sched: fix the wrong time slice value for SCHED_FIFO tasks

Function sys_sched_rr_get_interval returns wrong time slice value for
SCHED_FIFO tasks. The time slice for SCHED_FIFO tasks should be 0.

Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 1 insertions, 1 deletions

diff --git a/kernel/sched.c b/kernel/sched.c
index 63a469f8853d..5b13e4b0e009 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -5100,7 +5100,7 @@ long sys_sched_rr_get_interval(pid_t pid, struct timespec __user *interval)
         time_slice = 0;
         if (p->policy == SCHED_RR) {
                 time_slice = DEF_TIMESLICE;
-        } else {
+        } else if (p->policy != SCHED_FIFO) {
                 struct sched_entity *se = &p->se;
                 unsigned long flags;
                 struct rq *rq;