check buffer index is within range before using it (thanks to David B…

…inderman)
ldo · Feb 19, 2014 · 707d186 · 707d186
1 parent 0a67724
commit 707d186
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/mpeg2desc.c b/src/mpeg2desc.c
@@ -673,7 +673,7 @@ static void process_packets
                     else
                       {
                         hdroffs = 0;
-                        while (buf[hdroffs] == 0xff && hdroffs < sizeof(buf))
+                        while (hdroffs < sizeof(buf) && buf[hdroffs] == 0xff)
                             hdroffs++;
                         if ((buf[hdroffs] & 0xC0) == 0x40)
                           {