x86 PAT: fix mmap() of holes

do not return a -EINVAL when mmap()-ing PCI holes. Signed-off-by: Ingo Molnar <[email protected]> Acked-by: Venkatesh Pallipadi <[email protected]> Acked-by: Suresh Siddha <[email protected]> Acked-by: H. Peter Anvin <[email protected]> Acked-by: Thomas Gleixner <[email protected]> Acked-by: Arjan van de Ven <[email protected]>
yshchan · Apr 18, 2008 · d1a4be6 · d1a4be6
1 parent 2cca775
commit d1a4be6
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c
@@ -542,7 +542,7 @@ static int __change_page_attr(struct cpa_data *cpa, int primary)
 repeat:
 	kpte = lookup_address(address, &level);
 	if (!kpte)
-		return primary ? -EINVAL : 0;
+		return 0;
 
 	old_pte = *kpte;
 	if (!pte_val(old_pte)) {