vserver 1.9.5.x5

[linux-2.6.git] / net / bluetooth / rfcomm / tty.c

diff --git a/net/bluetooth/rfcomm/tty.c b/net/bluetooth/rfcomm/tty.c
index ed8abef..6d68920 100644 (file)
--- a/net/bluetooth/rfcomm/tty.c
+++ b/net/bluetooth/rfcomm/tty.c
@@ -77,7 +77,7 @@ struct rfcomm_dev {
 };
 
 static LIST_HEAD(rfcomm_dev_list);
-static rwlock_t rfcomm_dev_lock = RW_LOCK_UNLOCKED;
+static DEFINE_RWLOCK(rfcomm_dev_lock);
 
 static void rfcomm_dev_data_ready(struct rfcomm_dlc *dlc, struct sk_buff *skb);
 static void rfcomm_dev_state_change(struct rfcomm_dlc *dlc, int err);
@@ -645,32 +645,26 @@ static void rfcomm_tty_close(struct tty_struct *tty, struct file *filp)
        rfcomm_dev_put(dev);
 }
 
-static int rfcomm_tty_write(struct tty_struct *tty, int from_user, const unsigned char *buf, int count)
+static int rfcomm_tty_write(struct tty_struct *tty, const unsigned char *buf, int count)
 {
        struct rfcomm_dev *dev = (struct rfcomm_dev *) tty->driver_data;
        struct rfcomm_dlc *dlc = dev->dlc;
        struct sk_buff *skb;
        int err = 0, sent = 0, size;
 
-       BT_DBG("tty %p from_user %d count %d", tty, from_user, count);
+       BT_DBG("tty %p count %d", tty, count);
 
        while (count) {
                size = min_t(uint, count, dlc->mtu);
 
-               if (from_user)
-                       skb = rfcomm_wmalloc(dev, size + RFCOMM_SKB_RESERVE, GFP_KERNEL);
-               else
-                       skb = rfcomm_wmalloc(dev, size + RFCOMM_SKB_RESERVE, GFP_ATOMIC);
+               skb = rfcomm_wmalloc(dev, size + RFCOMM_SKB_RESERVE, GFP_ATOMIC);
                
                if (!skb)
                        break;
 
                skb_reserve(skb, RFCOMM_SKB_HEAD_RESERVE);
 
-               if (from_user)
-                       copy_from_user(skb_put(skb, size), buf + sent, size);
-               else
-                       memcpy(skb_put(skb, size), buf + sent, size);
+               memcpy(skb_put(skb, size), buf + sent, size);
 
                if ((err = rfcomm_dlc_send(dlc, skb)) < 0) {
                        kfree_skb(skb);