Fixes Coverity issue #1492324.
Signed-off-by: Andreas Rheinhardt <andreas.rheinha...@outlook.com>
---
libavformat/dhav.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/libavformat/dhav.c b/libavformat/dhav.c
index 303fb42bed..8e08274e68 100644
--- a/libavformat/dhav.c
+++ b/libavformat/dhav.c
@@ -273,8 +273,11 @@ static int dhav_read_header(AVFormatContext *s)
{
DHAVContext *dhav = s->priv_data;
uint8_t signature[5];
+ int ret = ffio_ensure_seekback(s->pb, 5);
+
+ if (ret < 0)
+ return ret;
- ffio_ensure_seekback(s->pb, 5);
avio_read(s->pb, signature, sizeof(signature));
if (!memcmp(signature, "DAHUA", 5)) {
avio_skip(s->pb, 0x400 - 5);
--
2.40.1
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