can: Remove unnecessary alloc/OOM messages

alloc failures already get standardized OOM
messages and a dump_stack.

Signed-off-by: Joe Perches <[e-mail]>
Acked-by: Marc Kleine-Budde <[e-mail]>
Signed-off-by: David S. Miller <[e-mail]>

drivers/net/can/sja1000/ems_pci.c

···
 	/* Allocating card structures to hold addresses, ... */
 	card = kzalloc(sizeof(struct ems_pci_card), GFP_KERNEL);
 	if (card == NULL) {
-		dev_err(&pdev->dev, "Unable to allocate memory\n");
 		pci_disable_device(pdev);
 		return -ENOMEM;
 	}

drivers/net/can/sja1000/peak_pci.c

···
 	} else {
 		/* create the bit banging I2C adapter structure */
 		card = kzalloc(sizeof(struct peak_pciec_card), GFP_KERNEL);
-		if (!card) {
-			dev_err(&pdev->dev,
-				 "failed allocating memory for i2c chip\n");
+		if (!card)
 			return -ENOMEM;
-		}
 
 		card->cfg_base = chan->cfg_base;
 		card->reg_base = priv->reg_base;

drivers/net/can/sja1000/peak_pcmcia.c

···
 
 	card = kzalloc(sizeof(struct pcan_pccard), GFP_KERNEL);
 	if (!card) {
-		dev_err(&pdev->dev, "couldn't allocate card memory\n");
 		err = -ENOMEM;
 		goto probe_err_2;
 	}

drivers/net/can/sja1000/plx_pci.c

···
 	/* Allocate card structures to hold addresses, ... */
 	card = kzalloc(sizeof(*card), GFP_KERNEL);
 	if (!card) {
-		dev_err(&pdev->dev, "Unable to allocate memory\n");
 		pci_disable_device(pdev);
 		return -ENOMEM;
 	}

drivers/net/can/usb/ems_usb.c

···
 	}
 
 	dev->intr_in_buffer = kzalloc(INTR_IN_BUFFER_SIZE, GFP_KERNEL);
-	if (!dev->intr_in_buffer) {
-		dev_err(&intf->dev, "Couldn't alloc Intr buffer\n");
+	if (!dev->intr_in_buffer)
 		goto cleanup_intr_urb;
-	}
 
 	dev->tx_msg_buffer = kzalloc(CPC_HEADER_SIZE +
 				     sizeof(struct ems_cpc_msg), GFP_KERNEL);

drivers/net/can/usb/kvaser_usb.c

···
 
 	buf = kmalloc(sizeof(struct kvaser_msg), GFP_ATOMIC);
 	if (!buf) {
-		netdev_err(netdev, "No memory left for USB buffer\n");
 		usb_free_urb(urb);
 		return -ENOMEM;
 	}
···
 
 	buf = kmalloc(sizeof(struct kvaser_msg), GFP_ATOMIC);
 	if (!buf) {
-		netdev_err(netdev, "No memory left for USB buffer\n");
 		stats->tx_dropped++;
 		goto nobufmem;
 	}

drivers/net/can/usb/peak_usb/pcan_usb_core.c

···
 
 		buf = kmalloc(dev->adapter->rx_buffer_size, GFP_KERNEL);
 		if (!buf) {
-			netdev_err(netdev, "No memory left for USB buffer\n");
 			usb_free_urb(urb);
 			err = -ENOMEM;
 			break;
···
 
 		buf = kmalloc(dev->adapter->tx_buffer_size, GFP_KERNEL);
 		if (!buf) {
-			netdev_err(netdev, "No memory left for USB buffer\n");
 			usb_free_urb(urb);
 			err = -ENOMEM;
 			break;
···
 	/* also allocate enough space for the commands to send */
 	buf = kmalloc(PCAN_USB_MAX_CMD_LEN, GFP_ATOMIC);
 	if (!buf) {
-		netdev_err(dev->netdev, "no memory left for async cmd\n");
 		usb_free_urb(urb);
 		return -ENOMEM;
 	}
···
 	/* allocate a buffer large enough to send commands */
 	dev->cmd_buf = kmalloc(PCAN_USB_MAX_CMD_LEN, GFP_KERNEL);
 	if (!dev->cmd_buf) {
-		dev_err(&intf->dev, "%s: couldn't alloc cmd buffer\n",
-			PCAN_USB_DRIVER_NAME);
 		err = -ENOMEM;
 		goto lbl_set_intf_data;
 	}

drivers/net/can/usb/usb_8dev.c

···
 
 	priv->cmd_msg_buffer = kzalloc(sizeof(struct usb_8dev_cmd_msg),
 				      GFP_KERNEL);
-	if (!priv->cmd_msg_buffer) {
-		netdev_err(netdev, "Couldn't alloc Tx buffer\n");
+	if (!priv->cmd_msg_buffer)
 		goto cleanup_candev;
-	}
 
 	usb_set_intfdata(intf, priv);