[PATCHv4 04/10] arm64: Add cast for virt_to_pfn

From: Laura Abbott
Date: Tue Nov 29 2016 - 13:56:21 EST



virt_to_pfn lacks a cast at the top level. Don't rely on __virt_to_phys
and explicitly cast to unsigned long.

Reviewed-by: Mark Rutland <mark.rutland@xxxxxxx>
Tested-by: Mark Rutland <mark.rutland@xxxxxxx>
Signed-off-by: Laura Abbott <labbott@xxxxxxxxxx>
---
v4: No changes
---
arch/arm64/include/asm/memory.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/include/asm/memory.h b/arch/arm64/include/asm/memory.h
index b4d2b32..d773e2c 100644
--- a/arch/arm64/include/asm/memory.h
+++ b/arch/arm64/include/asm/memory.h
@@ -204,7 +204,7 @@ static inline void *phys_to_virt(phys_addr_t x)
#define __pa(x) __virt_to_phys((unsigned long)(x))
#define __va(x) ((void *)__phys_to_virt((phys_addr_t)(x)))
#define pfn_to_kaddr(pfn) __va((pfn) << PAGE_SHIFT)
-#define virt_to_pfn(x) __phys_to_pfn(__virt_to_phys(x))
+#define virt_to_pfn(x) __phys_to_pfn(__virt_to_phys((unsigned long)(x)))

/*
* virt_to_page(k) convert a _valid_ virtual address to struct page *
--
2.7.4