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e50ae572b3
linux/drivers
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David Brownell e50ae572b3 USB: gadget: cdc-acm deadlock fix 
This fixes a deadlock appearing with some USB peripheral drivers
when running CDC ACM gadget code.

The newish (2.6.27) CDC ACM event notification mechanism sends
messages (IN to the host) which are short enough to fit in most
FIFOs.  That means that with some peripheral controller drivers
(evidently not the ones used to verify the notification code!!)
the completion callback can be issued before queue() returns.

The deadlock would come because the completion callback and the
event-issuing code shared a spinlock.  Fix is trivial:  drop
that lock while queueing the message.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-11-13 14:45:06 -08:00
..
accessibility
acpi Merge branch 'ec' into release 2008-11-11 21:17:26 -05:00
amba
ata libata: fix last_reset timestamp handling 2008-11-11 03:01:21 -05:00
atm Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6 2008-10-11 12:39:35 -07:00
auxdisplay
base sysfs: Fix return values for sysdev_store_{ulong,int} 2008-10-29 15:03:49 -07:00
block ub: stub pre_reset and post_reset to fix oops 2008-11-13 14:45:04 -08:00
bluetooth bpa10x: free sk_buff with kfree_skb 2008-10-31 00:40:19 -07:00
cdrom gdrom: Fix compile error 2008-10-28 17:46:02 +09:00
char Fix platform drivers that crash on suspend/resume 2008-11-12 17:17:16 -08:00
clocksource Merge branches 'timers/clocksource', 'timers/hrtimers', 'timers/nohz', 'timers/ntp', 'timers/posixtimers' and 'timers/debug' into v28-timers-for-linus 2008-10-20 13:14:06 +02:00
connector
cpufreq [CPUFREQ] Fix BUG: using smp_processor_id() in preemptible code 2008-10-09 13:52:44 -04:00
cpuidle regression: disable timer peek-ahead for 2.6.28 2008-11-09 16:28:42 -08:00
crypto
dca [4/4] dca: fixup initialization dependency 2008-11-10 15:01:03 -08:00
dio
dma dmaengine: struct device - replace bus_id with dev_name(), dev_set_name() 2008-11-11 13:12:33 -07:00
edac i5000-edac: hold reference to mci kobject 2008-11-12 17:17:16 -08:00
eisa
firewire firewire: struct device - replace bus_id with dev_name(), dev_set_name() 2008-10-31 08:48:25 +01:00
firmware trivial: dmi_scan typo 2008-11-07 08:25:43 -08:00
gpio GPIO: add new Xilinx driver for powerpc 2008-11-12 17:17:16 -08:00
gpu drm/i915: Move legacy breadcrumb out of the reserved status page area 2008-11-11 18:03:28 +10:00
hid V4L/DVB (9337a): HID: Don't allow KWorld radio fm700 be handled by usb hid drivers 2008-11-11 08:09:43 -02:00
hwmon adt7462: new hwmon driver 2008-11-12 17:17:17 -08:00
i2c i2c-s3c2410: Correct use of ! and & 2008-10-30 15:55:47 +01:00
ide ide-gd: re-get capacity on revalidate 2008-11-02 21:40:10 +01:00
idle i7300_idle: Kconfig, show menu only on x86_64 2008-10-28 00:14:47 -04:00
ieee1394 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6 2008-11-06 15:55:34 -08:00
infiniband Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband 2008-11-12 10:56:31 -08:00
input saner FASYNC handling on file close 2008-11-01 09:49:46 -07:00
isdn device create: misc: convert device_create_drvdata to device_create 2008-10-16 09:24:43 -07:00
leds remove unused #include <version.h>'s 2008-11-01 09:50:12 -07:00
lguest
macintosh device create: misc: convert device_create_drvdata to device_create 2008-10-16 09:24:43 -07:00
mca
md md: linear: Fix a division by zero bug for very small arrays. 2008-11-06 19:41:24 +11:00
media V4L/DVB (9516): cx18: Move DVB buffer transfer handling from irq handler to work_queue 2008-11-11 08:11:33 -02:00
memstick [PATCH] switch memstick 2008-10-21 07:48:33 -04:00
message trivial: MPT fusion - remove long dead code 2008-11-07 08:25:43 -08:00
mfd missing dependencies on HAVE_CLK in drivers/mfd 2008-11-01 12:40:38 -07:00
misc c2port: add c2port support for Eurotech Duramar 2150 2008-11-12 17:17:18 -08:00
mmc mmc: struct device - replace bus_id with dev_name(), dev_set_name() 2008-11-08 21:37:46 +01:00
mtd [ARM] cdb89712: avoid namespace clashes with SRAM_ and BOOTROM_ constants 2008-11-13 15:05:03 +00:00
net Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6 2008-11-12 16:41:27 -08:00
nubus nubus: fix mis-indented statement 2008-10-16 11:21:30 -07:00
of OF-device: Don't overwrite numa_node in device registration 2008-10-31 16:12:01 +11:00
oprofile oprofile: fix memory ordering 2008-10-27 19:15:41 +01:00
parisc [PATCH] introduce fmode_t, do annotations 2008-10-21 07:47:06 -04:00
parport Merge git://git.kernel.org/pub/scm/linux/kernel/git/brodo/pcmcia-2.6 2008-10-30 12:52:53 -07:00
pci PCI: ignore bit0 of _OSC return code 2008-11-11 13:33:05 -08:00
pcmcia Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6 2008-10-31 16:18:02 +09:00
pnp drivers: remove duplicated #include 2008-11-04 08:18:19 -08:00
power Merge git://git.infradead.org/battery-2.6 2008-10-20 09:44:30 -07:00
ps3 powerpc/ps3: Fix compile error in ps3-lpm.c 2008-11-05 19:59:08 +11:00
rapidio
regulator regulator: Use menuconfig in Kconfig 2008-11-09 14:49:23 +00:00
rtc rtc: add Dallas DS1390/93/94 RTC chips 2008-11-12 17:17:18 -08:00
s390 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6 2008-10-30 11:46:28 -07:00
sbus drivers: remove duplicated #include 2008-11-04 08:18:19 -08:00
scsi saner FASYNC handling on file close 2008-11-01 09:49:46 -07:00
serial atmel_serial: keep clock off when it's not needed 2008-11-06 15:41:19 -08:00
sh
sn
spi atmel_spi: work-around required for new HW bug in AT91SAM9263 Rev.B SPI controller 2008-11-12 17:17:17 -08:00
ssb SSB: hide empty sub menu 2008-11-10 13:50:17 -08:00
staging Don't ask twice about not including staging drivers 2008-11-09 12:47:04 -08:00
tc
telephony telephony: trivial: fix up email address 2008-11-11 09:30:23 -08:00
thermal
uio saner FASYNC handling on file close 2008-11-01 09:49:46 -07:00
usb USB: gadget: cdc-acm deadlock fix 2008-11-13 14:45:06 -08:00
uwb uwb: wrong sizeof argument in mac address compare 2008-10-20 14:37:53 +01:00
video fbdev: fix fb_compat_ioctl() deadlocks 2008-11-06 15:41:19 -08:00
virtio
w1 hdq: bQ27000 HDQ Slave Interface Driver 2008-11-12 17:17:18 -08:00
watchdog Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc 2008-11-11 09:24:31 -08:00
xen drivers: remove duplicated #include 2008-11-04 08:18:19 -08:00
zorro
Kconfig regulator: Build on non-ARM platforms 2008-10-28 21:47:17 +00:00
Makefile Merge branch 'for-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/dvrabel/uwb 2008-10-26 16:35:46 -07:00