From: Muhammad Usama Anjum Date: Mon, 20 May 2024 18:52:48 +0000 (-0700) Subject: selftests: mm: check return values X-Git-Tag: v6.11-rc1~85^2~382 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c66b0a052c6448d05289b82d789304f1361e995d;p=thirdparty%2Fkernel%2Fstable.git selftests: mm: check return values Check return value and return error/skip the tests. Link: https://lkml.kernel.org/r/20240520185248.1801945-1-usama.anjum@collabora.com Fixes: 46fd75d4a3c9 ("selftests: mm: add pagemap ioctl tests") Signed-off-by: Muhammad Usama Anjum Cc: Shuah Khan Signed-off-by: Andrew Morton --- 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);