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-rw-r--r--tools/testing/selftests/openat2/helpers.h12
1 files changed, 7 insertions, 5 deletions
diff --git a/tools/testing/selftests/openat2/helpers.h b/tools/testing/selftests/openat2/helpers.h
index a6ea27344db2..7056340b9339 100644
--- a/tools/testing/selftests/openat2/helpers.h
+++ b/tools/testing/selftests/openat2/helpers.h
@@ -9,6 +9,7 @@
#define _GNU_SOURCE
#include <stdint.h>
+#include <stdbool.h>
#include <errno.h>
#include <linux/types.h>
#include "../kselftest.h"
@@ -62,11 +63,12 @@ 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__)