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path: root/drivers/net/usb
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Diffstat (limited to 'drivers/net/usb')
-rw-r--r--drivers/net/usb/cdc_ether.c8
-rw-r--r--drivers/net/usb/dm9601.c11
-rw-r--r--drivers/net/usb/usbnet.c9
3 files changed, 15 insertions, 13 deletions
diff --git a/drivers/net/usb/cdc_ether.c b/drivers/net/usb/cdc_ether.c
index 675ac99a79c..a42acc3cc60 100644
--- a/drivers/net/usb/cdc_ether.c
+++ b/drivers/net/usb/cdc_ether.c
@@ -144,14 +144,14 @@ int usbnet_generic_cdc_bind(struct usbnet *dev, struct usb_interface *intf)
* modem interface from an RNDIS non-modem.
*/
if (rndis) {
- struct usb_cdc_acm_descriptor *d;
+ struct usb_cdc_acm_descriptor *acm;
- d = (void *) buf;
- if (d->bmCapabilities) {
+ acm = (void *) buf;
+ if (acm->bmCapabilities) {
dev_dbg(&intf->dev,
"ACM capabilities %02x, "
"not really RNDIS?\n",
- d->bmCapabilities);
+ acm->bmCapabilities);
goto bad_desc;
}
}
diff --git a/drivers/net/usb/dm9601.c b/drivers/net/usb/dm9601.c
index a6763860147..16c7a0e8785 100644
--- a/drivers/net/usb/dm9601.c
+++ b/drivers/net/usb/dm9601.c
@@ -414,18 +414,16 @@ static int dm9601_bind(struct usbnet *dev, struct usb_interface *intf)
dev->mii.reg_num_mask = 0x1f;
/* reset */
- ret = dm_write_reg(dev, DM_NET_CTRL, 1);
+ dm_write_reg(dev, DM_NET_CTRL, 1);
udelay(20);
/* read MAC */
- ret = dm_read(dev, DM_PHY_ADDR, ETH_ALEN, dev->net->dev_addr);
- if (ret < 0) {
+ if (dm_read(dev, DM_PHY_ADDR, ETH_ALEN, dev->net->dev_addr) < 0) {
printk(KERN_ERR "Error reading MAC address\n");
ret = -ENODEV;
goto out;
}
-
/* power up phy */
dm_write_reg(dev, DM_GPR_CTRL, 1);
dm_write_reg(dev, DM_GPR_DATA, 0);
@@ -489,6 +487,8 @@ static struct sk_buff *dm9601_tx_fixup(struct usbnet *dev, struct sk_buff *skb,
b3..n: packet data
*/
+ len = skb->len;
+
if (skb_headroom(skb) < DM_TX_OVERHEAD) {
struct sk_buff *skb2;
@@ -501,10 +501,9 @@ static struct sk_buff *dm9601_tx_fixup(struct usbnet *dev, struct sk_buff *skb,
__skb_push(skb, DM_TX_OVERHEAD);
- len = skb->len;
/* usbnet adds padding if length is a multiple of packet size
if so, adjust length value in header */
- if ((len % dev->maxpacket) == 0)
+ if ((skb->len % dev->maxpacket) == 0)
len++;
skb->data[0] = len;
diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c
index 5b16d9a1269..a12f576391c 100644
--- a/drivers/net/usb/usbnet.c
+++ b/drivers/net/usb/usbnet.c
@@ -953,11 +953,14 @@ static int usbnet_start_xmit (struct sk_buff *skb, struct net_device *net)
/* don't assume the hardware handles USB_ZERO_PACKET
* NOTE: strictly conforming cdc-ether devices should expect
* the ZLP here, but ignore the one-byte packet.
- *
- * FIXME zero that byte, if it doesn't require a new skb.
*/
- if ((length % dev->maxpacket) == 0)
+ if ((length % dev->maxpacket) == 0) {
urb->transfer_buffer_length++;
+ if (skb_tailroom(skb)) {
+ skb->data[skb->len] = 0;
+ __skb_put(skb, 1);
+ }
+ }
spin_lock_irqsave (&dev->txq.lock, flags);