Commit 5fbfb1f3 authored by Mark Brown's avatar Mark Brown Committed by Andrew Morton
Browse files

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: default avatarMark Brown <broonie@kernel.org>
Acked-by: default avatarDavid Hildenbrand <david@redhat.com>
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
parent be3d3343

tools/testing/selftests/mm/cow.c

+3 −3
Original line number Diff line number Diff line
@@ -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;

	}