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-rw-r--r--kernel/sched.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/kernel/sched.c b/kernel/sched.c
index 08431f0..7a30add 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -4091,8 +4091,10 @@ do_sched_setscheduler(pid_t pid, int policy, struct sched_param __user *param)
read_unlock_irq(&tasklist_lock);
return -ESRCH;
}
- retval = sched_setscheduler(p, policy, &lparam);
+ get_task_struct(p);
read_unlock_irq(&tasklist_lock);
+ retval = sched_setscheduler(p, policy, &lparam);
+ put_task_struct(p);
return retval;
}