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path: root/drivers/net/usb/kaweth.c
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Diffstat (limited to 'drivers/net/usb/kaweth.c')
-rw-r--r--drivers/net/usb/kaweth.c25
1 files changed, 7 insertions, 18 deletions
diff --git a/drivers/net/usb/kaweth.c b/drivers/net/usb/kaweth.c
index 770212baaf05..66b34ddbe216 100644
--- a/drivers/net/usb/kaweth.c
+++ b/drivers/net/usb/kaweth.c
@@ -265,8 +265,6 @@ static int kaweth_control(struct kaweth_device *kaweth,
struct usb_ctrlrequest *dr;
int retval;
- netdev_dbg(kaweth->net, "kaweth_control()\n");
-
if(in_interrupt()) {
netdev_dbg(kaweth->net, "in_interrupt()\n");
return -EBUSY;
@@ -300,8 +298,6 @@ static int kaweth_read_configuration(struct kaweth_device *kaweth)
{
int retval;
- netdev_dbg(kaweth->net, "Reading kaweth configuration\n");
-
retval = kaweth_control(kaweth,
usb_rcvctrlpipe(kaweth->dev, 0),
KAWETH_COMMAND_GET_ETHERNET_DESC,
@@ -451,8 +447,6 @@ static int kaweth_trigger_firmware(struct kaweth_device *kaweth,
kaweth->firmware_buf[6] = 0x00;
kaweth->firmware_buf[7] = 0x00;
- netdev_dbg(kaweth->net, "Triggering firmware\n");
-
return kaweth_control(kaweth,
usb_sndctrlpipe(kaweth->dev, 0),
KAWETH_COMMAND_SCAN,
@@ -471,7 +465,6 @@ static int kaweth_reset(struct kaweth_device *kaweth)
{
int result;
- netdev_dbg(kaweth->net, "kaweth_reset(%p)\n", kaweth);
result = usb_reset_configuration(kaweth->dev);
mdelay(10);
@@ -685,8 +678,6 @@ static int kaweth_open(struct net_device *net)
struct kaweth_device *kaweth = netdev_priv(net);
int res;
- netdev_dbg(kaweth->net, "Opening network device.\n");
-
res = usb_autopm_get_interface(kaweth->intf);
if (res) {
dev_err(&kaweth->intf->dev, "Interface cannot be resumed.\n");
@@ -951,7 +942,6 @@ static int kaweth_suspend(struct usb_interface *intf, pm_message_t message)
struct kaweth_device *kaweth = usb_get_intfdata(intf);
unsigned long flags;
- dev_dbg(&intf->dev, "Suspending device\n");
spin_lock_irqsave(&kaweth->device_lock, flags);
kaweth->status |= KAWETH_STATUS_SUSPENDING;
spin_unlock_irqrestore(&kaweth->device_lock, flags);
@@ -968,7 +958,6 @@ static int kaweth_resume(struct usb_interface *intf)
struct kaweth_device *kaweth = usb_get_intfdata(intf);
unsigned long flags;
- dev_dbg(&intf->dev, "Resuming device\n");
spin_lock_irqsave(&kaweth->device_lock, flags);
kaweth->status &= ~KAWETH_STATUS_SUSPENDING;
spin_unlock_irqrestore(&kaweth->device_lock, flags);
@@ -1009,6 +998,7 @@ static int kaweth_probe(
struct net_device *netdev;
const eth_addr_t bcast_addr = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
int result = 0;
+ int rv = -EIO;
dev_dbg(dev,
"Kawasaki Device Probe (Device number:%d): 0x%4.4x:0x%4.4x:0x%4.4x\n",
@@ -1029,6 +1019,7 @@ static int kaweth_probe(
kaweth = netdev_priv(netdev);
kaweth->dev = udev;
kaweth->net = netdev;
+ kaweth->intf = intf;
spin_lock_init(&kaweth->device_lock);
init_waitqueue_head(&kaweth->term_wait);
@@ -1048,6 +1039,10 @@ static int kaweth_probe(
/* Download the firmware */
dev_info(dev, "Downloading firmware...\n");
kaweth->firmware_buf = (__u8 *)__get_free_page(GFP_KERNEL);
+ if (!kaweth->firmware_buf) {
+ rv = -ENOMEM;
+ goto err_free_netdev;
+ }
if ((result = kaweth_download_firmware(kaweth,
"kaweth/new_code.bin",
100,
@@ -1139,8 +1134,6 @@ err_fw:
dev_dbg(dev, "Initializing net device.\n");
- kaweth->intf = intf;
-
kaweth->tx_urb = usb_alloc_urb(0, GFP_KERNEL);
if (!kaweth->tx_urb)
goto err_free_netdev;
@@ -1186,8 +1179,6 @@ err_fw:
dev_info(dev, "kaweth interface created at %s\n",
kaweth->net->name);
- dev_dbg(dev, "Kaweth probe returning.\n");
-
return 0;
err_intfdata:
@@ -1204,7 +1195,7 @@ err_only_tx:
err_free_netdev:
free_netdev(netdev);
- return -EIO;
+ return rv;
}
/****************************************************************
@@ -1215,8 +1206,6 @@ static void kaweth_disconnect(struct usb_interface *intf)
struct kaweth_device *kaweth = usb_get_intfdata(intf);
struct net_device *netdev;
- dev_info(&intf->dev, "Unregistering\n");
-
usb_set_intfdata(intf, NULL);
if (!kaweth) {
dev_warn(&intf->dev, "unregistering non-existent device\n");