Bluetooth: 6lowpan: Make sure skb exists before accessing it

We need to make sure that the saved skb exists when
resuming or suspending a CoC channel. This can happen if
initial credits is 0 when channel is connected.

Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Jukka Rissanen 2014-09-29 10:55:46 +03:00 committed by Marcel Holtmann
parent 565766b087
commit 59790aa287
1 changed files with 6 additions and 0 deletions

View File

@ -950,6 +950,9 @@ static void chan_suspend_cb(struct l2cap_chan *chan)
BT_DBG("chan %p conn %p skb %p", chan, chan->conn, skb);
if (!skb)
return;
lowpan_cb(skb)->status = -EAGAIN;
}
@ -959,6 +962,9 @@ static void chan_resume_cb(struct l2cap_chan *chan)
BT_DBG("chan %p conn %p skb %p", chan, chan->conn, skb);
if (!skb)
return;
lowpan_cb(skb)->status = 0;
}