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(parent: 3404ddf) | patch
selftests/bpf: improve unexpected success reporting in test_syctl
authorIlya Leoshkevich <iii@linux.ibm.com>
Fri, 30 Aug 2019 11:07:31 +0000 (13:07 +0200)
committerDaniel Borkmann <daniel@iogearbox.net>
Tue, 3 Sep 2019 19:01:52 +0000 (21:01 +0200)
commit416c572821841bef2cbb6346fb559901efff4ff3
tree569b593d80ac5a6b2f8d9eeed6643c37da53ba5ctree | snapshot
parent3404ddf234ba4677bf224cb15ddcdea0ceab956ecommit | diff
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>
tools/testing/selftests/bpf/test_sysctl.c diff | blob | history
Domain: System / Kernel;