avformat: Use ffio_read_size where appropriate

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>

1 files changed, 3 insertions, 3 deletions

diff --git a/libavformat/riffdec.c b/libavformat/riffdec.c
index 444b9fc00d..bd32e59837 100644
--- a/libavformat/riffdec.c
+++ b/libavformat/riffdec.c
@@ -32,10 +32,10 @@ int ff_get_guid(AVIOContext *s, ff_asf_guid *g)
 {
     int ret;
     av_assert0(sizeof(*g) == 16); //compiler will optimize this out
-    ret = avio_read(s, *g, sizeof(*g));
-    if (ret < (int)sizeof(*g)) {
+    ret = ffio_read_size(s, *g, sizeof(*g));
+    if (ret < 0) {
         memset(*g, 0, sizeof(*g));
-        return ret < 0 ? ret : AVERROR_INVALIDDATA;
+        return ret;
     }
     return 0;
 }