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Bluetooth: Lookup channel structure based on DCID

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Processing a move channel request involves getting the channel
structure using the destination channel ID.  Previous code could only
look up using the source channel ID.

Signed-off-by: Mat Martineau <mathewm@codeaurora.org>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Acked-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
This commit is contained in:
Mat Martineau 2012-10-23 15:24:09 -07:00 • committed by Gustavo Padovan
parent 5909cf30f3
commit b1a130b7d3
1 changed files with 17 additions and 0 deletions

17
net/bluetooth/l2cap_core.c
View file

@ -100,6 +100,23 @@ static struct l2cap_chan *l2cap_get_chan_by_scid(struct l2cap_conn *conn,
return c;
}
/* Find channel with given DCID.
* Returns locked channel.
*/
static struct l2cap_chan *l2cap_get_chan_by_dcid(struct l2cap_conn *conn,
u16 cid)
{
struct l2cap_chan *c;
mutex_lock(&conn->chan_lock);
c = __l2cap_get_chan_by_dcid(conn, cid);
if (c)
l2cap_chan_lock(c);
mutex_unlock(&conn->chan_lock);
return c;
}
static struct l2cap_chan *__l2cap_get_chan_by_ident(struct l2cap_conn *conn,
u8 ident)
{