From cde55124dff54ce2ebc7e6a4e6eb287ffed3a234 Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michael@niedermayer.cc>
Date: Thu, 11 Jul 2024 20:44:45 +0200
Subject: [PATCH] avformat/sapdec: Check ffurl_get_file_handle() for error

Fixes: CID1604506 Overflowed constant

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 3e305a0e703843765d4dd7042092c3a38c0f97af)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
---
 libavformat/sapdec.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/libavformat/sapdec.c b/libavformat/sapdec.c
index eddeddeaea..b7bcbcc6a8 100644
--- a/libavformat/sapdec.c
+++ b/libavformat/sapdec.c
@@ -195,6 +195,9 @@ static int sap_fetch_packet(AVFormatContext *s, AVPacket *pkt)
     struct pollfd p = {fd, POLLIN, 0};
     uint8_t recvbuf[RTP_MAX_PACKET_LENGTH];
 
+    if (fd < 0)
+        return fd;
+
     if (sap->eof)
         return AVERROR_EOF;