stream/lavf: check child_next return value before dereference

2026-10-29 07:06:59 +08:00 · 2026-06-09 11:52:29 +02:00
parent 894c350f83
commit c1c047f8d6
1 changed files with 1 additions and 1 deletions
@@ -126,7 +126,7 @@ static int control(stream_t *s, int cmd, void *arg)
            // This usually yields the URLContext (why does it even exist?),
            // which holds the name of the actual protocol implementation.
            void *child = avio->av_class->child_next(avio, NULL);
-            AVClass *cl = *(AVClass **)child;
+            AVClass *cl = child ? *(AVClass **)child : NULL;
            if (cl && cl->item_name)
                proto = cl->item_name(child);
        }