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[5.9,147/252] selftests/bpf: Fix error return code in run_getsockopt_test()

Message ID 20201123121842.690171345@linuxfoundation.org
State Superseded
Headers show
Series None | expand

Commit Message

Greg KH Nov. 23, 2020, 12:21 p.m. UTC 
From: Wang Hai <wanghai38@huawei.com>

[ 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@huawei.com>
Signed-off-by: Wang Hai <wanghai38@huawei.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20201116101633.64627-1-wanghai38@huawei.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 tools/testing/selftests/bpf/prog_tests/sockopt_multi.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
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Patch

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;
 	}