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[4.14,106/315] samples/bpf: Fix the error return code of xdp_redirects main()

Message ID 20210719144946.359402997@linuxfoundation.org
State New
Headers show
Series None | expand

Commit Message

Greg Kroah-Hartman July 19, 2021, 2:49 p.m. UTC 
From: Wang Hai <wanghai38@huawei.com>

[ Upstream commit 7c6090ee2a7b3315410cfc83a94c3eb057407b25 ]

Fix to return a negative error code from the error handling
case instead of 0, as done elsewhere in this function.

If bpf_map_update_elem() failed, main() should return a negative error.

Fixes: 832622e6bd18 ("xdp: sample program for new bpf_redirect helper")
Signed-off-by: Wang Hai <wanghai38@huawei.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20210616042534.315097-1-wanghai38@huawei.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 samples/bpf/xdp_redirect_user.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/samples/bpf/xdp_redirect_user.c b/samples/bpf/xdp_redirect_user.c
index 4475d837bf2c..bd9fa7a55a30 100644
--- a/samples/bpf/xdp_redirect_user.c
+++ b/samples/bpf/xdp_redirect_user.c
@@ -139,5 +139,5 @@  int main(int argc, char **argv)
 	poll_stats(2, ifindex_out);
 
 out:
-	return 0;
+	return ret;
 }