diff options
| -rw-r--r-- | net/iucv/af_iucv.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/net/iucv/af_iucv.c b/net/iucv/af_iucv.c index 9cfdaaddc5b..b51c9187c34 100644 --- a/net/iucv/af_iucv.c +++ b/net/iucv/af_iucv.c @@ -1124,6 +1124,8 @@ static void iucv_callback_rx(struct iucv_path *path, struct iucv_message *msg) return; } + spin_lock(&iucv->message_q.lock); + if (!list_empty(&iucv->message_q.list) || !skb_queue_empty(&iucv->backlog_skb_q)) goto save_message; @@ -1137,9 +1139,8 @@ static void iucv_callback_rx(struct iucv_path *path, struct iucv_message *msg) if (!skb) goto save_message; - spin_lock(&iucv->message_q.lock); iucv_process_message(sk, skb, path, msg); - spin_unlock(&iucv->message_q.lock); + goto out_unlock; return; @@ -1150,8 +1151,9 @@ save_message: save_msg->path = path; save_msg->msg = *msg; - spin_lock(&iucv->message_q.lock); list_add_tail(&save_msg->list, &iucv->message_q.list); + +out_unlock: spin_unlock(&iucv->message_q.lock); } |