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| author |   Cristian Marussi <cristian.marussi@arm.com> | 2022-01-26 10:27:21 +0000 |
|---|---|---|
| committer |   Shuah Khan <skhan@linuxfoundation.org> | 2022-01-27 16:30:49 -0700 |
| commit | e051cdf655fa016692008a446a060eff06222bb5 (patch) | |
| tree | 9c815d3d381c2ea7ed1092ee0f583fa61c9602ea /tools/testing/selftests/openat2/helpers.h | |
| parent | selftests: futex: Use variable MAKE instead of make (diff) | |
| download | wireguard-linux-e051cdf655fa016692008a446a060eff06222bb5.tar.xz wireguard-linux-e051cdf655fa016692008a446a060eff06222bb5.zip | |
selftests: openat2: Print also errno in failure messages
In E_func() macro, on error, print also errno in order to aid debugging.
Cc: Aleksa Sarai <cyphar@cyphar.com>
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Diffstat (limited to 'tools/testing/selftests/openat2/helpers.h')
| -rw-r--r-- | tools/testing/selftests/openat2/helpers.h | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/tools/testing/selftests/openat2/helpers.h b/tools/testing/selftests/openat2/helpers.h index a6ea27344db2..ad5d0ba5b6ce 100644 --- a/tools/testing/selftests/openat2/helpers.h +++ b/tools/testing/selftests/openat2/helpers.h @@ -62,11 +62,12 @@ bool needs_openat2(const struct open_how *how); (similar to chroot(2)). */ #endif /* RESOLVE_IN_ROOT */ -#define E_func(func, ...) \ - do { \ - if (func(__VA_ARGS__) < 0) \ - ksft_exit_fail_msg("%s:%d %s failed\n", \ - __FILE__, __LINE__, #func);\ +#define E_func(func, ...) \ + do { \ + errno = 0; \ + if (func(__VA_ARGS__) < 0) \ + ksft_exit_fail_msg("%s:%d %s failed - errno:%d\n", \ + __FILE__, __LINE__, #func, errno); \ } while (0) #define E_asprintf(...) E_func(asprintf, __VA_ARGS__) |