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

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>
git-mirror · Jan 30, 2008 · f5a50ce · f5a50ce
1 parent 674d672
commit f5a50ce
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/arch/x86/mm/pageattr_64.c b/arch/x86/mm/pageattr_64.c
@@ -135,7 +135,7 @@ __change_page_attr(unsigned long address, struct page *page, pgprot_t prot)
 repeat:
 	kpte = lookup_address(address, &level);
 	if (!kpte)
-		return 0;
+		return -EINVAL;
 
 	kpte_page = virt_to_page(kpte);
 	BUG_ON(PageLRU(kpte_page));