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Bluetooth: Zero bredr pointer when chan is deleted 

If BREDR L2CAP chan is deleted and this chan is the channel through
which High Speed traffic is routed to AMP then zero pointer to
the chan in amp_mgr to prevent accessing it.

Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
This commit is contained in:
Andrei Emeltchenko 2012-10-15 11:58:44 +03:00 committed by Gustavo Padovan
parent 79de886d9c
commit 56f6098441
1 changed files with 4 additions and 0 deletions
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4
net/bluetooth/l2cap_core.c
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@ -531,6 +531,7 @@ void l2cap_chan_del(struct l2cap_chan *chan, int err)
BT_DBG("chan %p, conn %p, err %d", chan, conn, err);
if (conn) {
struct amp_mgr *mgr = conn->hcon->amp_mgr;
/* Delete from channel list */
list_del(&chan->list);
@ -540,6 +541,9 @@ void l2cap_chan_del(struct l2cap_chan *chan, int err)
if (chan->chan_type != L2CAP_CHAN_CONN_FIX_A2MP)
hci_conn_put(conn->hcon);
if (mgr && mgr->bredr_chan == chan)
mgr->bredr_chan = NULL;
}
chan->ops->teardown(chan, err);