Bluetooth: Correct chan->psm endian conversions
authorAndrei Emeltchenko <andrei.emeltchenko@intel.com>
Fri, 9 Mar 2012 12:16:17 +0000 (14:16 +0200)
committerGustavo Padovan <gustavo@padovan.org>
Wed, 9 May 2012 03:41:29 +0000 (00:41 -0300)
chan->psm is kept in __le16 format which was not always taken
into account. Fix several bugs related to extra conversion.

Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
net/bluetooth/l2cap_core.c

index 94552b33d528447eea4b604b996c7d90ba0ab036..7b8a88fd3b78822e4c2cd37ffa255b99c6f08b4c 100644 (file)
@@ -301,7 +301,7 @@ void l2cap_chan_destroy(struct l2cap_chan *chan)
 void __l2cap_chan_add(struct l2cap_conn *conn, struct l2cap_chan *chan)
 {
        BT_DBG("conn %p, psm 0x%2.2x, dcid 0x%4.4x", conn,
-                       chan->psm, chan->dcid);
+              __le16_to_cpu(chan->psm), chan->dcid);
 
        conn->disc_reason = HCI_ERROR_REMOTE_USER_TERM;
 
@@ -1144,7 +1144,7 @@ int l2cap_chan_connect(struct l2cap_chan *chan, __le16 psm, u16 cid, bdaddr_t *d
        int err;
 
        BT_DBG("%s -> %s psm 0x%2.2x", batostr(src), batostr(dst),
-                                                       chan->psm);
+              __le16_to_cpu(chan->psm));
 
        hdev = hci_get_route(dst, src);
        if (!hdev)
@@ -1612,7 +1612,7 @@ static struct sk_buff *l2cap_create_connless_pdu(struct l2cap_chan *chan,
        lh = (struct l2cap_hdr *) skb_put(skb, L2CAP_HDR_SIZE);
        lh->cid = cpu_to_le16(chan->dcid);
        lh->len = cpu_to_le16(len + (hlen - L2CAP_HDR_SIZE));
-       put_unaligned_le16(chan->psm, skb_put(skb, 2));
+       put_unaligned(chan->psm, skb_put(skb, 2));
 
        err = l2cap_skbuff_fromiovec(chan, msg, len, count, skb);
        if (unlikely(err < 0)) {
@@ -2644,7 +2644,7 @@ static inline int l2cap_connect_req(struct l2cap_conn *conn, struct l2cap_cmd_hd
        u16 dcid = 0, scid = __le16_to_cpu(req->scid);
        __le16 psm = req->psm;
 
-       BT_DBG("psm 0x%2.2x scid 0x%4.4x", psm, scid);
+       BT_DBG("psm 0x%2.2x scid 0x%4.4x", __le16_to_cpu(psm), scid);
 
        /* Check if we have socket listening on psm */
        pchan = l2cap_global_chan_by_psm(BT_LISTEN, psm, conn->src);
@@ -4445,7 +4445,7 @@ static void l2cap_recv_frame(struct l2cap_conn *conn, struct sk_buff *skb)
                break;
 
        case L2CAP_CID_CONN_LESS:
-               psm = get_unaligned_le16(skb->data);
+               psm = get_unaligned((__le16 *) skb->data);
                skb_pull(skb, 2);
                l2cap_conless_channel(conn, psm, skb);
                break;