avutil/imgutils: Simplify pix_fmt validity check in av_image_get_line…

…size() Found-by: Daemon404 Signed-off-by: Michael Niedermayer <[email protected]>
zhengxj91 · Jun 12, 2015 · ea37df2 · ea37df2
1 parent 2cbadf5
commit ea37df2
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/libavutil/imgutils.c b/libavutil/imgutils.c
@@ -78,7 +78,7 @@ int av_image_get_linesize(enum AVPixelFormat pix_fmt, int width, int plane)
  int max_step [4]; /* max pixel step for each plane */
  int max_step_comp[4]; /* the component for each plane which has the max pixel step */
 
- if ((unsigned)pix_fmt >= AV_PIX_FMT_NB || desc->flags & AV_PIX_FMT_FLAG_HWACCEL)
+ if (!desc || desc->flags & AV_PIX_FMT_FLAG_HWACCEL)
  return AVERROR(EINVAL);
 
  av_image_fill_max_pixsteps(max_step, max_step_comp, desc);