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Message-Id: <20240520185248.1801945-1-usama.anjum@collabora.com>
Date: Mon, 20 May 2024 11:52:48 -0700
From: Muhammad Usama Anjum <usama.anjum@...labora.com>
To: Andrew Morton <akpm@...ux-foundation.org>,
Shuah Khan <shuah@...nel.org>,
Muhammad Usama Anjum <usama.anjum@...labora.com>
Cc: kernel@...labora.com,
linux-mm@...ck.org,
linux-kselftest@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: [PATCH] selftests: mm: check return values
Check return value and return error/skip the tests.
Fixes: 46fd75d4a3c9 ("selftests: mm: add pagemap ioctl tests")
Signed-off-by: Muhammad Usama Anjum <usama.anjum@...labora.com>
---
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
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