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path: root/drivers/usb
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Diffstat (limited to 'drivers/usb')
-rw-r--r--drivers/usb/gadget/f_phonet.c21
-rw-r--r--drivers/usb/gadget/u_ether.c2
2 files changed, 8 insertions, 15 deletions
diff --git a/drivers/usb/gadget/f_phonet.c b/drivers/usb/gadget/f_phonet.c
index c1abeb89b413..96fb118355b0 100644
--- a/drivers/usb/gadget/f_phonet.c
+++ b/drivers/usb/gadget/f_phonet.c
@@ -188,8 +188,7 @@ static struct usb_descriptor_header *hs_pn_function[] = {
static int pn_net_open(struct net_device *dev)
{
- if (netif_carrier_ok(dev))
- netif_wake_queue(dev);
+ netif_wake_queue(dev);
return 0;
}
@@ -219,8 +218,7 @@ static void pn_tx_complete(struct usb_ep *ep, struct usb_request *req)
}
dev_kfree_skb_any(skb);
- if (netif_carrier_ok(dev))
- netif_wake_queue(dev);
+ netif_wake_queue(dev);
}
static int pn_net_xmit(struct sk_buff *skb, struct net_device *dev)
@@ -255,7 +253,7 @@ out_unlock:
spin_unlock_irqrestore(&port->lock, flags);
out:
if (unlikely(skb)) {
- dev_kfree_skb_any(skb);
+ dev_kfree_skb(skb);
dev->stats.tx_dropped++;
}
return 0;
@@ -383,7 +381,6 @@ static void __pn_reset(struct usb_function *f)
struct phonet_port *port = netdev_priv(dev);
netif_carrier_off(dev);
- netif_stop_queue(dev);
port->usb = NULL;
usb_ep_disable(fp->out_ep);
@@ -427,8 +424,6 @@ static int pn_set_alt(struct usb_function *f, unsigned intf, unsigned alt)
fp->in_ep->driver_data = fp;
netif_carrier_on(dev);
- if (netif_running(dev))
- netif_wake_queue(dev);
for (i = 0; i < phonet_rxq_size; i++)
pn_rx_submit(fp, fp->out_reqv[i], GFP_ATOMIC);
}
@@ -574,9 +569,10 @@ static struct net_device *dev;
int __init phonet_bind_config(struct usb_configuration *c)
{
struct f_phonet *fp;
- int err;
+ int err, size;
- fp = kzalloc(sizeof(*fp), GFP_KERNEL);
+ size = sizeof(*fp) + (phonet_rxq_size * sizeof(struct usb_request *));
+ fp = kzalloc(size, GFP_KERNEL);
if (!fp)
return -ENOMEM;
@@ -601,16 +597,13 @@ int __init gphonet_setup(struct usb_gadget *gadget)
/* Create net device */
BUG_ON(dev);
- dev = alloc_netdev(sizeof(*port)
- + (phonet_rxq_size * sizeof(struct usb_request *)),
- "upnlink%d", pn_net_setup);
+ dev = alloc_netdev(sizeof(*port), "upnlink%d", pn_net_setup);
if (!dev)
return -ENOMEM;
port = netdev_priv(dev);
spin_lock_init(&port->lock);
netif_carrier_off(dev);
- netif_stop_queue(dev);
SET_NETDEV_DEV(dev, &gadget->dev);
err = register_netdev(dev);
diff --git a/drivers/usb/gadget/u_ether.c b/drivers/usb/gadget/u_ether.c
index 4007770f7ed2..016f63b39028 100644
--- a/drivers/usb/gadget/u_ether.c
+++ b/drivers/usb/gadget/u_ether.c
@@ -520,7 +520,7 @@ static int eth_start_xmit(struct sk_buff *skb, struct net_device *net)
*/
if (list_empty(&dev->tx_reqs)) {
spin_unlock_irqrestore(&dev->req_lock, flags);
- return 1;
+ return NETDEV_TX_BUSY;
}
req = container_of(dev->tx_reqs.next, struct usb_request, list);