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authorWang Hai <wanghai38@huawei.com>2021-06-16 07:25:34 +0300
committerAndrii Nakryiko <andrii@kernel.org>2021-06-18 21:11:52 +0300
commit7c6090ee2a7b3315410cfc83a94c3eb057407b25 (patch)
tree2adc5e5f4a6fa1221551e9b85ea445dbdfd51e6e /samples/bpf
parent85102ba58b4125ebad941d7555c3c248b23efd16 (diff)
downloadlinux-7c6090ee2a7b3315410cfc83a94c3eb057407b25.tar.xz
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: 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
Diffstat (limited to 'samples/bpf')
-rw-r--r--samples/bpf/xdp_redirect_user.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/samples/bpf/xdp_redirect_user.c b/samples/bpf/xdp_redirect_user.c
index eb876629109a..93854e135134 100644
--- a/samples/bpf/xdp_redirect_user.c
+++ b/samples/bpf/xdp_redirect_user.c
@@ -213,5 +213,5 @@ int main(int argc, char **argv)
poll_stats(2, ifindex_out);
out:
- return 0;
+ return ret;
}