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 --git a/samples/bpf/xdp_redirect_user.c b/samples/bpf/xdp_redirect_user.c index 5440cd620607..b7bc2a339d77 100644 --- a/samples/bpf/xdp_redirect_user.c +++ b/samples/bpf/xdp_redirect_user.c @@ -216,5 +216,5 @@ int main(int argc, char **argv) poll_stats(2, ifindex_out);
out: - return 0; + return ret; }