Bluetooth: Remove double free of SKB pointer in L2CAP

Trivial fix for double free of SKB pointer with kfree_skb to
make code simplier and cleaner. Remove unused variable err.

Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@nokia.com>
Acked-by: Gustavo F. Padovan <padovan@profusion.mobi>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

diff --git a/net/bluetooth/l2cap.c b/net/bluetooth/l2cap.c
index 1120cf1..8acc19e 100644 (file)
--- a/net/bluetooth/l2cap.c
+++ b/net/bluetooth/l2cap.c
@@ -3518,7 +3518,6 @@ static inline int l2cap_data_channel(struct l2cap_conn *conn, u16 cid, struct sk
        struct l2cap_pinfo *pi;
        u16 control, len;
        u8 tx_seq;
-       int err;
 
        sk = l2cap_get_chan_by_scid(&conn->chan_list, cid);
        if (!sk) {
@@ -3570,13 +3569,11 @@ static inline int l2cap_data_channel(struct l2cap_conn *conn, u16 cid, struct sk
                        goto drop;
 
                if (__is_iframe(control))
-                       err = l2cap_data_channel_iframe(sk, control, skb);
+                       l2cap_data_channel_iframe(sk, control, skb);
                else
-                       err = l2cap_data_channel_sframe(sk, control, skb);
+                       l2cap_data_channel_sframe(sk, control, skb);
 
-               if (!err)
-                       goto done;
-               break;
+               goto done;
 
        case L2CAP_MODE_STREAMING:
                control = get_unaligned_le16(skb->data);
@@ -3602,7 +3599,7 @@ static inline int l2cap_data_channel(struct l2cap_conn *conn, u16 cid, struct sk
                else
                        pi->expected_tx_seq = tx_seq + 1;
 
-               err = l2cap_sar_reassembly_sdu(sk, skb, control);
+               l2cap_sar_reassembly_sdu(sk, skb, control);
 
                goto done;