minor simplification

Originally committed as revision 16333 to svn://svn.ffmpeg.org/ffmpeg/trunk
16 years ago · d02ab57a5f
parent 66909bc4f1
commit d02ab57a5f
1 changed files with 2 additions and 2 deletions
--- a/libavcodec/faxcompr.c
+++ b/libavcodec/faxcompr.c
@ -196,11 +196,11 @@ static int decode_group3_2d_line(AVCodecContext *avctx, GetBitContext *gb,
                }
                *runs++ = run + saved_run;
                saved_run = 0;
-                if(pix_left < run){
+                pix_left -= run;
+                if(pix_left < 0){
                    av_log(avctx, AV_LOG_ERROR, "Run went out of bounds\n");
                    return -1;
                }
-                pix_left -= run;
                offs += run;
                mode = !mode;
            }