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| author | Ilya Leoshkevich <iii@linux.ibm.com> | 2019-08-30 13:07:31 +0200 |
|---|---|---|
| committer | Daniel Borkmann <daniel@iogearbox.net> | 2019-09-03 21:01:52 +0200 |
| commit | 416c572821841bef2cbb6346fb559901efff4ff3 (patch) | |
| tree | 569b593d80ac5a6b2f8d9eeed6643c37da53ba5c /tools | |
| parent | 3404ddf234ba4677bf224cb15ddcdea0ceab956e (diff) | |
| download | linux-416c572821841bef2cbb6346fb559901efff4ff3.tar.gz linux-416c572821841bef2cbb6346fb559901efff4ff3.tar.bz2 linux-416c572821841bef2cbb6346fb559901efff4ff3.zip | |
selftests/bpf: improve unexpected success reporting in test_syctl
When tests fail because sysctl() unexpectedly succeeds, they print an
inappropriate "Unexpected failure" message and a random errno. Zero
out errno before calling sysctl() and replace the message with
"Unexpected success".
Fixes: 1f5fa9ab6e2e ("selftests/bpf: Test BPF_CGROUP_SYSCTL")
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/testing/selftests/bpf/test_sysctl.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/tools/testing/selftests/bpf/test_sysctl.c b/tools/testing/selftests/bpf/test_sysctl.c index 908f327839d5..106644f7e73e 100644 --- a/tools/testing/selftests/bpf/test_sysctl.c +++ b/tools/testing/selftests/bpf/test_sysctl.c @@ -1499,6 +1499,7 @@ static int run_test_case(int cgfd, struct sysctl_test *test) goto err; } + errno = 0; if (access_sysctl(sysctl_path, test) == -1) { if (test->result == OP_EPERM && errno == EPERM) goto out; @@ -1507,7 +1508,7 @@ static int run_test_case(int cgfd, struct sysctl_test *test) } if (test->result != SUCCESS) { - log_err("Unexpected failure"); + log_err("Unexpected success"); goto err; } |