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x86: cpa: fix loop 

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Ingo Molnar 2008-01-30 13:34:07 +01:00
parent a72a08a4b6
commit 4692a1450b
1 changed files with 7 additions and 6 deletions
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13
arch/x86/mm/pageattr.c
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@ -304,7 +304,7 @@ static int change_page_attr_addr(unsigned long address, pgprot_t prot)
static int change_page_attr_set(unsigned long addr, int numpages,
pgprot_t prot)
{
pgprot_t current_prot;
pgprot_t current_prot, new_prot;
int level;
pte_t *pte;
int i, ret;
@ -317,9 +317,10 @@ static int change_page_attr_set(unsigned long addr, int numpages,
else
pgprot_val(current_prot) = 0;
pgprot_val(prot) = pgprot_val(current_prot) | pgprot_val(prot);
pgprot_val(new_prot) =
pgprot_val(current_prot) | pgprot_val(prot);
ret = change_page_attr_addr(addr, prot);
ret = change_page_attr_addr(addr, new_prot);
if (ret)
return ret;
addr += PAGE_SIZE;
@ -349,7 +350,7 @@ static int change_page_attr_set(unsigned long addr, int numpages,
static int change_page_attr_clear(unsigned long addr, int numpages,
pgprot_t prot)
{
pgprot_t current_prot;
pgprot_t current_prot, new_prot;
int level;
pte_t *pte;
int i, ret;
@ -361,10 +362,10 @@ static int change_page_attr_clear(unsigned long addr, int numpages,
else
pgprot_val(current_prot) = 0;
pgprot_val(prot) =
pgprot_val(new_prot) =
pgprot_val(current_prot) & ~pgprot_val(prot);
ret = change_page_attr_addr(addr, prot);
ret = change_page_attr_addr(addr, new_prot);
if (ret)
return ret;
addr += PAGE_SIZE;