avformat/librtmp: check return value of setsockopt

Fixes CID 1396837
8 years ago · 4b2a2969f3
parent 0fbc9bbbbb
commit 4b2a2969f3
1 changed files with 4 additions and 1 deletions
--- a/libavformat/librtmp.c
+++ b/libavformat/librtmp.c
@ -239,7 +239,10 @@ static int rtmp_open(URLContext *s, const char *uri, int flags)
 #if CONFIG_NETWORK
    if (ctx->buffer_size >= 0 && (flags & AVIO_FLAG_WRITE)) {
        int tmp = ctx->buffer_size;
-        setsockopt(r->m_sb.sb_socket, SOL_SOCKET, SO_SNDBUF, &tmp, sizeof(tmp));
+        if (setsockopt(r->m_sb.sb_socket, SOL_SOCKET, SO_SNDBUF, &tmp, sizeof(tmp))) {
+            rc = AVERROR_EXTERNAL;
+            goto fail;
+        }
    }
 #endif