[PATCH 5.19 217/717] selftests/xsk: Add missing close() on netns fd

[Greg Kroah-Hartman]

From: Maciej Fijalkowski <maciej.fijalkowski@xxxxxxxxx>

[ Upstream commit 8a7d61bdc2fac2c460a2f32a062f5c6dbd21a764 ]

Commit 1034b03e54ac ("selftests: xsk: Simplify cleanup of ifobjects")
removed close on netns fd, which is not correct, so let us restore it.

Fixes: 1034b03e54ac ("selftests: xsk: Simplify cleanup of ifobjects")
Signed-off-by: Maciej Fijalkowski <maciej.fijalkowski@xxxxxxxxx>
Signed-off-by: Daniel Borkmann <daniel@xxxxxxxxxxxxx>
Acked-by: Magnus Karlsson <magnus.karlsson@xxxxxxxxx>
Link: https://lore.kernel.org/bpf/20220830133905.9945-1-maciej.fijalkowski@xxxxxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 tools/testing/selftests/bpf/xdpxceiver.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tools/testing/selftests/bpf/xdpxceiver.c b/tools/testing/selftests/bpf/xdpxceiver.c
index e5992a6b5e09..92e466310e27 100644
--- a/tools/testing/selftests/bpf/xdpxceiver.c
+++ b/tools/testing/selftests/bpf/xdpxceiver.c
@@ -1589,6 +1589,8 @@ static struct ifobject *ifobject_create(void)
 	if (!ifobj->umem)
 		goto out_umem;
 
+	ifobj->ns_fd = -1;
+
 	return ifobj;
 
 out_umem:
@@ -1600,6 +1602,8 @@ static struct ifobject *ifobject_create(void)
 
 static void ifobject_delete(struct ifobject *ifobj)
 {
+	if (ifobj->ns_fd != -1)
+		close(ifobj->ns_fd);
 	free(ifobj->umem);
 	free(ifobj->xsk_arr);
 	free(ifobj);
-- 
2.35.1