avformat/pcmdec: Fix NULL + 1

It is undefined behaviour. Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
2021-02-24 02:08:32 +01:00 · 2021-02-24 02:08:32 +01:00 · b9b0c96db7
parent 301ae25e99
commit b9b0c96db7
1 changed files with 2 additions and 1 deletions
--- a/libavformat/pcmdec.c
+++ b/libavformat/pcmdec.c
@ -57,8 +57,9 @@ static int pcm_read_header(AVFormatContext *s)
            len = strlen(mime_type);
            while (options < mime_type + len) {
                options = strstr(options, ";");
-                if (!options++)
+                if (!options)
                    break;
+                options++;
                if (!rate)
                    sscanf(options, " rate=%d",     &rate);
                if (!channels)