freezer: remove should_send_signal() and update frozen()

should_send_signal() is only used in freezer.c.  Exporting them only
increases chance of abuse.  Open code the two users and remove it.

Update frozen() to return bool.

Signed-off-by: Tejun Heo <tj@kernel.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/kernel/freezer.c b/kernel/freezer.c
index f53cd5aa5b2e..95a123844241 100644
--- a/kernel/freezer.c
+++ b/kernel/freezer.c
@@ -132,7 +132,7 @@ bool freeze_task(struct task_struct *p, bool sig_only)
                 return false;
         }
 
-        if (should_send_signal(p)) {
+        if (!(p->flags & PF_FREEZER_NOSIG)) {
                 fake_signal_wake_up(p);
                 /*
                  * fake_signal_wake_up() goes through p's scheduler