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path: root/drivers/usb/usb-skeleton.c
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Diffstat (limited to 'drivers/usb/usb-skeleton.c')
-rw-r--r--drivers/usb/usb-skeleton.c36
1 files changed, 22 insertions, 14 deletions
diff --git a/drivers/usb/usb-skeleton.c b/drivers/usb/usb-skeleton.c
index b4a71679c93..0616f235bd6 100644
--- a/drivers/usb/usb-skeleton.c
+++ b/drivers/usb/usb-skeleton.c
@@ -93,8 +93,8 @@ 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",
- __func__, subminor);
+ pr_err("%s - error, can't find device for minor %d\n",
+ __func__, subminor);
retval = -ENODEV;
goto exit;
}
@@ -179,8 +179,9 @@ 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",
- __func__, urb->status);
+ dev_err(&dev->interface->dev,
+ "%s - nonzero write bulk status received: %d\n",
+ __func__, urb->status);
dev->errors = urb->status;
} else {
@@ -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;
@@ -364,8 +366,9 @@ 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",
- __func__, urb->status);
+ dev_err(&dev->interface->dev,
+ "%s - nonzero write bulk status received: %d\n",
+ __func__, urb->status);
spin_lock(&dev->err_lock);
dev->errors = urb->status;
@@ -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;
}