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kmemcheck: use kmemcheck_pte_lookup() instead of open-coding it

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Lets use kmemcheck_pte_lookup() in kmemcheck_fault() instead of
open-coding it there.

Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Vegard Nossum <vegard.nossum@gmail.com>
This commit is contained in:
Pekka Enberg 2009-02-26 11:53:11 +02:00 committed by Vegard Nossum
parent 6d9609c132
commit f8b4ece2a9
1 changed files with 1 additions and 6 deletions
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7
arch/x86/mm/kmemcheck/kmemcheck.c
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@ -611,7 +611,6 @@ bool kmemcheck_fault(struct pt_regs *regs, unsigned long address,
unsigned long error_code)
{
pte_t *pte;
unsigned int level;
/*
* XXX: Is it safe to assume that memory accesses from virtual 86
@ -624,13 +623,9 @@ bool kmemcheck_fault(struct pt_regs *regs, unsigned long address,
if (regs->cs != __KERNEL_CS)
return false;
pte = lookup_address(address, &level);
pte = kmemcheck_pte_lookup(address);
if (!pte)
return false;
if (level != PG_LEVEL_4K)
return false;
if (!pte_hidden(*pte))
return false;
if (error_code & 2)
kmemcheck_access(regs, address, KMEMCHECK_WRITE);