x86: fixes for lookup_address args

Signedness mismatches in level argument.

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

4 files changed, 6 insertions, 5 deletions

diff --git a/arch/x86/kernel/efi_64.c b/arch/x86/kernel/efi_64.c
index 4b73992c1e11..674f2379480f 100644
--- a/arch/x86/kernel/efi_64.c
+++ b/arch/x86/kernel/efi_64.c
@@ -44,7 +44,7 @@ static void __init early_mapping_set_exec(unsigned long start,
                                           int executable)
 {
         pte_t *kpte;
-        int level;
+        unsigned int level;
 
         while (start < end) {
                 kpte = lookup_address((unsigned long)__va(start), &level);
diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c
index e28cc5277b16..e4440d0abf81 100644
--- a/arch/x86/mm/fault.c
+++ b/arch/x86/mm/fault.c
@@ -382,7 +382,7 @@ static void show_fault_oops(struct pt_regs *regs, unsigned long error_code,
 
 #ifdef CONFIG_X86_PAE
         if (error_code & PF_INSTR) {
-                int level;
+                unsigned int level;
                 pte_t *pte = lookup_address(address, &level);
 
                 if (pte && pte_present(*pte) && !pte_exec(*pte))
diff --git a/arch/x86/mm/ioremap.c b/arch/x86/mm/ioremap.c
index a177d76e1c53..c004d94608fd 100644
--- a/arch/x86/mm/ioremap.c
+++ b/arch/x86/mm/ioremap.c
@@ -75,7 +75,8 @@ static int ioremap_change_attr(unsigned long paddr, unsigned long size,
 {
         unsigned long vaddr = (unsigned long)__va(paddr);
         unsigned long nrpages = size >> PAGE_SHIFT;
-        int err, level;
+        unsigned int level;
+        int err;
 
         /* No change for pages after the last mapping */
         if ((paddr + size - 1) >= (max_pfn_mapped << PAGE_SHIFT))
diff --git a/arch/x86/mm/pageattr-test.c b/arch/x86/mm/pageattr-test.c
index 06353d43f72e..7573e786d2f2 100644
--- a/arch/x86/mm/pageattr-test.c
+++ b/arch/x86/mm/pageattr-test.c
@@ -42,7 +42,7 @@ static __init int print_split(struct split_state *s)
         s->max_exec = 0;
         for (i = 0; i < max_pfn_mapped; ) {
                 unsigned long addr = (unsigned long)__va(i << PAGE_SHIFT);
-                int level;
+                unsigned int level;
                 pte_t *pte;
 
                 pte = lookup_address(addr, &level);
@@ -106,7 +106,7 @@ static __init int exercise_pageattr(void)
         unsigned long *bm;
         pte_t *pte, pte0;
         int failed = 0;
-        int level;
+        unsigned int level;
         int i, k;
         int err;