From 51bda2bca53b265715ca1852528f38dc67429d9a Mon Sep 17 00:00:00 2001 From: Al Viro Date: Fri, 19 Dec 2014 06:20:57 +0000 Subject: [PATCH] Bluetooth: hidp_connection_add() unsafe use of l2cap_pi() it's OK after we'd verified the sockets, but not before that. Signed-off-by: Al Viro Signed-off-by: Marcel Holtmann --- net/bluetooth/hidp/core.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/net/bluetooth/hidp/core.c b/net/bluetooth/hidp/core.c index cc25d0b74b36..07348e142f16 100644 --- a/net/bluetooth/hidp/core.c +++ b/net/bluetooth/hidp/core.c @@ -1314,13 +1314,14 @@ int hidp_connection_add(struct hidp_connadd_req *req, { struct hidp_session *session; struct l2cap_conn *conn; - struct l2cap_chan *chan = l2cap_pi(ctrl_sock->sk)->chan; + struct l2cap_chan *chan; int ret; ret = hidp_verify_sockets(ctrl_sock, intr_sock); if (ret) return ret; + chan = l2cap_pi(ctrl_sock->sk)->chan; conn = NULL; l2cap_chan_lock(chan); if (chan->conn)