From 32dc2d5e3f0de7a62dd85b2ec2be2964449c4796 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Tue, 10 Jun 2025 15:13:56 +0100 Subject: [PATCH] selftests/mm: don't compare return values to in cow 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 Suggested-by: David Hildenbrand Acked-by: David Hildenbrand Cc: Shuah Khan Signed-off-by: Andrew Morton --- tools/testing/selftests/mm/cow.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/tools/testing/selftests/mm/cow.c b/tools/testing/selftests/mm/cow.c index ff80329313e4a..48fcf03aa4cd9 100644 --- a/tools/testing/selftests/mm/cow.c +++ b/tools/testing/selftests/mm/cow.c @@ -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; -- 2.47.2