P-FP: fix admission of suspended task

This commit fixes admission of suspended tasks under the P-FP plugin
analogously to commit 78ae3306ff8b63a4592044aa28c2f2cbc1d36b20.

1 files changed, 3 insertions, 6 deletions

diff --git a/litmus/sched_pfp.c b/litmus/sched_pfp.c
index aade09044917..6113ae376bec 100644
--- a/litmus/sched_pfp.c
+++ b/litmus/sched_pfp.c
@@ -296,7 +296,7 @@ static void pfp_finish_switch(struct task_struct *prev)
 
 /*      Prepare a task for running in RT mode
  */
-static void pfp_task_new(struct task_struct * t, int on_rq, int running)
+static void pfp_task_new(struct task_struct * t, int on_rq, int is_scheduled)
 {
         pfp_domain_t*   pfp = task_pfp(t);
         unsigned long           flags;
@@ -307,15 +307,12 @@ static void pfp_task_new(struct task_struct * t, int on_rq, int running)
         /* setup job parameters */
         release_at(t, litmus_clock());
 
-        /* The task should be running in the queue, otherwise signal
-         * code will try to wake it up with fatal consequences.
-         */
         raw_spin_lock_irqsave(&pfp->slock, flags);
-        if (running) {
+        if (is_scheduled) {
                 /* there shouldn't be anything else running at the time */
                 BUG_ON(pfp->scheduled);
                 pfp->scheduled = t;
-        } else {
+        } else if (is_running(t)) {
                 requeue(t, pfp);
                 /* maybe we have to reschedule */
                 pfp_preempt_check(pfp);