samples/bpf: Fix the error return code of xdp_redirect's main()

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: 832622e6bd ("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
This commit is contained in:
Wang Hai 2021-06-16 12:25:34 +08:00 committed by Andrii Nakryiko
parent 85102ba58b
commit 7c6090ee2a

View File

@ -213,5 +213,5 @@ int main(int argc, char **argv)
poll_stats(2, ifindex_out); poll_stats(2, ifindex_out);
out: out:
return 0; return ret;
} }