[S390] cputime: add sparse checking and cleanup

Make cputime_t and cputime64_t nocast to enable sparse checking to
detect incorrect use of cputime. Drop the cputime macros for simple
scalar operations. The conversion macros are still needed.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

1 files changed, 3 insertions, 3 deletions

diff --git a/kernel/sys.c b/kernel/sys.c
index 481611fbd079..ddf8155bf3f8 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -1605,7 +1605,7 @@ static void k_getrusage(struct task_struct *p, int who, struct rusage *r)
         unsigned long maxrss = 0;
 
         memset((char *) r, 0, sizeof *r);
-        utime = stime = cputime_zero;
+        utime = stime = 0;
 
         if (who == RUSAGE_THREAD) {
                 task_times(current, &utime, &stime);
@@ -1635,8 +1635,8 @@ static void k_getrusage(struct task_struct *p, int who, struct rusage *r)
 
                 case RUSAGE_SELF:
                         thread_group_times(p, &tgutime, &tgstime);
-                        utime = cputime_add(utime, tgutime);
-                        stime = cputime_add(stime, tgstime);
+                        utime += tgutime;
+                        stime += tgstime;
                         r->ru_nvcsw += p->signal->nvcsw;
                         r->ru_nivcsw += p->signal->nivcsw;
                         r->ru_minflt += p->signal->min_flt;