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Commit 4212cd74 authored by Greg Kroah-Hartman's avatar Greg Kroah-Hartman
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USB: usb-skeleton.c: remove err() usage 



err() was a very old USB-specific macro that I thought had
gone away.  This patch removes it from being used in the
driver and uses dev_err() instead.

Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent d57b1772

drivers/usb/usb-skeleton.c

+22 −14
Original line number Diff line number Diff line
@@ -93,7 +93,7 @@ static int skel_open(struct inode *inode, struct file *file) 


	interface = usb_find_interface(&skel_driver, subminor);

	if (!interface) {

		err("%s - error, can't find device for minor %d",

		pr_err("%s - error, can't find device for minor %d\n",

			__func__, subminor);

		retval = -ENODEV;

		goto exit;
@@ -179,7 +179,8 @@ static void skel_read_bulk_callback(struct urb *urb) 
		if (!(urb->status == -ENOENT ||

		    urb->status == -ECONNRESET ||

		    urb->status == -ESHUTDOWN))

			err("%s - nonzero write bulk status received: %d",

			dev_err(&dev->interface->dev,

				"%s - nonzero write bulk status received: %d\n",

				__func__, urb->status);



		dev->errors = urb->status;
@@ -213,7 +214,8 @@ static int skel_do_read_io(struct usb_skel *dev, size_t count) 
	/* do it */

	rv = usb_submit_urb(dev->bulk_in_urb, GFP_KERNEL);

	if (rv < 0) {

		err("%s - failed submitting read urb, error %d",

		dev_err(&dev->interface->dev,

			"%s - failed submitting read urb, error %d\n",

			__func__, rv);

		dev->bulk_in_filled = 0;

		rv = (rv == -ENOMEM) ? rv : -EIO;
@@ -364,7 +366,8 @@ static void skel_write_bulk_callback(struct urb *urb) 
		if (!(urb->status == -ENOENT ||

		    urb->status == -ECONNRESET ||

		    urb->status == -ESHUTDOWN))

			err("%s - nonzero write bulk status received: %d",

			dev_err(&dev->interface->dev,

				"%s - nonzero write bulk status received: %d\n",

				__func__, urb->status);



		spin_lock(&dev->err_lock);
@@ -459,8 +462,9 @@ static ssize_t skel_write(struct file *file, const char *user_buffer, 
	retval = usb_submit_urb(urb, GFP_KERNEL);

	mutex_unlock(&dev->io_mutex);

	if (retval) {

		err("%s - failed submitting write urb, error %d", __func__,

		    retval);

		dev_err(&dev->interface->dev,

			"%s - failed submitting write urb, error %d\n",

			__func__, retval);

		goto error_unanchor;

	}
@@ -519,7 +523,7 @@ static int skel_probe(struct usb_interface *interface, 
	/* allocate memory for our device state and initialize it */

	dev = kzalloc(sizeof(*dev), GFP_KERNEL);

	if (!dev) {

		err("Out of memory");

		dev_err(&interface->dev, "Out of memory\n");

		goto error;

	}

	kref_init(&dev->kref);
@@ -546,12 +550,14 @@ static int skel_probe(struct usb_interface *interface, 
			dev->bulk_in_endpointAddr = endpoint->bEndpointAddress;

			dev->bulk_in_buffer = kmalloc(buffer_size, GFP_KERNEL);

			if (!dev->bulk_in_buffer) {

				err("Could not allocate bulk_in_buffer");

				dev_err(&interface->dev,

					"Could not allocate bulk_in_buffer\n");

				goto error;

			}

			dev->bulk_in_urb = usb_alloc_urb(0, GFP_KERNEL);

			if (!dev->bulk_in_urb) {

				err("Could not allocate bulk_in_urb");

				dev_err(&interface->dev,

					"Could not allocate bulk_in_urb\n");

				goto error;

			}

		}
@@ -563,7 +569,8 @@ static int skel_probe(struct usb_interface *interface, 
		}

	}

	if (!(dev->bulk_in_endpointAddr && dev->bulk_out_endpointAddr)) {

		err("Could not find both bulk-in and bulk-out endpoints");

		dev_err(&interface->dev,

			"Could not find both bulk-in and bulk-out endpoints\n");

		goto error;

	}
@@ -574,7 +581,8 @@ static int skel_probe(struct usb_interface *interface, 
	retval = usb_register_dev(interface, &skel_class);

	if (retval) {

		/* something prevented us from registering this driver */

		err("Not able to get a minor for this device.");

		dev_err(&interface->dev,

			"Not able to get a minor for this device.\n");

		usb_set_intfdata(interface, NULL);

		goto error;

	}