Commit f841ad9c authored by Cyan Yang's avatar Cyan Yang Committed by Andrew Morton
Browse files

selftests/mm/cow: fix the incorrect error handling 

Error handling doesn't check the correct return value.  This patch will
fix it.

Link: https://lkml.kernel.org/r/20250312043840.71799-1-cyan.yang@sifive.com


Fixes: f4b5fd69 ("selftests/vm: anon_cow: THP tests")
Signed-off-by: default avatarCyan Yang <cyan.yang@sifive.com>
Reviewed-by: default avatarDev Jain <dev.jain@arm.com>
Reviewed-by: default avatarMuhammad Usama Anjum <usama.anjum@collabora.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
parent 456620c5

tools/testing/selftests/mm/cow.c

+1 −1
Original line number Diff line number Diff line
@@ -876,7 +876,7 @@ static void do_run_with_thp(test_fn fn, enum thp_run thp_run, size_t thpsize) 
		mremap_size = thpsize / 2;

		mremap_mem = mmap(NULL, mremap_size, PROT_NONE,

				  MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);

		if (mem == MAP_FAILED) {

		if (mremap_mem == MAP_FAILED) {

			ksft_test_result_fail("mmap() failed\n");

			goto munmap;

		}