linux-kernel - [PATCH 3.16 293/294] MIPS: Fix a warning for virt_to

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Date:   Mon, 06 Nov 2017 23:03:02 +0000
From:   Ben Hutchings <ben@...adent.org.uk>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
CC:     akpm@...ux-foundation.org, linux-mips@...ux-mips.org,
        "Ralf Baechle" <ralf@...ux-mips.org>,
        "Zubair Lutfullah Kakakhel" <Zubair.Kakakhel@...tec.com>,
        "Arnd Bergmann" <arnd@...db.de>
Subject: [PATCH 3.16 293/294] MIPS: Fix a warning for virt_to_page

3.16.50-rc1 review patch.  If anyone has any objections, please let me know.

------------------

From: Zubair Lutfullah Kakakhel <Zubair.Kakakhel@...tec.com>

commit 4d5b3bdc0ecb0cf5b1e1598eeaaac4b5cb33868d upstream.

Compiling mm/highmem.c gives a warning: passing argument 1 of
'virt_to_phys' makes pointer from integer without a cast

Fixed by casting to void*

Signed-off-by: Zubair Lutfullah Kakakhel <Zubair.Kakakhel@...tec.com>
Cc: linux-mips@...ux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/7337/
Signed-off-by: Ralf Baechle <ralf@...ux-mips.org>
Signed-off-by: Arnd Bergmann <arnd@...db.de>
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
---
 arch/mips/include/asm/page.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- a/arch/mips/include/asm/page.h
+++ b/arch/mips/include/asm/page.h
@@ -223,7 +223,8 @@ static inline int pfn_valid(unsigned lon
 
 #endif
 
-#define virt_to_page(kaddr)	pfn_to_page(PFN_DOWN(virt_to_phys(kaddr)))
+#define virt_to_page(kaddr)	pfn_to_page(PFN_DOWN(virt_to_phys((void *)     \
+								  (kaddr))))
 
 extern int __virt_addr_valid(const volatile void *kaddr);
 #define virt_addr_valid(kaddr)						\