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tcp: Check errno on sendmmsg() failure, not just the return value

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Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
This commit is contained in:
Stefano Brivio 2021-09-14 16:46:57 +02:00
parent 2c009e8e6f
commit c162f1e801
1 changed files with 1 additions and 1 deletions
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2
tcp.c
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@ -1885,7 +1885,7 @@ recvmmsg:
sendmmsg: sendmmsg:
ret = sendmmsg(c->fd_tap, tcp_l2_mh_tap, mh - tcp_l2_mh_tap, ret = sendmmsg(c->fd_tap, tcp_l2_mh_tap, mh - tcp_l2_mh_tap,
MSG_NOSIGNAL | MSG_DONTWAIT); MSG_NOSIGNAL | MSG_DONTWAIT);
if (ret < 0 && ret == EINTR) if (ret < 0 && errno == EINTR)
goto sendmmsg; goto sendmmsg;
if (ret <= 0) if (ret <= 0)