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mm-video-v4l2: venc: Protect buffer from being freed while accessing

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am: 6ec830ac0c

Change-Id: I2efd77b960bac14cf1b8e043a3935bcad6a253b1
This commit is contained in:
Santhosh Behara 2017-10-10 19:38:00 +00:00 committed by android-build-merger
commit c566cb0e26
1 changed files with 2 additions and 0 deletions
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msm8998/mm-video-v4l2/vidc/venc/src/omx_video_base.cpp
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@ -2747,6 +2747,7 @@ OMX_ERRORTYPE omx_video::use_output_buffer(
return OMX_ErrorBadParameter; return OMX_ErrorBadParameter;
} }
auto_lock l(m_buf_lock);
if (!m_out_mem_ptr) { if (!m_out_mem_ptr) {
output_use_buffer = true; output_use_buffer = true;
int nBufHdrSize = 0; int nBufHdrSize = 0;
@ -3703,6 +3704,7 @@ OMX_ERRORTYPE omx_video::free_buffer(OMX_IN OMX_HANDLETYPE hComp,
nPortIndex, (unsigned int)m_sOutPortDef.nBufferCountActual); nPortIndex, (unsigned int)m_sOutPortDef.nBufferCountActual);
if (nPortIndex < m_sOutPortDef.nBufferCountActual && if (nPortIndex < m_sOutPortDef.nBufferCountActual &&
BITMASK_PRESENT(&m_out_bm_count, nPortIndex)) { BITMASK_PRESENT(&m_out_bm_count, nPortIndex)) {
auto_lock l(m_buf_lock);
// Clear the bit associated with it. // Clear the bit associated with it.
BITMASK_CLEAR(&m_out_bm_count,nPortIndex); BITMASK_CLEAR(&m_out_bm_count,nPortIndex);
m_sOutPortDef.bPopulated = OMX_FALSE; m_sOutPortDef.bPopulated = OMX_FALSE;