error. Signed-off-by:
Alan Stern <stern@rowland.harvard.edu> Signed-off-by:
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Bing Zhao authored
commit 8a7d7cbf upstream. A scan request is split into multiple scan commands queued in scan_pending_q. Each scan command will be sent to firmware and its response is handlded one after another. If any error is detected while parsing IE in command response buffer the remaining data will be ignored and error is returned. We should check if there is any more scan commands pending in the queue before returning error. This ensures that we will call cfg80211_scan_done if this is the last scan command, or send next scan command in scan_pending_q to firmware. Signed-off-by:
Bing Zhao <bzhao@marvell.com> Signed-off-by:
Amitkumar Karwar <akarwar@marvell.com> Signed-off-by:
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Daniele Palmas authored
commit 03eb466f upstream. Add PID and special handling for Telit LE920 Signed-off-by:
Daniele Palmas <dnlplm@gmail.com> Signed-off-by:
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Daniele Palmas authored
commit 78796ae1 upstream. Add VID and PID for Telit Gobi QDL device Signed-off-by:
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Alex Deucher authored
commit 9200ee49 upstream. vbios says external TMDS while the board is actually internal TMDS. fixes: https://bugs.freedesktop.org/show_bug.cgi?id=60037Signed-off-by:
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Larry Finger authored
commit 0a06ad8e upstream. In routine _rtl_rx_pre_process(), skb_dequeue() is called to get an skb; however, the wrong variable name is used in subsequent calls. Reported-by:
Guenter Roeck <linux@roeck-us.net> Signed-off-by:
Larry Finger <Larry.Finger@lwfinger.net> Cc: Guenter Roeck <linux@roeck-us.net> Signed-off-by:
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Shawn Bohrer authored
commit aa7f6730 upstream. When the system has multiple domains do_sched_rt_period_timer() can run on any CPU and may iterate over all rt_rq in cpu_online_mask. This means when balance_runtime() is run for a given rt_rq that rt_rq may be in a different rd than the current processor. Thus if we use smp_processor_id() to get rd in do_balance_runtime() we may borrow runtime from a rt_rq that is not part of our rd. This changes do_balance_runtime to get the rd from the passed in rt_rq ensuring that we borrow runtime only from the correct rd for the given rt_rq. This fixes a BUG at kernel/sched/rt.c:687! in __disable_runtime when we try reclaim runtime lent to other rt_rq but runtime has been lent to a rt_rq in another rd. Signed-off-by:
Shawn Bohrer <sbohrer@rgmadvisors.com> Acked-by:
Steven Rostedt <rostedt@goodmis.org> Acked-by:
Mike Galbraith <bitbucket@online.de> Cc: peterz@infradead.org Link: http://lkml.kernel.org/r/1358186131-29494-1-git-send-email-sbohrer@rgmadvisors.comSigned-off-by:
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David Moore authored
commit 58b2939b upstream. When the xHCI driver is not available, actively switch the ports to EHCI mode since some BIOSes leave them in xHCI mode where they would otherwise appear dead. This was discovered on a Dell Optiplex 7010, but it's possible other systems could be affected. This should be backported to kernels as old as 3.0, that contain the commit 69e848c2 "Intel xhci: Support EHCI/xHCI port switching." Signed-off-by:
David Moore <david.moore@gmail.com> Signed-off-by:
Sarah Sharp <sarah.a.sharp@linux.intel.com> Signed-off-by:
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Alan Stern authored
commit 48c3375c upstream. This patch (as1640) fixes a memory leak in xhci-hcd. The urb_priv data structure isn't always deallocated in the handle_tx_event() routine for non-control transfers. The patch adds a kfree() call so that all paths end up freeing the memory properly. This patch should be backported to kernels as old as 2.6.36, that contain the commit 8e51adcc "USB: xHCI: Introduce urb_priv structure" Signed-off-by:
Martin Mokrejs <mmokrejs@fold.natur.cuni.cz> Signed-off-by:
