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linux-sg2042/drivers/net/wireless/rtlwifi
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Larry Finger 44eb65cfd8 rtlwifi: Fix oops on unload 
Under some circumstances, a PCI-based driver reports the following OOPs:

Mar 19 08:14:35 kvothe kernel: [ 6584.626011] Oops: 0000 [#1] SMP
--snip--
Mar 19 08:14:35 kvothe kernel: [ 6584.626011] Pid: 19627, comm: rmmod
Not tainted 3.2.9-2.fc16.x86_64 #1 LENOVO 05962RU/05962RU
Mar 19 08:14:35 kvothe kernel: [ 6584.626011] RIP:
0010:[<ffffffffa0418d39>]  [<ffffffffa0418d39>]
rtl92ce_get_desc+0x19/0xd0 [rtl8192ce]
--snip--
Mar 19 08:14:35 kvothe kernel: [ 6584.626011] Process rmmod (pid:
19627, threadinfo ffff880050262000, task ffff8801156d5cc0)
Mar 19 08:14:35 kvothe kernel: [ 6584.626011] Stack:
Mar 19 08:14:35 kvothe kernel: [ 6584.626011]  0000000000000002
ffff8801176c2540 ffff880050263ca8 ffffffffa03348e7
Mar 19 08:14:35 kvothe kernel: [ 6584.626011]  0000000000000282
0000000180150014 ffff880050263fd8 ffff8801176c2810
Mar 19 08:14:35 kvothe kernel: [ 6584.626011]  ffff880050263bc8
ffffffff810550e2 00000000000002c0 ffff8801176c0d40
Mar 19 08:14:35 kvothe kernel: [ 6584.626011] Call Trace:
Mar 19 08:14:35 kvothe kernel: [ 6584.626011]  [<ffffffffa03348e7>]
_rtl_pci_rx_interrupt+0x187/0x650 [rtlwifi]
--snip--
Mar 19 08:14:35 kvothe kernel: [ 6584.626011] Code: ff 09 d0 89 07 48
83 c4 08 5b 5d c3 66 0f 1f 44 00 00 55 48 89 e5 53 48 83 ec 08 66 66
66 66 90 40 84 f6 89 d3 74 13 84 d2 75 57 <8b> 07 48 83 c4 08 5b 5d c1
e8 1f c3 0f 1f 00 84 d2 74 ed 80 fa
Mar 19 08:14:35 kvothe kernel: [ 6584.626011] RIP
[<ffffffffa0418d39>] rtl92ce_get_desc+0x19/0xd0 [rtl8192ce]
Mar 19 08:14:35 kvothe kernel: [ 6584.626011]  RSP <ffff880050263b58>
Mar 19 08:14:35 kvothe kernel: [ 6584.626011] CR2: 00000000000006e0
Mar 19 08:14:35 kvothe kernel: [ 6584.646491] ---[ end trace
8636c766dcfbe0e6 ]---

This oops is due to interrupts not being disabled in this particular path.

Reported-by: Dave Airlie <airlied@gmail.com>
Tested-by: Dave Airlie <airlied@gmail.com>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Stable <stable@vger.kernel.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
 		2012-04-23 14:57:53 -04:00
..
rtl8192c rtlwifi: rtl8192ce: rtl8192cu: rtl8192de: Fix low-gain setting when scanning 2012-03-26 15:07:30 -04:00
rtl8192ce rtlwifi: Remove unused ETH_ADDR_LEN defines 2012-03-19 16:53:09 -04:00
rtl8192cu drivers/net: Remove boolean comparisons to true/false 2012-02-13 00:47:40 -05:00
rtl8192de rtlwifi: rtl8192de: Fix firmware initialization 2012-04-09 15:54:47 -04:00
rtl8192se Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem 2012-03-05 15:05:54 -05:00
Kconfig rtlwifi: Fix breakage in debug functions when built as a module 2012-02-27 14:05:45 -05:00
Makefile rtlwifi: rtl8192de: Modify Kconfig and Makefile routines for new driver 2011-06-27 15:09:38 -04:00
base.c rtlwifi: Fix oops on rate-control failure 2012-04-09 15:54:49 -04:00
base.h rtlwifi: Update copyright dates 2012-01-24 14:08:37 -05:00
cam.c rtlwifi: Move pr_fmt macros to a single location 2012-01-30 15:48:23 -05:00
cam.h rtlwifi: Update copyright dates 2012-01-24 14:08:37 -05:00
core.c rtlwifi: Remove extra debugging message accidentally left in 2012-02-06 14:53:09 -05:00
core.h rtlwifi: Convert to asynchronous firmware load 2012-01-30 15:48:50 -05:00
debug.c rtlwifi: Move pr_fmt macros to a single location 2012-01-30 15:48:23 -05:00
debug.h rtlwifi: Update copyright dates 2012-01-24 14:08:37 -05:00
efuse.c drivers/net: Remove boolean comparisons to true/false 2012-02-13 00:47:40 -05:00
efuse.h rtlwifi: Update copyright dates 2012-01-24 14:08:37 -05:00
pci.c rtlwifi: Fix oops on unload 2012-04-23 14:57:53 -04:00
pci.h rtlwifi: Convert to asynchronous firmware load 2012-01-30 15:48:50 -05:00
ps.c drivers/net: Remove boolean comparisons to true/false 2012-02-13 00:47:40 -05:00
ps.h rtlwifi: Update copyright dates 2012-01-24 14:08:37 -05:00
rc.c rtlwifi: Update copyright dates 2012-01-24 14:08:37 -05:00
rc.h rtlwifi: Update copyright dates 2012-01-24 14:08:37 -05:00
regd.c rtlwifi: Update copyright dates 2012-01-24 14:08:37 -05:00
regd.h rtlwifi: Update copyright dates 2012-01-24 14:08:37 -05:00
usb.c rtlwifi: Preallocate USB read buffers and eliminate kalloc in read routine 2012-04-11 15:01:44 -04:00
usb.h rtlwifi: Move pr_fmt macros to a single location 2012-01-30 15:48:23 -05:00
wifi.h rtlwifi: Preallocate USB read buffers and eliminate kalloc in read routine 2012-04-11 15:01:44 -04:00