prevent attempt to call xmlFree if val was not allocated
fixes: 8135
Signed-off-by: vectronic <[email protected]>
---
libavformat/dashdec.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/libavformat/dashdec.c b/libavformat/dashdec.c
index 4f725ba09a..8022ba9afe 100644
--- a/libavformat/dashdec.c
+++ b/libavformat/dashdec.c
@@ -1185,6 +1185,7 @@ static int parse_programinformation(AVFormatContext *s,
xmlNodePtr node)
node = xmlFirstElementChild(node);
while (node) {
+ val = NULL;
if (!av_strcasecmp(node->name, "Title")) {
val = xmlNodeGetContent(node);
if (val) {
@@ -1202,7 +1203,9 @@ static int parse_programinformation(AVFormatContext *s,
xmlNodePtr node)
}
}
node = xmlNextElementSibling(node);
- xmlFree(val);
+ if (val) {
+ xmlFree(val);
+ }
}
return 0;
}
--
2.20.1 (Apple Git-117)
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