| From | Kamal Mostafa <> | Subject | [PATCH 3.13 022/187] sparc64: Fix range check in kern_addr_valid(). | Date | Mon, 15 Sep 2014 15:07:12 -0700 |
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3.13.11.7 -stable review patch. If anyone has any objections, please let me know.
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From: "David S. Miller" <davem@davemloft.net>
[ Upstream commit ee73887e92a69ae0a5cda21c68ea75a27804c944 ]
In commit b2d438348024b75a1ee8b66b85d77f569a5dfed8 ("sparc64: Make PAGE_OFFSET variable."), the MAX_PHYS_ADDRESS_BITS value was increased (to 47).
This constant reference to '41UL' was missed.
Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Kamal Mostafa <kamal@canonical.com> --- arch/sparc/include/asm/pgtable_64.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/sparc/include/asm/pgtable_64.h b/arch/sparc/include/asm/pgtable_64.h index ac5f708..ff97960 100644 --- a/arch/sparc/include/asm/pgtable_64.h +++ b/arch/sparc/include/asm/pgtable_64.h @@ -916,7 +916,7 @@ static inline bool kern_addr_valid(unsigned long addr) { unsigned long paddr = __pa(addr); - if ((paddr >> 41UL) != 0UL) + if ((paddr >> MAX_PHYS_ADDRESS_BITS) != 0UL) return false; return test_bit(paddr >> 22, sparc64_valid_addr_bitmap); } -- 1.9.1
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