ES8316 audio codec fixes on Rock5B

Merge series from Cristian Ciocaltea <cristian.ciocaltea@collabora.com>:

This patch series handles a few issues related to the ES8316 audio
codec, discovered while doing some testing on the Rock 5B board.

1 files changed, 15 insertions, 0 deletions

diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index d4d0a41a905a..d75456adc62a 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -1977,6 +1977,14 @@ napi_busy:
 		int queue_len;
 
 		spin_lock_bh(&queue->lock);
+
+		if (unlikely(tfile->detached)) {
+			spin_unlock_bh(&queue->lock);
+			rcu_read_unlock();
+			err = -EBUSY;
+			goto free_skb;
+		}
+
 		__skb_queue_tail(queue, skb);
 		queue_len = skb_queue_len(queue);
 		spin_unlock(&queue->lock);
@@ -2512,6 +2520,13 @@ build:
 	if (tfile->napi_enabled) {
 		queue = &tfile->sk.sk_write_queue;
 		spin_lock(&queue->lock);
+
+		if (unlikely(tfile->detached)) {
+			spin_unlock(&queue->lock);
+			kfree_skb(skb);
+			return -EBUSY;
+		}
+
 		__skb_queue_tail(queue, skb);
 		spin_unlock(&queue->lock);
 		ret = 1;