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am 2a8c49eb: fix an out-of-bounds memory access

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* commit '2a8c49eb5dd51b2e60c9a78bea00870867d91c03':
  fix an out-of-bounds memory access
This commit is contained in:
Mathias Agopian 2012-11-19 14:36:43 -08:00 committed by Android Git Automerger
commit 1d3612f11c
1 changed files with 6 additions and 4 deletions
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4
libs/gui/BufferQueue.cpp
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@ -314,13 +314,15 @@ status_t BufferQueue::dequeueBuffer(int *outBuf, sp<Fence>& outFence,
* the consumer may still have pending reads of the * the consumer may still have pending reads of the
* buffers in flight. * buffers in flight.
*/ */
if (found >= 0) {
bool isOlder = mSlots[i].mFrameNumber < bool isOlder = mSlots[i].mFrameNumber <
mSlots[found].mFrameNumber; mSlots[found].mFrameNumber;
if (found < 0 || isOlder) { if (isOlder) {
found = i; found = i;
} }
} }
} }
}
// clients are not allowed to dequeue more than one buffer // clients are not allowed to dequeue more than one buffer
// if they didn't set a buffer count. // if they didn't set a buffer count.