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))