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selftests/mm: don't compare return values to in cow

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Tweak the coding style for checking for non-zero return values.
While we're at it also remove a now redundant oring of the madvise()
return code.

Link: https://lkml.kernel.org/r/20250610-selftest-mm-cow-tweaks-v1-3-43cd7457500f@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
Suggested-by: David Hildenbrand <david@redhat.com>
Acked-by: David Hildenbrand <david@redhat.com>
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Mark Brown 2025-06-10 15:13:56 +01:00 committed by Andrew Morton
parent 5fbfb1f39d
commit 32dc2d5e3f
1 changed files with 3 additions and 3 deletions
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6
tools/testing/selftests/mm/cow.c
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@ -1613,13 +1613,13 @@ static void run_with_huge_zeropage(non_anon_test_fn fn, const char *desc)
smem = (char *)(((uintptr_t)mmap_smem + pmdsize) & ~(pmdsize - 1));
ret = madvise(mem, pmdsize, MADV_HUGEPAGE);
if (ret != 0) {
if (ret) {
ksft_perror("madvise()");
log_test_result(KSFT_FAIL);
goto munmap;
}
ret |= madvise(smem, pmdsize, MADV_HUGEPAGE);
if (ret != 0) {
ret = madvise(smem, pmdsize, MADV_HUGEPAGE);
if (ret) {
ksft_perror("madvise()");
log_test_result(KSFT_FAIL);
goto munmap;