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Sarah Sharp authored
commit f18f8ed2 upstream. To calculate the TD size for a particular TRB in an isoc TD, we need know the endpoint's max packet size. Isochronous endpoints also encode the number of additional service opportunities in their wMaxPacketSize field. The TD size calculation did not mask off those bits before using the field. This resulted in incorrect TD size information for isochronous TRBs when an URB frame buffer crossed a 64KB boundary. For example: - an isoc endpoint has 2 additional service opportunites and a max packet size of 1020 bytes - a frame transfer buffer contains 3060 bytes - one frame buffer crosses a 64KB boundary, and must be split into one 1276 byte TRB, and one 1784 byte TRB. The TD size is is the number of packets that remain to be transferred for a TD after processing all the max packet sized packets in the current TRB and all previous TRBs. For this TD, the number of packets to be transferred is (3060 / 1020), or 3. The first TRB contains 1276 bytes, which means it contains one full packet, and a 256 byte remainder. After processing all the max packet-sized packets in the first TRB, the host will have 2 packets left to transfer. The old code would calculate the TD size for the first TRB as: total packet count = DIV_ROUND_UP (TD length / endpoint wMaxPacketSize) total packet count - (first TRB length / endpoint wMaxPacketSize) The math should have been: total packet count = DIV_ROUND_UP (3060 / 1020) = 3 3 - (1276 / 1020) = 2 Since the old code didn't mask off the additional service interval bits from the wMaxPacketSize field, the math ended up as total packet count = DIV_ROUND_UP (3060 / 5116) = 1 1 - (1276 / 5116) = 1 Fix this by masking off the number of additional service opportunities in the wMaxPacketSize field. This patch should be backported to stable kernels as old as 3.0, that contain the commit 4da6e6f2 "xhci 1.0: Update TD size field format." It may not apply well to kernels older than 3.2 because of commit 29cc8897 "USB: use usb_endpoint_maxp() instead of le16_to_cpu()". Signed-off-by:
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Sarah Sharp authored
commit 760973d2 upstream. An isochronous TD is comprised of one isochronous TRB chained to zero or more normal TRBs. Only the isoc TRB has the TBC and TLBPC fields. The normal TRBs must set those fields to zeroes. The code was setting the TBC and TLBPC fields for both isoc and normal TRBs. Fix this. This should be backported to stable kernels as old as 3.0, that contain the commit b61d378f " xhci 1.0: Set transfer burst last packet count field." Signed-off-by:
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Ben Hutchings authored
In commit 28c4566d, backport of commit e7d841ca ('drm/i915: Close race between processing unpin task and queueing the flip') I somehow added two calls to intel_mark_page_flip_active() from intel_gen4_queue_flip() and none from intel_gen6_queue_flip(). There should of course be one from each. Reported-by:
Julien Cristau <jcristau@debian.org> Cc: Chris Wilson <chris@chris-wilson.co.uk> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by:
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- 06 Feb, 2013 12 commits
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Ben Hutchings authored
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Alexandre SIMON authored
This patch corrects a buffer overflow in kernels from 3.0 to 3.4 when calling log_prefix() function from call_console_drivers(). This bug existed in previous releases but has been revealed with commit 162a7e75 (2.6.39 => 3.0) that made changes about how to allocate memory for early printk buffer (use of memblock_alloc). It disappears with commit 7ff9554b (3.4 => 3.5) that does a refactoring of printk buffer management. In log_prefix(), the access to "p[0]", "p[1]", "p[2]" or "simple_strtoul(&p[1], &endp, 10)" may cause a buffer overflow as this function is called from call_console_drivers by passing "&LOG_BUF(cur_index)" where the index must be masked to do not exceed the buffer's boundary. The trick is to prepare in call_console_drivers() a buffer with the necessary data (PRI field of syslog message) to be safely evaluated in log_prefix(). This patch can be applied to stable kernel branches 3.0.y, 3.2.y and 3.4.y. Without this patch, one can freeze a server running this loop from shell : $ export DUMMY=`cat /dev/urandom | tr -dc '12345AZERTYUIOPQSDFGHJKLMWXCVBNazertyuiopqsdfghjklmwxcvbn' | head -c255` $ while true do ; echo $DUMMY > /dev/kmsg ; done The "server freeze" depends on where memblock_alloc does allocate printk buffer : if the buffer overflow is inside another kernel allocation the problem may not be revealed, else the server may hangs up. Signed-off-by:
Alexandre SIMON <Alexandre.Simon@univ-lorraine.fr> Signed-off-by:
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Matt Fleming authored
commit 712ba9e9 upstream. efi.runtime_version is erroneously being set to the value of the vendor's firmware revision instead of that of the implemented EFI specification. We can't deduce which EFI functions are available based on the revision of the vendor's firmware since the version scheme is likely to be unique to each vendor. What we really need to know is the revision of the implemented EFI specification, which is available in the EFI System Table header. Cc: Seiji Aguchi <seiji.aguchi@hds.com> Cc: Matthew Garrett <mjg59@srcf.ucam.org> Signed-off-by:
Matt Fleming <matt.fleming@intel.com> Signed-off-by:
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Bart Westgeest authored
commit ac2b41ac upstream. The function usbip_pad_iso never returns anything but 0 (success). Signed-off-by:
Bart Westgeest <bart@elbrys.com> Signed-off-by:
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Takashi Iwai authored
[NOTE: the regression below is found only in 3.2-3.4 stable trees, so there is no upstream commit corresponding to this patch] The recent fix for the race at disconnection of usb-audio devices (upstream commit 978520b7) triggers Oops when a device is unplugged while playing on 3.2 and 3.4 kernels. The culprit is that the shutdown flag check was wrongly added around the urb deactivation code snippet. The urb deactivation code has to be performed even after the device disconnected. Otherwise it remains undead and pokes the wild access in the end. The regression fix is simply reverting the shutdown flag check in that code. Reported-and-tested-by:Chris J Arges <christopherarges@gmail.com> Signed-off-by:
Takashi Iwai <tiwai@suse.de> Signed-off-by:
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Philipp Reisner authored
commit 72585d24 upstream. Without this, iostat frequently sees bogus svctime and >= 100% "utilization". Signed-off-by:
Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by:
Lars Ellenberg <lars.ellenberg@linbit.com> Signed-off-by:
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Stefan Assmann authored
commit 52285b76 upstream. During MSI-X setup the system might run out of vectors. If this happens the already assigned vectors for this NIC should be freed before trying the disable MSI-X. Failing to do so results in the following oops. kernel BUG at drivers/pci/msi.c:341! [...] Call Trace: [<ffffffff8128f39d>] pci_disable_msix+0x3d/0x60 [<ffffffffa037d1ce>] igb_reset_interrupt_capability+0x27/0x5c [igb] [<ffffffffa037d229>] igb_clear_interrupt_scheme+0x26/0x2d [igb] [<ffffffffa0384268>] igb_request_irq+0x73/0x297 [igb] [<ffffffffa0384554>] __igb_open+0xc8/0x223 [igb] [<ffffffffa0384815>] igb_open+0x13/0x15 [igb] [<ffffffff8144592f>] __dev_open+0xbf/0x120 [<ffffffff81443e51>] __dev_change_flags+0xa1/0x180 [<ffffffff81445828>] dev_change_flags+0x28/0x70 [<ffffffff814af537>] devinet_ioctl+0x5b7/0x620 [<ffffffff814b01c8>] inet_ioctl+0x88/0xa0 [<ffffffff8142e8a0>] sock_do_ioctl+0x30/0x70 [<ffffffff8142ecf2>] sock_ioctl+0x72/0x270 [<ffffffff8118062c>] do_vfs_ioctl+0x8c/0x340 [<ffffffff81180981>] sys_ioctl+0xa1/0xb0 [<ffffffff815161a9>] system_call_fastpath+0x16/0x1b Code: 48 89 df e8 1f 40 ed ff 4d 39 e6 49 8b 45 10 75 b6 48 83 c4 18 5b 41 5c 41 5d 41 5e 41 5f c9 c3 48 8b 7b 20 e8 3e 91 db ff eb ae <0f> 0b eb fe 0f 1f 84 00 00 00 00 00 55 48 89 e5 0f 1f 44 00 00 RIP [<ffffffff8128e144>] free_msi_irqs+0x124/0x130 RSP <ffff880037503bd8> Signed-off-by:
