From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id EAAD720F8F for ; Fri, 21 Jul 2023 19:20:49 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6F331C433C7; Fri, 21 Jul 2023 19:20:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1689967249; bh=ul0L52/6cMEK2ZNMovbjDrUno3yOLwL7iucOlLhtfE8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=sa7r3nj8PtYQYTxdgeYCDGeKoUnYShffvKl7xyMEg1agYggdsSUlYZlX6aw/9/8nM Z1i60VrTivRLlmTb9Vd2D2lSPA36ts3GpRyGButzA5x5UVr6SEOd2Ksl0UoxVM6moQ 9bOuUKr2lm/Hodz9CRG7ds1YG5QZuia1TrutcTL0= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Arnd Bergmann , Alexander Potapenko , Andrey Konovalov , Andrey Ryabinin , Dmitry Vyukov , Marco Elver , Vincenzo Frascino , Andrew Morton Subject: [PATCH 6.1 096/223] kasan: add kasan_tag_mismatch prototype Date: Fri, 21 Jul 2023 18:05:49 +0200 Message-ID: <20230721160524.954695577@linuxfoundation.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230721160520.865493356@linuxfoundation.org> References: <20230721160520.865493356@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Arnd Bergmann commit fb646a4cd3f0ff27d19911bef7b6622263723df6 upstream. The kasan sw-tags implementation contains one function that is only called from assembler and has no prototype in a header. This causes a W=1 warning: mm/kasan/sw_tags.c:171:6: warning: no previous prototype for 'kasan_tag_mismatch' [-Wmissing-prototypes] 171 | void kasan_tag_mismatch(unsigned long addr, unsigned long access_info, Add a prototype in the local header to get a clean build. Link: https://lkml.kernel.org/r/20230509145735.9263-1-arnd@kernel.org Signed-off-by: Arnd Bergmann Cc: Alexander Potapenko Cc: Andrey Konovalov Cc: Andrey Ryabinin Cc: Dmitry Vyukov Cc: Marco Elver Cc: Vincenzo Frascino Cc: Signed-off-by: Andrew Morton Signed-off-by: Greg Kroah-Hartman --- mm/kasan/kasan.h | 3 +++ 1 file changed, 3 insertions(+) --- a/mm/kasan/kasan.h +++ b/mm/kasan/kasan.h @@ -629,4 +629,7 @@ void __hwasan_storeN_noabort(unsigned lo void __hwasan_tag_memory(unsigned long addr, u8 tag, unsigned long size); +void kasan_tag_mismatch(unsigned long addr, unsigned long access_info, + unsigned long ret_ip); + #endif /* __MM_KASAN_KASAN_H */