kmemcheck: use kmemcheck_pte_lookup() instead of open-coding it
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>
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@ -611,7 +611,6 @@ bool kmemcheck_fault(struct pt_regs *regs, unsigned long address,
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unsigned long error_code)
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{
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pte_t *pte;
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unsigned int level;
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/*
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* XXX: Is it safe to assume that memory accesses from virtual 86
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@ -624,13 +623,9 @@ bool kmemcheck_fault(struct pt_regs *regs, unsigned long address,
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if (regs->cs != __KERNEL_CS)
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return false;
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pte = lookup_address(address, &level);
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pte = kmemcheck_pte_lookup(address);
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if (!pte)
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return false;
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if (level != PG_LEVEL_4K)
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return false;
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if (!pte_hidden(*pte))
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return false;
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if (error_code & 2)
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kmemcheck_access(regs, address, KMEMCHECK_WRITE);
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