lavc: factorize ff_{thread_,re,}get_buffer error messages.

Coccinelle profile used:

  @@
  expression r, ctx, f, loglevel, str, flags;
  @@

  -if ((r = ff_get_buffer(ctx, f, flags)) < 0) {
  -    av_log(ctx, loglevel, str);
  -    return r;
  -}
  +if ((r = ff_get_buffer(ctx, f, flags)) < 0)
  +    return r;

  @@
  expression r, ctx, f, loglevel, str;
  @@

  -if ((r = ff_reget_buffer(ctx, f)) < 0) {
  -    av_log(ctx, loglevel, str);
  -    return r;
  -}
  +if ((r = ff_reget_buffer(ctx, f)) < 0)
  +    return r;

  @@
  expression r, ctx, f, loglevel, str, flags;
  @@

  -if ((r = ff_thread_get_buffer(ctx, f, flags)) < 0) {
  -    av_log(ctx, loglevel, str);
  -    return r;
  -}
  +if ((r = ff_thread_get_buffer(ctx, f, flags)) < 0)
  +    return r;

...along with some manual patches for the remaining ones.

1 files changed, 1 insertions, 3 deletions

diff --git a/libavcodec/exr.c b/libavcodec/exr.c
index 9b93e3fb13..4e7c19ce1b 100644
--- a/libavcodec/exr.c
+++ b/libavcodec/exr.c
@@ -755,10 +755,8 @@ static int decode_frame(AVCodecContext *avctx,
         memset(s->thread_data + prev_size, 0, s->thread_data_size - prev_size);
     }
 
-    if ((ret = ff_thread_get_buffer(avctx, &frame, 0)) < 0) {
-        av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
+    if ((ret = ff_thread_get_buffer(avctx, &frame, 0)) < 0)
         return ret;
-    }
 
     if (buf_end - buf < scan_line_blocks * 8)
         return AVERROR_INVALIDDATA;