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Date:   Thu,  3 Jan 2019 10:57:17 -0800
From:   Stanislav Fomichev <sdf@...gle.com>
To:     netdev@...r.kernel.org
Cc:     davem@...emloft.net, ast@...nel.org, daniel@...earbox.net,
        Stanislav Fomichev <sdf@...gle.com>
Subject: [PATCH bpf] selftests/bpf: fix incorrect users of create_and_get_cgroup

create_and_get_cgroup returns 0 on error, fix the users that assume
negative value in case of an error.

Signed-off-by: Stanislav Fomichev <sdf@...gle.com>
---
 tools/testing/selftests/bpf/get_cgroup_id_user.c | 2 +-
 tools/testing/selftests/bpf/test_sockmap.c       | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/testing/selftests/bpf/get_cgroup_id_user.c b/tools/testing/selftests/bpf/get_cgroup_id_user.c
index e8da7b39158d..dfaa9b353ac3 100644
--- a/tools/testing/selftests/bpf/get_cgroup_id_user.c
+++ b/tools/testing/selftests/bpf/get_cgroup_id_user.c
@@ -64,7 +64,7 @@ int main(int argc, char **argv)
 		return 1;
 
 	cgroup_fd = create_and_get_cgroup(TEST_CGROUP);
-	if (CHECK(cgroup_fd < 0, "create_and_get_cgroup", "err %d errno %d\n",
+	if (CHECK(!cgroup_fd, "create_and_get_cgroup", "err %d errno %d\n",
 		  cgroup_fd, errno))
 		goto cleanup_cgroup_env;
 
diff --git a/tools/testing/selftests/bpf/test_sockmap.c b/tools/testing/selftests/bpf/test_sockmap.c
index e85a771f607b..2384896e8112 100644
--- a/tools/testing/selftests/bpf/test_sockmap.c
+++ b/tools/testing/selftests/bpf/test_sockmap.c
@@ -1676,7 +1676,7 @@ static int __test_suite(int cg_fd, char *bpf_file)
 		}
 
 		cg_fd = create_and_get_cgroup(CG_PATH);
-		if (cg_fd < 0) {
+		if (!cg_fd) {
 			fprintf(stderr,
 				"ERROR: (%i) open cg path failed: %s\n",
 				cg_fd, optarg);
-- 
2.20.1.415.g653613c723-goog

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