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selftests/mm/cow: fix the incorrect error handling

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[ Upstream commit f841ad9ca5007167c02de143980c9dc703f90b3d ]

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: f4b5fd6946 ("selftests/vm: anon_cow: THP tests")
Signed-off-by: Cyan Yang <cyan.yang@sifive.com>
Reviewed-by: Dev Jain <dev.jain@arm.com>
Reviewed-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Cyan Yang
2025-03-12 12:38:40 +08:00
committed by Greg Kroah-Hartman
parent eafb4e3a82
commit 0d8ba0ed03
1 changed files with 1 additions and 1 deletions
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tools/testing/selftests/mm/cow.c
+1 -1
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@@ -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;
}