From: Mark Brown <broonie@kernel.org>
Date: Tue, 10 Jun 2025 14:13:55 +0000 (+0100)
Subject: selftests/mm: convert some cow error reports to ksft_perror()
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5fbfb1f39da0a5cbfe66e9ab67790e607b8f6e58;p=thirdparty%2Fkernel%2Flinux.git

selftests/mm: convert some cow error reports to ksft_perror()

This prints the errno and a string decode of it.

Link: https://lkml.kernel.org/r/20250610-selftest-mm-cow-tweaks-v1-2-43cd7457500f@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
Acked-by: David Hildenbrand <david@redhat.com>
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

diff --git a/tools/testing/selftests/mm/cow.c b/tools/testing/selftests/mm/cow.c
index 0adc0ab142c12..ff80329313e4a 100644
--- a/tools/testing/selftests/mm/cow.c
+++ b/tools/testing/selftests/mm/cow.c
@@ -332,7 +332,7 @@ static void do_test_vmsplice_in_parent(char *mem, size_t size,
 	if (before_fork) {
 		transferred = vmsplice(fds[1], &iov, 1, 0);
 		if (transferred <= 0) {
-			ksft_print_msg("vmsplice() failed\n");
+			ksft_perror("vmsplice() failed\n");
 			log_test_result(KSFT_FAIL);
 			goto close_pipe;
 		}
@@ -562,7 +562,7 @@ static void do_test_iouring(char *mem, size_t size, bool use_fork)
 	while (total < size) {
 		cur = pread(fd, tmp + total, size - total, total);
 		if (cur < 0) {
-			ksft_print_msg("pread() failed\n");
+			ksft_perror("pread() failed\n");
 			log_test_result(KSFT_FAIL);
 			goto quit_child;
 		}
@@ -628,7 +628,7 @@ static void do_test_ro_pin(char *mem, size_t size, enum ro_pin_test test,
 
 	tmp = malloc(size);
 	if (!tmp) {
-		ksft_print_msg("malloc() failed\n");
+		ksft_perror("malloc() failed\n");
 		log_test_result(KSFT_FAIL);
 		return;
 	}