linux-kernel - [PATCH 02/34] ubsan: fix unused variable warning in test module

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Message-Id: <20240403080702.3509288-3-arnd@kernel.org>
Date: Wed,  3 Apr 2024 10:06:20 +0200
From: Arnd Bergmann <arnd@...nel.org>
To: linux-kernel@...r.kernel.org,
	Kees Cook <keescook@...omium.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Cc: Arnd Bergmann <arnd@...db.de>,
	Marco Elver <elver@...gle.com>,
	Andrey Konovalov <andreyknvl@...il.com>,
	Andrey Ryabinin <ryabinin.a.a@...il.com>,
	Justin Stitt <justinstitt@...gle.com>,
	kasan-dev@...glegroups.com,
	linux-hardening@...r.kernel.org
Subject: [PATCH 02/34] ubsan: fix unused variable warning in test module

From: Arnd Bergmann <arnd@...db.de>

This is one of the drivers with an unused variable that is marked 'const'.
Adding a __used annotation here avoids the warning and lets us enable
the option by default:

lib/test_ubsan.c:137:28: error: unused variable 'skip_ubsan_array' [-Werror,-Wunused-const-variable]

Fixes: 4a26f49b7b3d ("ubsan: expand tests and reporting")
Signed-off-by: Arnd Bergmann <arnd@...db.de>
---
 lib/test_ubsan.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/test_ubsan.c b/lib/test_ubsan.c
index 276c12140ee2..c288df9372ed 100644
--- a/lib/test_ubsan.c
+++ b/lib/test_ubsan.c
@@ -134,7 +134,7 @@ static const test_ubsan_fp test_ubsan_array[] = {
 };
 
 /* Excluded because they Oops the module. */
-static const test_ubsan_fp skip_ubsan_array[] = {
+static __used const test_ubsan_fp skip_ubsan_array[] = {
 	test_ubsan_divrem_overflow,
 };
 
-- 
2.39.2