From: Andrii Nakryiko <andriin@fb.com>
Date: Wed, 19 Aug 2020 23:14:10 -0700
Subject: selftests/bpf: Fix two minor compilation warnings reported by GCC 4.9
Patch-mainline: v5.10-rc1
Git-commit: 37a6a9e7676381cdf6868d2c013893074a1ee7b6
References: bsc#1177028

GCC 4.9 seems to be more strict in some regards. Fix two minor issue it
reported.

Fixes: 1c1052e0140a ("tools/testing/selftests/bpf: Add self-tests for new helper bpf_get_ns_current_pid_tgid.")
Fixes: 2d7824ffd25c ("selftests: bpf: Add test for sk_assign")
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Yonghong Song <yhs@fb.com>
Link: https://lore.kernel.org/bpf/20200820061411.1755905-3-andriin@fb.com
Acked-by: Gary Lin <glin@suse.com>
---
 tools/testing/selftests/bpf/prog_tests/sk_assign.c         |    3 ++-
 tools/testing/selftests/bpf/test_current_pid_tgid_new_ns.c |    1 +
 2 files changed, 3 insertions(+), 1 deletion(-)

--- a/tools/testing/selftests/bpf/prog_tests/sk_assign.c
+++ b/tools/testing/selftests/bpf/prog_tests/sk_assign.c
@@ -268,6 +268,7 @@ void test_sk_assign(void)
 	int server = -1;
 	int server_map;
 	int self_net;
+	int i;
 
 	self_net = open(NS_SELF, O_RDONLY);
 	if (CHECK_FAIL(self_net < 0)) {
@@ -286,7 +287,7 @@ void test_sk_assign(void)
 		goto cleanup;
 	}
 
-	for (int i = 0; i < ARRAY_SIZE(tests) && !READ_ONCE(stop); i++) {
+	for (i = 0; i < ARRAY_SIZE(tests) && !READ_ONCE(stop); i++) {
 		struct test_sk_cfg *test = &tests[i];
 		const struct sockaddr *addr;
 		const int zero = 0;
--- a/tools/testing/selftests/bpf/test_current_pid_tgid_new_ns.c
+++ b/tools/testing/selftests/bpf/test_current_pid_tgid_new_ns.c
@@ -156,4 +156,5 @@ cleanup:
 			bpf_object__close(obj);
 		}
 	}
+	return 0;
 }