According to Documentation/core-api/printk-formats.rst, Use the correct print format. Printing an unsigned int value should use %u instead of %d. Otherwise printk() might end up displaying negative numbers. Signed-off-by: Kai Ye <yekai13@xxxxxxxxxx> --- net/bluetooth/6lowpan.c | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/net/bluetooth/6lowpan.c b/net/bluetooth/6lowpan.c index cff4944..8de7876 100644 --- a/net/bluetooth/6lowpan.c +++ b/net/bluetooth/6lowpan.c @@ -195,7 +195,7 @@ static inline struct lowpan_peer *peer_lookup_dst(struct lowpan_btle_dev *dev, rcu_read_lock(); list_for_each_entry_rcu(peer, &dev->peers, list) { - BT_DBG("dst addr %pMR dst type %d ip %pI6c", + BT_DBG("dst addr %pMR dst type %u ip %pI6c", &peer->chan->dst, peer->chan->dst_type, &peer->peer_addr); @@ -507,7 +507,7 @@ static int send_mcast_pkt(struct sk_buff *skb, struct net_device *netdev) local_skb = skb_clone(skb, GFP_ATOMIC); - BT_DBG("xmit %s to %pMR type %d IP %pI6c chan %p", + BT_DBG("xmit %s to %pMR type %u IP %pI6c chan %p", netdev->name, &pentry->chan->dst, pentry->chan->dst_type, &pentry->peer_addr, pentry->chan); @@ -550,7 +550,7 @@ static netdev_tx_t bt_xmit(struct sk_buff *skb, struct net_device *netdev) if (err) { if (lowpan_cb(skb)->chan) { - BT_DBG("xmit %s to %pMR type %d IP %pI6c chan %p", + BT_DBG("xmit %s to %pMR type %u IP %pI6c chan %p", netdev->name, &addr, addr_type, &lowpan_cb(skb)->addr, lowpan_cb(skb)->chan); err = send_pkt(lowpan_cb(skb)->chan, skb, netdev); @@ -819,7 +819,7 @@ static void chan_close_cb(struct l2cap_chan *chan) BT_DBG("dev %p removing %speer %p", dev, last ? "last " : "1 ", peer); - BT_DBG("chan %p orig refcnt %d", chan, + BT_DBG("chan %p orig refcnt %u", chan, kref_read(&chan->kref)); l2cap_chan_put(chan); @@ -943,7 +943,7 @@ static int bt_6lowpan_disconnect(struct l2cap_conn *conn, u8 dst_type) { struct lowpan_peer *peer; - BT_DBG("conn %p dst type %d", conn, dst_type); + BT_DBG("conn %p dst type %u", conn, dst_type); peer = lookup_peer(conn); if (!peer) @@ -975,7 +975,7 @@ static struct l2cap_chan *bt_6lowpan_listen(void) atomic_set(&chan->nesting, L2CAP_NESTING_PARENT); - BT_DBG("chan %p src type %d", chan, chan->src_type); + BT_DBG("chan %p src type %u", chan, chan->src_type); err = l2cap_add_psm(chan, addr, cpu_to_le16(L2CAP_PSM_IPSP)); if (err) { @@ -1016,7 +1016,7 @@ static int get_l2cap_conn(char *buf, bdaddr_t *addr, u8 *addr_type, *conn = (struct l2cap_conn *)hcon->l2cap_data; - BT_DBG("conn %p dst %pMR type %d", *conn, &hcon->dst, hcon->dst_type); + BT_DBG("conn %p dst %pMR type %u", *conn, &hcon->dst, hcon->dst_type); return 0; } @@ -1158,7 +1158,7 @@ static ssize_t lowpan_control_write(struct file *fp, return -EALREADY; } - BT_DBG("conn %p dst %pMR type %d user %d", conn, + BT_DBG("conn %p dst %pMR type %d user %u", conn, &conn->hcon->dst, conn->hcon->dst_type, addr_type); } -- 2.8.1