Merge commit '45a1694f'

* commit '45a1694f':
  jpeg2000dec: cleanup properly after decoding errors

Conflicts:
	libavcodec/jpeg2000dec.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>

libavcodec/jpeg2000dec.c

@@ -1288,27 +1288,27 @@ static int jpeg2000_decode_frame(AVCodecContext *avctx, void *data,
         return -1;
     }
     if (ret = jpeg2000_read_main_headers(s))
-        goto fail;
+        goto end;
 
     /* get picture buffer */
     if ((ret = ff_thread_get_buffer(avctx, &frame, 0)) < 0) {
         av_log(avctx, AV_LOG_ERROR, "ff_thread_get_buffer() failed.\n");
-        goto fail;
+        goto end;
     }
     picture->pict_type = AV_PICTURE_TYPE_I;
     picture->key_frame = 1;
 
     if (ret = jpeg2000_read_bitstream_packets(s))
-        goto fail;
+        goto end;
     for (tileno = 0; tileno < s->numXtiles * s->numYtiles; tileno++)
         if (ret = jpeg2000_decode_tile(s, s->tile + tileno, picture))
-            goto fail;
+            goto end;
     jpeg2000_dec_cleanup(s);
 
     *got_frame = 1;
 
     return s->buf - s->buf_start;
-fail:
+end:
     jpeg2000_dec_cleanup(s);
     return ret;
 }