x86: PAT phys_mem_access_prot_allowed for dev/mem mmap

[linux-2.6] / arch / x86 / mm / pageattr.c

diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c
index 7d9517abc9af500fc91c7a3f79b397c8e60dd328..f7823a17286838d016985c3c3bb9885c08982c95 100644 (file)
--- 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)) {