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sparc64: Fix range check in kern_addr_valid().
author
David S. Miller
<davem@davemloft.net>
Tue, 29 Apr 2014 19:58:03 +0000
(12:58 -0700)
committer
David S. Miller
<davem@davemloft.net>
Sun, 4 May 2014 05:41:57 +0000
(22:41 -0700)
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>
arch/sparc/include/asm/pgtable_64.h
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diff --git
a/arch/sparc/include/asm/pgtable_64.h
b/arch/sparc/include/asm/pgtable_64.h
index
ac5f708
..
ff97960
100644
(file)
--- 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);
}