flow: close socket fd on error2025_05_12.8ec1341

In eea8a76caf85 ("flow: fix podman issue #26073"), we unregister
the fd from epoll_ctl() in case of error, but we also need to close it.

As flowside_sock_l4() also calls sock_l4_sa() via flowside_sock_splice()
we can do it unconditionally.

Fixes: eea8a76caf85 ("flow: fix podman issue #26073")
Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/udp_flow.c b/udp_flow.c
index b3a13b7..4c6b3c2 100644
--- a/udp_flow.c
+++ b/udp_flow.c
@@ -88,8 +88,8 @@ static int udp_flow_sock(const struct ctx *c,
 	if (flowside_connect(c, s, pif, side) < 0) {
 		int rc = -errno;
 
-		if (pif == PIF_HOST)
-			epoll_del(c, s);
+		epoll_del(c, s);
+		close(s);
 
 		flow_dbg_perror(uflow, "Couldn't connect flow socket");
 		return rc;