Stefan Assmann <sassmann@kpanic.de> Tested-by:
Aaron Brown <aaron.f.brown@intel.com> Signed-off-by:
Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by:
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David Henningsson authored
commit b98ae272 upstream. A patch in the 3.2 kernel caused regression with hotplugging the M-Audio Fast track pro, or sound after suspend. I don't have the device so I haven't done a full analysis, but it seems userspace (both udev and pulseaudio) got confused when a card was created, immediately destroyed, and then created again. However, at least one person in the bug report (martin djfun) reports that this patch resolves the issue for him. It also leaves a message in the log: "snd-usb-audio: probe of 1-1.1:1.1 failed with error -5" which is a bit misleading. It is better than non-working audio, but maybe there's a more elegant solution? BugLink: https://bugs.launchpad.net/bugs/1095315Signed-off-by:
David Henningsson <david.henningsson@canonical.com> Signed-off-by:
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Tom Mingarelli authored
commit ea2447f7 upstream. This patch is to prevent non-USB devices that have RMRRs associated with them from being placed into the SI Domain during init. This fixes the issue where the RMRR info for devices being placed in and out of the SI Domain gets lost. Signed-off-by:
Thomas Mingarelli <thomas.mingarelli@hp.com> Tested-by:
Shuah Khan <shuah.khan@hp.com> Reviewed-by:
Donald Dutile <ddutile@redhat.com> Reviewed-by:
Alex Williamson <alex.williamson@redhat.com> Signed-off-by:
Joerg Roedel <joro@8bytes.org> Signed-off-by:
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Ian Abbott authored
commit c43435d7 upstream. comedi_auto_config() associates a Comedi minor device number with an auto-configured hardware device and comedi_auto_unconfig() disassociates it. Currently, these use the hardware device's private data pointer to point to some allocated storage holding the minor device number. This is a bit of a waste of the hardware device's private data pointer, preventing it from being used for something more useful by the low-level comedi device drivers. For example, it would make more sense if comedi_usb_auto_config() was passed a pointer to the struct usb_interface instead of the struct usb_device, but this cannot be done currently because the low-level comedi drivers already use the private data pointer in the struct usb_interface for something more useful. This patch stops the comedi core hijacking the hardware device's private data pointer. Instead, comedi_auto_config() stores a pointer to the hardware device's struct device in the struct comedi_device_file_info associated with the minor device number, and comedi_auto_unconfig() calls new function comedi_find_board_minor() to recover the minor device number associated with the hardware device. Signed-off-by:
Ian Abbott <abbotti@mev.co.uk> Signed-off-by:
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Daniel Vetter authored
commit 48e85834 upstream. This reverts commit 9756fe38. The bogus lvds output is actually a lvds->hdmi bridge, which we don't really support. But unconditionally disabling it breaks some existing setups. Reported-by:
John Tapsell <johnflux@gmail.com> References: http://permalink.gmane.org/gmane.comp.freedesktop.xorg.drivers.intel/17237Signed-off-by:
Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by:
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Ian Abbott authored
commit 34ffb33e upstream. The 'ni_at_a2150' module links to `cfc_write_to_buffer` in the 'comedi_fc' module, so selecting 'COMEDI_NI_AT_A2150' in the kernel config needs to also select 'COMEDI_FC'. Signed-off-by:
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