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authorIngo Molnar2008-01-30 13:34:03 +0100
committerIngo Molnar2008-01-30 13:34:03 +0100
commitf5a50ce1bf53a07cb7d0bab1a87e62cc4f34f0ab (patch)
tree0fd0b5e96043070e2144a0785c5f89083e63d723 /arch
parent674d67269e79f6697c3480363b28c9b9934fa60c (diff)
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>
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/mm/pageattr_64.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/mm/pageattr_64.c b/arch/x86/mm/pageattr_64.c
index 60cfb687f97c..4053832d4108 100644
--- 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));