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-rw-r--r--kernel/signal.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/signal.c b/kernel/signal.c
index 72bb4f51f963..12ffea7c201d 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -1242,7 +1242,8 @@ void sigqueue_free(struct sigqueue *q)
/*
* If the signal is still pending remove it from the
* pending queue. We must hold ->siglock while testing
- * q->list to serialize with collect_signal().
+ * q->list to serialize with collect_signal() or with
+ * __exit_signal()->flush_sigqueue().
*/
spin_lock_irqsave(lock, flags);
if (!list_empty(&q->list))