x86: cpa: fix loop
authorIngo Molnar <mingo@elte.hu>
Wed, 30 Jan 2008 12:34:07 +0000 (13:34 +0100)
committerIngo Molnar <mingo@elte.hu>
Wed, 30 Jan 2008 12:34:07 +0000 (13:34 +0100)
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
arch/x86/mm/pageattr.c

index a2ee317..5cfc0d4 100644 (file)
@@ -304,7 +304,7 @@ static int change_page_attr_addr(unsigned long address, pgprot_t prot)
 static int change_page_attr_set(unsigned long addr, int numpages,
                                                                pgprot_t prot)
 {
-       pgprot_t current_prot;
+       pgprot_t current_prot, new_prot;
        int level;
        pte_t *pte;
        int i, ret;
@@ -317,9 +317,10 @@ static int change_page_attr_set(unsigned long addr, int numpages,
                else
                        pgprot_val(current_prot) = 0;
 
-               pgprot_val(prot) = pgprot_val(current_prot) | pgprot_val(prot);
+               pgprot_val(new_prot) =
+                       pgprot_val(current_prot) | pgprot_val(prot);
 
-               ret = change_page_attr_addr(addr, prot);
+               ret = change_page_attr_addr(addr, new_prot);
                if (ret)
                        return ret;
                addr += PAGE_SIZE;
@@ -349,7 +350,7 @@ static int change_page_attr_set(unsigned long addr, int numpages,
 static int change_page_attr_clear(unsigned long addr, int numpages,
                                                                pgprot_t prot)
 {
-       pgprot_t current_prot;
+       pgprot_t current_prot, new_prot;
        int level;
        pte_t *pte;
        int i, ret;
@@ -361,10 +362,10 @@ static int change_page_attr_clear(unsigned long addr, int numpages,
                else
                        pgprot_val(current_prot) = 0;
 
-               pgprot_val(prot) =
+               pgprot_val(new_prot) =
                                pgprot_val(current_prot) & ~pgprot_val(prot);
 
-               ret = change_page_attr_addr(addr, prot);
+               ret = change_page_attr_addr(addr, new_prot);
                if (ret)
                        return ret;
                addr += PAGE_SIZE;