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Diffstat (limited to 'arch/s390/mm/fault.c')
-rw-r--r--arch/s390/mm/fault.c21
1 files changed, 10 insertions, 11 deletions
diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c
index 09bf7f2121ac..d56f67745e3e 100644
--- a/arch/s390/mm/fault.c
+++ b/arch/s390/mm/fault.c
@@ -45,11 +45,11 @@
#define __SUBCODE_MASK 0x0600
#define __PF_RES_FIELD 0x8000000000000000ULL
-#define VM_FAULT_BADCONTEXT 0x010000
-#define VM_FAULT_BADMAP 0x020000
-#define VM_FAULT_BADACCESS 0x040000
-#define VM_FAULT_SIGNAL 0x080000
-#define VM_FAULT_PFAULT 0x100000
+#define VM_FAULT_BADCONTEXT ((__force vm_fault_t) 0x010000)
+#define VM_FAULT_BADMAP ((__force vm_fault_t) 0x020000)
+#define VM_FAULT_BADACCESS ((__force vm_fault_t) 0x040000)
+#define VM_FAULT_SIGNAL ((__force vm_fault_t) 0x080000)
+#define VM_FAULT_PFAULT ((__force vm_fault_t) 0x100000)
enum fault_type {
KERNEL_FAULT,
@@ -123,7 +123,7 @@ static void dump_pagetable(unsigned long asce, unsigned long address)
if (*table & _REGION_ENTRY_INVALID)
goto out;
table = (unsigned long *)(*table & _REGION_ENTRY_ORIGIN);
- /* fallthrough */
+ fallthrough;
case _ASCE_TYPE_REGION2:
table += (address & _REGION2_INDEX) >> _REGION2_SHIFT;
if (bad_address(table))
@@ -132,7 +132,7 @@ static void dump_pagetable(unsigned long asce, unsigned long address)
if (*table & _REGION_ENTRY_INVALID)
goto out;
table = (unsigned long *)(*table & _REGION_ENTRY_ORIGIN);
- /* fallthrough */
+ fallthrough;
case _ASCE_TYPE_REGION3:
table += (address & _REGION3_INDEX) >> _REGION3_SHIFT;
if (bad_address(table))
@@ -141,7 +141,7 @@ static void dump_pagetable(unsigned long asce, unsigned long address)
if (*table & (_REGION_ENTRY_INVALID | _REGION3_ENTRY_LARGE))
goto out;
table = (unsigned long *)(*table & _REGION_ENTRY_ORIGIN);
- /* fallthrough */
+ fallthrough;
case _ASCE_TYPE_SEGMENT:
table += (address & _SEGMENT_INDEX) >> _SEGMENT_SHIFT;
if (bad_address(table))
@@ -328,7 +328,7 @@ static noinline void do_fault_error(struct pt_regs *regs, int access,
case VM_FAULT_BADACCESS:
if (access == VM_EXEC && signal_return(regs) == 0)
break;
- /* fallthrough */
+ fallthrough;
case VM_FAULT_BADMAP:
/* Bad memory access. Check if it is kernel or user space. */
if (user_mode(regs)) {
@@ -338,9 +338,8 @@ static noinline void do_fault_error(struct pt_regs *regs, int access,
do_sigsegv(regs, si_code);
break;
}
- /* fallthrough */
+ fallthrough;
case VM_FAULT_BADCONTEXT:
- /* fallthrough */
case VM_FAULT_PFAULT:
do_no_context(regs);
break;