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From:   Linus Walleij <linus.walleij@linaro.org>
Date:   Thu, 11 May 2023 13:59:25 +0200
Subject: [PATCH 08/12] arm64: vdso: Pass (void *) to virt_to_page()
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Message-Id: <20230503-virt-to-pfn-v6-4-rc1-v1-8-6c4698dcf9c8@linaro.org>
References: <20230503-virt-to-pfn-v6-4-rc1-v1-0-6c4698dcf9c8@linaro.org>
In-Reply-To: <20230503-virt-to-pfn-v6-4-rc1-v1-0-6c4698dcf9c8@linaro.org>
To:     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-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, samba-technical@lists.samba.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.

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