From: Thomas Weißschuh Date: Thu, 21 Aug 2025 15:13:02 +0000 (+0200) Subject: kselftest/arm64/gcs: Correctly check return value when disabling GCS X-Git-Tag: v6.18-rc1~210^2~4^2~9 X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=740cdafd0d998903c1faeee921028a8a78698be5;p=thirdparty%2Flinux.git kselftest/arm64/gcs: Correctly check return value when disabling GCS The return value was not assigned to 'ret', so the check afterwards does not do anything. Fixes: 3d37d4307e0f ("kselftest/arm64: Add very basic GCS test program") Signed-off-by: Thomas Weißschuh Reviewed-by: Mark Brown Signed-off-by: Will Deacon --- diff --git a/tools/testing/selftests/arm64/gcs/basic-gcs.c b/tools/testing/selftests/arm64/gcs/basic-gcs.c index 54f9c888249d7..100d2a983155f 100644 --- a/tools/testing/selftests/arm64/gcs/basic-gcs.c +++ b/tools/testing/selftests/arm64/gcs/basic-gcs.c @@ -410,7 +410,7 @@ int main(void) } /* One last test: disable GCS, we can do this one time */ - my_syscall5(__NR_prctl, PR_SET_SHADOW_STACK_STATUS, 0, 0, 0, 0); + ret = my_syscall5(__NR_prctl, PR_SET_SHADOW_STACK_STATUS, 0, 0, 0, 0); if (ret != 0) ksft_print_msg("Failed to disable GCS: %d\n", ret);