s390: make use of user_mode() macro where possible

We use the user_mode() helper already at several places but also
have the open coded variant at other places.
Convert the code to always use the helper function.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

1 files changed, 4 insertions, 4 deletions

diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c
index 5bddbe4895d5..6c013f544146 100644
--- a/arch/s390/mm/fault.c
+++ b/arch/s390/mm/fault.c
@@ -220,7 +220,7 @@ static noinline void do_fault_error(struct pt_regs *regs, int fault)
         case VM_FAULT_BADACCESS:
         case VM_FAULT_BADMAP:
                 /* Bad memory access. Check if it is kernel or user space. */
-                if (regs->psw.mask & PSW_MASK_PSTATE) {
+                if (user_mode(regs)) {
                         /* User mode accesses just cause a SIGSEGV */
                         si_code = (fault == VM_FAULT_BADMAP) ?
                                 SEGV_MAPERR : SEGV_ACCERR;
@@ -236,13 +236,13 @@ static noinline void do_fault_error(struct pt_regs *regs, int fault)
                 break;
         default: /* fault & VM_FAULT_ERROR */
                 if (fault & VM_FAULT_OOM) {
-                        if (!(regs->psw.mask & PSW_MASK_PSTATE))
+                        if (!user_mode(regs))
                                 do_no_context(regs);
                         else
                                 pagefault_out_of_memory();
                 } else if (fault & VM_FAULT_SIGBUS) {
                         /* Kernel mode? Handle exceptions or die */
-                        if (!(regs->psw.mask & PSW_MASK_PSTATE))
+                        if (!user_mode(regs))
                                 do_no_context(regs);
                         else
                                 do_sigbus(regs);
@@ -436,7 +436,7 @@ void __kprobes do_asce_exception(struct pt_regs *regs)
         }
 
         /* User mode accesses just cause a SIGSEGV */
-        if (regs->psw.mask & PSW_MASK_PSTATE) {
+        if (user_mode(regs)) {
                 do_sigsegv(regs, SEGV_MAPERR);
                 return;
         }