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@xxxxxxxxxxxxxx>
Acked-by: Marcel Holtmann <marcel@xxxxxxxxxxxx>
Acked-by: Andrei Emeltchenko <andrei.emeltchenko@xxxxxxxxx>
---
net/bluetooth/l2cap_core.c | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index ec2b4d9..e826420 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -100,6 +100,22 @@ 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)
{
--
1.7.12.3
--
Mat Martineau
Employee of Qualcomm Innovation Center, Inc.
The Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundation
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