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sparc64: Fix range check in kern_addr_valid(). 

In commit b2d4383480 ("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>
hifive-unleashed-5.1
David S. Miller 2014-04-29 12:58:03 -07:00
parent 70ffc6ebae
commit ee73887e92
1 changed files with 1 additions and 1 deletions
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2
arch/sparc/include/asm/pgtable_64.h
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@ -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);
}