From: Wang Hai <wanghai38@xxxxxxxxxx>
[ Upstream commit 2acc3c1bc8e98bc66b1badec42e9ea205b4fcdaa ]
Fix to return a negative error code from the error handling
case instead of 0, as done elsewhere in this function.
Fixes: 65b4414a05eb ("selftests/bpf: add sockopt test that exercises BPF_F_ALLOW_MULTI")
Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
Signed-off-by: Wang Hai <wanghai38@xxxxxxxxxx>
Signed-off-by: Daniel Borkmann <daniel@xxxxxxxxxxxxx>
Link: https://lore.kernel.org/bpf/20201116101633.64627-1-wanghai38@xxxxxxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
tools/testing/selftests/bpf/prog_tests/sockopt_multi.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/tools/testing/selftests/bpf/prog_tests/sockopt_multi.c b/tools/testing/selftests/bpf/prog_tests/sockopt_multi.c
index 29188d6f5c8de..51fac975b3163 100644
--- a/tools/testing/selftests/bpf/prog_tests/sockopt_multi.c
+++ b/tools/testing/selftests/bpf/prog_tests/sockopt_multi.c
@@ -138,7 +138,8 @@ static int run_getsockopt_test(struct bpf_object *obj, int cg_parent,
*/
buf = 0x40;
- if (setsockopt(sock_fd, SOL_IP, IP_TOS, &buf, 1) < 0) {
+ err = setsockopt(sock_fd, SOL_IP, IP_TOS, &buf, 1);
+ if (err < 0) {
log_err("Failed to call setsockopt(IP_TOS)");
goto detach;
}
--
2.27.0
