[PATCH v4 18/55] selftests/mm: uffd-common: use kselftest framework

[Mike Rapoport]

From: "Mike Rapoport (Microsoft)" <rppt@xxxxxxxxxx>

Update err() and errexit() to use ksft_print_msg() and ksft_exit_fail().

This is preparatory change required to update userfaulfd tests to use
kselftest framework.

Signed-off-by: Mike Rapoport (Microsoft) <rppt@xxxxxxxxxx>
---
 tools/testing/selftests/mm/uffd-common.h | 17 ++++++++---------
 1 file changed, 8 insertions(+), 9 deletions(-)

diff --git a/tools/testing/selftests/mm/uffd-common.h b/tools/testing/selftests/mm/uffd-common.h
index 844a85ab31eb..0723843a7626 100644
--- a/tools/testing/selftests/mm/uffd-common.h
+++ b/tools/testing/selftests/mm/uffd-common.h
@@ -40,21 +40,20 @@
 
 #define UFFD_FLAGS	(O_CLOEXEC | O_NONBLOCK | UFFD_USER_MODE_ONLY)
 
-#define _err(fmt, ...)						\
-	do {							\
-		int ret = errno;				\
-		fprintf(stderr, "ERROR: " fmt, ##__VA_ARGS__);	\
-		fprintf(stderr, " (errno=%d, @%s:%d)\n",	\
-			ret, __FILE__, __LINE__);		\
+#define _err(fmt, ...)							\
+	do {								\
+		int ret = errno;					\
+		ksft_print_msg("ERROR: " fmt " (errno=%d, @%s:%d)\n",	\
+			       ##__VA_ARGS__, ret, __FILE__, __LINE__); \
 	} while (0)
 
-#define errexit(exitcode, fmt, ...)		\
+#define errexit(fmt, ...)			\
 	do {					\
 		_err(fmt, ##__VA_ARGS__);	\
-		exit(exitcode);			\
+		ksft_exit_fail();		\
 	} while (0)
 
-#define err(fmt, ...) errexit(1, fmt, ##__VA_ARGS__)
+#define err(fmt, ...) errexit(fmt, ##__VA_ARGS__)
 
 struct uffd_global_test_opts {
 	unsigned long nr_parallel, nr_pages, nr_pages_per_cpu, page_size;
-- 
2.53.0