avutil/hwcontext_vaapi: fix SEGV in vaTerminate when vaInitialize fails
authorAman Gupta <aman@tmm1.net>
Thu, 2 Feb 2017 23:24:33 +0000 (15:24 -0800)
committerMark Thompson <sw@jkqxz.net>
Thu, 2 Feb 2017 23:47:55 +0000 (23:47 +0000)
commit3606602f1137552ea54f2c259eb140c1e3c026d4
treedf5747f10afc76c9f6ee29e9334e6bbfa18a7813
parentad7a3f5294c6fc6cd45dca9ca02fd3e20f53c2c4
avutil/hwcontext_vaapi: fix SEGV in vaTerminate when vaInitialize fails

Program terminated with signal SIGSEGV, Segmentation fault.
  #0  0x0000000000aff8a4 in vaTerminate ()
  #1  0x0000000000ae50ce in vaapi_device_free (ctx=<optimized out>) at libavutil/hwcontext_vaapi.c:882
  #2  0x0000000000ae1f9e in hwdevice_ctx_free (opaque=<optimized out>, data=<optimized out>) at libavutil/hwcontext.c:66
  #3  0x0000000000ad856f in buffer_replace (src=0x0, dst=0x7fffa26ef1b8) at libavutil/buffer.c:119
  #4  av_buffer_unref (buf=buf@entry=0x7fffa26ef1f8) at libavutil/buffer.c:129
  #5  0x0000000000ae299f in av_hwdevice_ctx_create (pdevice_ref=0x170ac50 <hw_device_ctx>, type=type@entry=AV_HWDEVICE_TYPE_VAAPI, device=<optimized out>,
      opts=opts@entry=0x0, flags=flags@entry=0) at libavutil/hwcontext.c:494
  #6  0x0000000000400968 in vaapi_device_init (device=<optimized out>) at ffmpeg_vaapi.c:223

Signed-off-by: Mark Thompson <sw@jkqxz.net>
libavutil/hwcontext_vaapi.c