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x86: return -EINVAL in __change_page_attr(), instead of 0

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careful: might change driver behavior - but this is the right
return value.

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 13:34:03 +01:00
parent 674d67269e
commit f5a50ce1bf
1 changed files with 1 additions and 1 deletions
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arch/x86/mm/pageattr_64.c
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@@ -135,7 +135,7 @@ __change_page_attr(unsigned long address, struct page *page, pgprot_t prot)
repeat: repeat:
kpte = lookup_address(address, &level); kpte = lookup_address(address, &level);
if (!kpte) if (!kpte)
return 0; return -EINVAL;
kpte_page = virt_to_page(kpte); kpte_page = virt_to_page(kpte);
BUG_ON(PageLRU(kpte_page)); BUG_ON(PageLRU(kpte_page));