Bluetooth: Do not purge queue in Basic Mode

chan->tx_q is only initialized if we use ERTM or Streaming mode.

Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

1 files changed, 12 insertions, 2 deletions

diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index b70dca4472a7..ae69da8d01e7 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -549,9 +549,11 @@ static void l2cap_chan_del(struct l2cap_chan *chan, int err)
         if (test_bit(CONF_NOT_COMPLETE, &chan->conf_state))
                 return;
 
-        skb_queue_purge(&chan->tx_q);
+        switch(chan->mode) {
+        case L2CAP_MODE_BASIC:
+                break;
 
-        if (chan->mode == L2CAP_MODE_ERTM) {
+        case L2CAP_MODE_ERTM:
                 __clear_retrans_timer(chan);
                 __clear_monitor_timer(chan);
                 __clear_ack_timer(chan);
@@ -560,7 +562,15 @@ static void l2cap_chan_del(struct l2cap_chan *chan, int err)
 
                 l2cap_seq_list_free(&chan->srej_list);
                 l2cap_seq_list_free(&chan->retrans_list);
+
+                /* fall through */
+
+        case L2CAP_MODE_STREAMING:
+                skb_queue_purge(&chan->tx_q);
+                break;
         }
+
+        return;
 }
 
 static void l2cap_chan_cleanup_listen(struct sock *parent)