From c162f1e80197f4801f89638db741cfe372c4f215 Mon Sep 17 00:00:00 2001
From: Stefano Brivio <sbrivio@redhat.com>
Date: Tue, 14 Sep 2021 16:46:57 +0200
Subject: tcp: Check errno on sendmmsg() failure, not just the return value

Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
---
 tcp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'tcp.c')

diff --git a/tcp.c b/tcp.c
index 68437f2..baf3c08 100644
--- a/tcp.c
+++ b/tcp.c
@@ -1885,7 +1885,7 @@ recvmmsg:
 sendmmsg:
 	ret = sendmmsg(c->fd_tap, tcp_l2_mh_tap, mh - tcp_l2_mh_tap,
 		       MSG_NOSIGNAL | MSG_DONTWAIT);
-	if (ret < 0 && ret == EINTR)
+	if (ret < 0 && errno == EINTR)
 		goto sendmmsg;
 
 	if (ret <= 0)
-- 
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