pthread_frame: fix uninitialized variable read

Could lead to random behavior. This possibly happened due to commit
32a5b631267. This should/could probably be simplified, but for no apply
a minimal fix to quell the errors.

Tested-by: Michael Niedermayer <michael@niedermayer.cc>
Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>

diff --git a/libavcodec/pthread_frame.c b/libavcodec/pthread_frame.c
index 6620a8d324462b2d858e5b146242fc9c43676d63..b618be0bf538ed0d013a787dfa9dccc2aff7c1e6 100644 (file)
--- a/libavcodec/pthread_frame.c
+++ b/libavcodec/pthread_frame.c
@@ -468,7 +468,7 @@ int ff_thread_decode_frame(AVCodecContext *avctx,
     FrameThreadContext *fctx = avctx->internal->thread_ctx;
     int finished = fctx->next_finished;
     PerThreadContext *p;
-    int err, ret;
+    int err, ret = 0;
 
     /* release the async lock, permitting blocked hwaccel threads to
      * go forward while we are in this function */