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-rw-r--r--kernel/sched.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/kernel/sched.c b/kernel/sched.c
index a5fb654ea590..a646e4f36c41 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -3486,7 +3486,7 @@ static void __setscheduler(struct task_struct *p, int policy, int prio)
p->policy = policy;
p->rt_priority = prio;
if (policy != SCHED_NORMAL)
- p->prio = MAX_USER_RT_PRIO-1 - p->rt_priority;
+ p->prio = MAX_RT_PRIO-1 - p->rt_priority;
else
p->prio = p->static_prio;
}
@@ -3518,7 +3518,8 @@ recheck:
* 1..MAX_USER_RT_PRIO-1, valid priority for SCHED_NORMAL is 0.
*/
if (param->sched_priority < 0 ||
- param->sched_priority > MAX_USER_RT_PRIO-1)
+ (p->mm && param->sched_priority > MAX_USER_RT_PRIO-1) ||
+ (!p->mm && param->sched_priority > MAX_RT_PRIO-1))
return -EINVAL;
if ((policy == SCHED_NORMAL) != (param->sched_priority == 0))
return -EINVAL;