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selftests: openat2: Print also errno in failure messages

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[ Upstream commit e051cdf655 ]

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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Cristian Marussi
2022-01-26 10:27:21 +00:00
committed by Greg Kroah-Hartman
parent bfc84cfd90
commit 74a30666b4
1 changed files with 6 additions and 5 deletions
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11
tools/testing/selftests/openat2/helpers.h
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@@ -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__)