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>
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@ -531,6 +531,7 @@ void l2cap_chan_del(struct l2cap_chan *chan, int err)
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BT_DBG("chan %p, conn %p, err %d", chan, conn, err);
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if (conn) {
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struct amp_mgr *mgr = conn->hcon->amp_mgr;
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/* Delete from channel list */
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list_del(&chan->list);
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@ -540,6 +541,9 @@ void l2cap_chan_del(struct l2cap_chan *chan, int err)
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if (chan->chan_type != L2CAP_CHAN_CONN_FIX_A2MP)
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hci_conn_put(conn->hcon);
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if (mgr && mgr->bredr_chan == chan)
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mgr->bredr_chan = NULL;
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}
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chan->ops->teardown(chan, err);
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