Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
From:   Linus Walleij <linus.walleij@linaro.org>
Date:   Tue, 23 May 2023 16:05:32 +0200
Subject: [PATCH v3 08/12] arm64: vdso: Pass (void *) to virt_to_page()
MIME-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: 7bit
Message-Id: <20230503-virt-to-pfn-v6-4-rc1-v3-8-a16c19c03583@linaro.org>
References: <20230503-virt-to-pfn-v6-4-rc1-v3-0-a16c19c03583@linaro.org>
In-Reply-To: <20230503-virt-to-pfn-v6-4-rc1-v3-0-a16c19c03583@linaro.org>
To:     Andrew Morton <akpm@linux-foundation.org>,
        Geert Uytterhoeven <geert@linux-m68k.org>,
        Vineet Gupta <vgupta@kernel.org>,
        Catalin Marinas <catalin.marinas@arm.com>,
        Will Deacon <will@kernel.org>, Arnd Bergmann <arnd@arndb.de>,
        Russell King <linux@armlinux.org.uk>,
        Greg Ungerer <gerg@linux-m68k.org>
Cc:     linux-mm@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-m68k@lists.linux-m68k.org,
        linux-snps-arc@lists.infradead.org, linux-fsdevel@vger.kernel.org,
        linux-cifs@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        linux-arch@vger.kernel.org,
        Linus Walleij <linus.walleij@linaro.org>
Precedence: bulk

Like the other calls in this function virt_to_page() expects
a pointer, not an integer.

However since many architectures implement virt_to_pfn() as
a macro, this function becomes polymorphic and accepts both a
(unsigned long) and a (void *).

Fix this up with an explicit cast.

Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
---
 arch/arm64/kernel/vdso.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/kernel/vdso.c b/arch/arm64/kernel/vdso.c
index 0119dc91abb5..d9e1355730ef 100644
--- a/arch/arm64/kernel/vdso.c
+++ b/arch/arm64/kernel/vdso.c
@@ -288,7 +288,7 @@ static int aarch32_alloc_kuser_vdso_page(void)
 
 	memcpy((void *)(vdso_page + 0x1000 - kuser_sz), __kuser_helper_start,
 	       kuser_sz);
-	aarch32_vectors_page = virt_to_page(vdso_page);
+	aarch32_vectors_page = virt_to_page((void *)vdso_page);
 	return 0;
 }
 

-- 
2.34.1