Merge commit '9e0a38d32b36fac7fd73bdb93e820ae0b9e03616' into release/2.4

* commit '9e0a38d32b36fac7fd73bdb93e820ae0b9e03616':
  avs: check ff_set_dimensions return value

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

libavcodec/avs.c

@@ -165,9 +165,8 @@ static av_cold int avs_decode_init(AVCodecContext * avctx)
         return AVERROR(ENOMEM);
 
     avctx->pix_fmt = AV_PIX_FMT_PAL8;
-    ff_set_dimensions(avctx, 318, 198);
 
-    return 0;
+    return ff_set_dimensions(avctx, 318, 198);
 }
 
 static av_cold int avs_decode_end(AVCodecContext *avctx)