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-rw-r--r--kernel/sched.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/kernel/sched.c b/kernel/sched.c
index af5fa239804..0b914fc90a5 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -4249,7 +4249,7 @@ void rt_mutex_setprio(struct task_struct *p, int prio)
unsigned long flags;
int oldprio, on_rq, running;
struct rq *rq;
- const struct sched_class *prev_class = p->sched_class;
+ const struct sched_class *prev_class;
BUG_ON(prio < 0 || prio > MAX_PRIO);
@@ -4257,6 +4257,7 @@ void rt_mutex_setprio(struct task_struct *p, int prio)
update_rq_clock(rq);
oldprio = p->prio;
+ prev_class = p->sched_class;
on_rq = p->se.on_rq;
running = task_current(rq, p);
if (on_rq)
@@ -4476,7 +4477,7 @@ static int __sched_setscheduler(struct task_struct *p, int policy,
{
int retval, oldprio, oldpolicy = -1, on_rq, running;
unsigned long flags;
- const struct sched_class *prev_class = p->sched_class;
+ const struct sched_class *prev_class;
struct rq *rq;
int reset_on_fork;
@@ -4590,6 +4591,7 @@ recheck:
p->sched_reset_on_fork = reset_on_fork;
oldprio = p->prio;
+ prev_class = p->sched_class;
__setscheduler(rq, p, policy, param->sched_priority);
if (running)