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Diffstat (limited to 'net/bluetooth/l2cap_sock.c')
-rw-r--r--net/bluetooth/l2cap_sock.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c
index 244287706f91..3794c2386c21 100644
--- a/net/bluetooth/l2cap_sock.c
+++ b/net/bluetooth/l2cap_sock.c
@@ -1098,7 +1098,12 @@ static int l2cap_sock_shutdown(struct socket *sock, int how)
if (!sk)
return 0;
+ /* prevent sk structure from being freed whilst unlocked */
+ sock_hold(sk);
+
chan = l2cap_pi(sk)->chan;
+ /* prevent chan structure from being freed whilst unlocked */
+ l2cap_chan_hold(chan);
conn = chan->conn;
BT_DBG("chan %p state %s", chan, state_to_string(chan->state));
@@ -1134,6 +1139,9 @@ static int l2cap_sock_shutdown(struct socket *sock, int how)
if (conn)
mutex_unlock(&conn->chan_lock);
+ l2cap_chan_put(chan);
+ sock_put(sk);
+
return err;
}