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authorBart Van Assche <bvanassche@acm.org>2013-08-14 17:35:29 +0200
committerRobert Love <robert.w.love@intel.com>2013-09-04 22:16:25 +0200
commitb86788658be425a5454246a954721d9122d2b3d6 (patch)
treec8faadee82cd2149e3af75996b51d4db90072724 /drivers/scsi/libfc/fc_frame.c
parentlibfc: Clarify fc_exch_find() (diff)
downloadlinux-b86788658be425a5454246a954721d9122d2b3d6.tar.xz
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libfc: Fix a race in fc_exch_timer_set_locked()
It is allowed to pass a zero timeout value to fc_seq_exch_abort(). Avoid that this can cause the timeout function to drop the exchange reference before it has been increased by fc_exch_timer_set_locked(). This patch fixes a crash when running FCoE target code with poisoning enabled in the memory allocator. Signed-off-by: Bart Van Assche <bvanassche@acm.org> Cc: Neil Horman <nhorman@tuxdriver.com> Signed-off-by: Robert Love <robert.w.love@intel.com>
Diffstat (limited to 'drivers/scsi/libfc/fc_frame.c')
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