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-rw-r--r--kernel/signal.c32
1 files changed, 8 insertions, 24 deletions
diff --git a/kernel/signal.c b/kernel/signal.c
index 2dfaa5076c3..efba39626e6 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -1685,8 +1685,7 @@ out:
static int do_signal_stop(int signr)
{
struct signal_struct *sig = current->signal;
- struct sighand_struct *sighand = current->sighand;
- int stop_count = -1;
+ int stop_count;
if (!likely(sig->flags & SIGNAL_STOP_DEQUEUED))
return 0;
@@ -1696,30 +1695,14 @@ static int do_signal_stop(int signr)
* There is a group stop in progress. We don't need to
* start another one.
*/
- signr = sig->group_exit_code;
stop_count = --sig->group_stop_count;
- current->exit_code = signr;
- set_current_state(TASK_STOPPED);
- if (stop_count == 0)
- sig->flags = SIGNAL_STOP_STOPPED;
- }
- else if (thread_group_empty(current)) {
- /*
- * Lock must be held through transition to stopped state.
- */
- current->exit_code = current->signal->group_exit_code = signr;
- set_current_state(TASK_STOPPED);
- sig->flags = SIGNAL_STOP_STOPPED;
- }
- else {
+ } else {
/*
- * (sig->group_stop_count == 0)
* There is no group stop already in progress.
* We must initiate one now.
*/
struct task_struct *t;
- current->exit_code = signr;
sig->group_exit_code = signr;
stop_count = 0;
@@ -1735,13 +1718,14 @@ static int do_signal_stop(int signr)
signal_wake_up(t, 0);
}
sig->group_stop_count = stop_count;
-
- set_current_state(TASK_STOPPED);
- if (stop_count == 0)
- sig->flags = SIGNAL_STOP_STOPPED;
}
- spin_unlock_irq(&sighand->siglock);
+ if (stop_count == 0)
+ sig->flags = SIGNAL_STOP_STOPPED;
+ current->exit_code = sig->group_exit_code;
+ __set_current_state(TASK_STOPPED);
+
+ spin_unlock_irq(&current->sighand->siglock);
finish_stop(stop_count);
return 1;
}