similar to "kasan: test: fix compatibility with FORTIFY_SOURCE"

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
mariux64 · Jan 28, 2022 · 790a96c · 790a96c
1 parent 56cf096
commit 790a96c
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/lib/test_kasan.c b/lib/test_kasan.c
@@ -1096,6 +1096,8 @@ static void vmalloc_oob(struct kunit *test)
 	v_ptr = vmalloc(size);
 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, v_ptr);
 
+	OPTIMIZER_HIDE_VAR(v_ptr);
+
 	/*
 	 * We have to be careful not to hit the guard page in vmalloc tests.
 	 * The MMU will catch that and crash us.