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-rw-r--r--tools/testing/selftests/arm64/mte/mte_common_util.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/testing/selftests/arm64/mte/mte_common_util.c b/tools/testing/selftests/arm64/mte/mte_common_util.c
index aa8a8a6b8b6d..040abdca079d 100644
--- a/tools/testing/selftests/arm64/mte/mte_common_util.c
+++ b/tools/testing/selftests/arm64/mte/mte_common_util.c
@@ -284,7 +284,7 @@ int mte_switch_mode(int mte_option, unsigned long incl_mask)
en |= (incl_mask << PR_MTE_TAG_SHIFT);
/* Enable address tagging ABI, mte error reporting mode and tag inclusion mask. */
- if (!prctl(PR_SET_TAGGED_ADDR_CTRL, en, 0, 0, 0) == 0) {
+ if (prctl(PR_SET_TAGGED_ADDR_CTRL, en, 0, 0, 0) != 0) {
ksft_print_msg("FAIL:prctl PR_SET_TAGGED_ADDR_CTRL for mte mode\n");
return -EINVAL;
}