Check return value and return error/skip the tests.
Fixes: 46fd75d4a3c9 ("selftests: mm: add pagemap ioctl tests")
Signed-off-by: Muhammad Usama Anjum <[email protected]>
---
tools/testing/selftests/mm/pagemap_ioctl.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/tools/testing/selftests/mm/pagemap_ioctl.c
b/tools/testing/selftests/mm/pagemap_ioctl.c
index 2d785aca72a5c..bcc73b4e805c6 100644
--- a/tools/testing/selftests/mm/pagemap_ioctl.c
+++ b/tools/testing/selftests/mm/pagemap_ioctl.c
@@ -1567,8 +1567,10 @@ int main(int argc, char *argv[])
/* 7. File Hugetlb testing */
mem_size = 2*1024*1024;
fd = memfd_create("uffd-test", MFD_HUGETLB | MFD_NOEXEC_SEAL);
+ if (fd < 0)
+ ksft_exit_fail_msg("uffd-test creation failed %d %s\n", errno,
strerror(errno));
mem = mmap(NULL, mem_size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
- if (mem) {
+ if (mem != MAP_FAILED) {
wp_init(mem, mem_size);
wp_addr_range(mem, mem_size);
--
2.39.2
