[SPARC64]: Solidify check in cheetah_check_main_memory().



Need to make sure the address is below high_memory before
passing it to kern_addr_valid().

Signed-off-by: David S. Miller <davem@davemloft.net>

parent 10147570

arch/sparc64/kernel/traps.c

+3 −0

Original line number	Original line	Diff line number	Diff line
	@@ -1333,6 +1333,9 @@ static int cheetah_check_main_memory(unsigned long paddr)
	{		{
	unsigned long vaddr = PAGE_OFFSET + paddr;		unsigned long vaddr = PAGE_OFFSET + paddr;

			if (vaddr > high_memory)
			return 0;

	return kern_addr_valid(vaddr);		return kern_addr_valid(vaddr);
	}		}