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Commit ee73887e authored by David S. Miller's avatar David S. Miller
Browse files

sparc64: Fix range check in kern_addr_valid(). 



In commit b2d43834 ("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: default avatarDavid S. Miller <davem@davemloft.net>
parent 70ffc6eb

arch/sparc/include/asm/pgtable_64.h

+1 −1
Original line number Original line Diff line number Diff line
@@ -916,7 +916,7 @@ static inline bool kern_addr_valid(unsigned long addr) 
{

{

	unsigned long paddr = __pa(addr);

	unsigned long paddr = __pa(addr);





	if ((paddr >> 41UL) != 0UL)

	if ((paddr >> MAX_PHYS_ADDRESS_BITS) != 0UL)

		return false;

		return false;

	return test_bit(paddr >> 22, sparc64_valid_addr_bitmap);

	return test_bit(paddr >> 22, sparc64_valid_addr_bitmap);

}

}