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path: root/drivers/net/can/usb/ems_usb.c
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Diffstat (limited to 'drivers/net/can/usb/ems_usb.c')
-rw-r--r--drivers/net/can/usb/ems_usb.c30
1 files changed, 13 insertions, 17 deletions
diff --git a/drivers/net/can/usb/ems_usb.c b/drivers/net/can/usb/ems_usb.c
index 3345109..1fc0871 100644
--- a/drivers/net/can/usb/ems_usb.c
+++ b/drivers/net/can/usb/ems_usb.c
@@ -300,8 +300,6 @@ static void ems_usb_read_interrupt_callback(struct urb *urb)
else if (err)
dev_err(netdev->dev.parent,
"failed resubmitting intr urb: %d\n", err);
-
- return;
}
static void ems_usb_rx_can_msg(struct ems_usb *dev, struct ems_cpc_msg *msg)
@@ -497,8 +495,6 @@ resubmit_urb:
else if (retval)
dev_err(netdev->dev.parent,
"failed resubmitting read bulk urb: %d\n", retval);
-
- return;
}
/*
@@ -516,8 +512,8 @@ static void ems_usb_write_bulk_callback(struct urb *urb)
netdev = dev->netdev;
/* free up our allocated buffer */
- usb_buffer_free(urb->dev, urb->transfer_buffer_length,
- urb->transfer_buffer, urb->transfer_dma);
+ usb_free_coherent(urb->dev, urb->transfer_buffer_length,
+ urb->transfer_buffer, urb->transfer_dma);
atomic_dec(&dev->active_tx_urbs);
@@ -614,8 +610,8 @@ static int ems_usb_start(struct ems_usb *dev)
return -ENOMEM;
}
- buf = usb_buffer_alloc(dev->udev, RX_BUFFER_SIZE, GFP_KERNEL,
- &urb->transfer_dma);
+ buf = usb_alloc_coherent(dev->udev, RX_BUFFER_SIZE, GFP_KERNEL,
+ &urb->transfer_dma);
if (!buf) {
dev_err(netdev->dev.parent,
"No memory left for USB buffer\n");
@@ -635,8 +631,8 @@ static int ems_usb_start(struct ems_usb *dev)
netif_device_detach(dev->netdev);
usb_unanchor_urb(urb);
- usb_buffer_free(dev->udev, RX_BUFFER_SIZE, buf,
- urb->transfer_dma);
+ usb_free_coherent(dev->udev, RX_BUFFER_SIZE, buf,
+ urb->transfer_dma);
break;
}
@@ -777,7 +773,7 @@ static netdev_tx_t ems_usb_start_xmit(struct sk_buff *skb, struct net_device *ne
goto nomem;
}
- buf = usb_buffer_alloc(dev->udev, size, GFP_ATOMIC, &urb->transfer_dma);
+ buf = usb_alloc_coherent(dev->udev, size, GFP_ATOMIC, &urb->transfer_dma);
if (!buf) {
dev_err(netdev->dev.parent, "No memory left for USB buffer\n");
usb_free_urb(urb);
@@ -820,7 +816,7 @@ static netdev_tx_t ems_usb_start_xmit(struct sk_buff *skb, struct net_device *ne
*/
if (!context) {
usb_unanchor_urb(urb);
- usb_buffer_free(dev->udev, size, buf, urb->transfer_dma);
+ usb_free_coherent(dev->udev, size, buf, urb->transfer_dma);
dev_warn(netdev->dev.parent, "couldn't find free context\n");
@@ -845,7 +841,7 @@ static netdev_tx_t ems_usb_start_xmit(struct sk_buff *skb, struct net_device *ne
can_free_echo_skb(netdev, context->echo_index);
usb_unanchor_urb(urb);
- usb_buffer_free(dev->udev, size, buf, urb->transfer_dma);
+ usb_free_coherent(dev->udev, size, buf, urb->transfer_dma);
dev_kfree_skb(skb);
atomic_dec(&dev->active_tx_urbs);
@@ -1006,7 +1002,7 @@ static int ems_usb_probe(struct usb_interface *intf,
netdev = alloc_candev(sizeof(struct ems_usb), MAX_TX_URBS);
if (!netdev) {
- dev_err(netdev->dev.parent, "Couldn't alloc candev\n");
+ dev_err(&intf->dev, "ems_usb: Couldn't alloc candev\n");
return -ENOMEM;
}
@@ -1036,20 +1032,20 @@ static int ems_usb_probe(struct usb_interface *intf,
dev->intr_urb = usb_alloc_urb(0, GFP_KERNEL);
if (!dev->intr_urb) {
- dev_err(netdev->dev.parent, "Couldn't alloc intr URB\n");
+ dev_err(&intf->dev, "Couldn't alloc intr URB\n");
goto cleanup_candev;
}
dev->intr_in_buffer = kzalloc(INTR_IN_BUFFER_SIZE, GFP_KERNEL);
if (!dev->intr_in_buffer) {
- dev_err(netdev->dev.parent, "Couldn't alloc Intr buffer\n");
+ dev_err(&intf->dev, "Couldn't alloc Intr buffer\n");
goto cleanup_intr_urb;
}
dev->tx_msg_buffer = kzalloc(CPC_HEADER_SIZE +
sizeof(struct ems_cpc_msg), GFP_KERNEL);
if (!dev->tx_msg_buffer) {
- dev_err(netdev->dev.parent, "Couldn't alloc Tx buffer\n");
+ dev_err(&intf->dev, "Couldn't alloc Tx buffer\n");
goto cleanup_intr_in_buffer;
}