summaryrefslogtreecommitdiffstats
path: root/mm
diff options
context:
space:
mode:
authorAlexandre Bounine <alexandre.bounine@idt.com>2012-03-05 14:59:21 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2012-03-05 15:49:43 -0800
commitb24823e61bfd93d0e72088e4f5245287582ed289 (patch)
treebca721d4235a676cd4cfbfc0d467c9bce5b39fc2 /mm
parente6ca7b89dc76abf77c80887fed54e0a60c87c0a8 (diff)
downloadblackbird-op-linux-b24823e61bfd93d0e72088e4f5245287582ed289.tar.gz
blackbird-op-linux-b24823e61bfd93d0e72088e4f5245287582ed289.zip
rapidio/tsi721: fix queue wrapping bug in inbound doorbell handler
Fix a bug that causes a kernel panic when the number of received doorbells is larger than number of entries in the inbound doorbell queue (current default value = 512). Another possible indication for this bug is large number of spurious doorbells reported by tsi721 driver after reaching the queue size maximum. Signed-off-by: Alexandre Bounine <alexandre.bounine@idt.com> Cc: Chul Kim <chul.kim@idt.com> Cc: Matt Porter <mporter@kernel.crashing.org> Cc: <stable@vger.kernel.org> [3.2.x+] Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm')
0 files changed, 0 insertions, 0 deletions
OpenPOWER on IntegriCloud