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path: root/drivers/usb/core/devio.c
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Diffstat (limited to 'drivers/usb/core/devio.c')
-rw-r--r--drivers/usb/core/devio.c26
1 files changed, 1 insertions, 25 deletions
diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
index 38ae877c46e3..dbc3e143453a 100644
--- a/drivers/usb/core/devio.c
+++ b/drivers/usb/core/devio.c
@@ -157,30 +157,6 @@ static int connected(struct usb_dev_state *ps)
157 ps->dev->state != USB_STATE_NOTATTACHED); 157 ps->dev->state != USB_STATE_NOTATTACHED);
158} 158}
159 159
160static loff_t usbdev_lseek(struct file *file, loff_t offset, int orig)
161{
162 loff_t ret;
163
164 mutex_lock(&file_inode(file)->i_mutex);
165
166 switch (orig) {
167 case 0:
168 file->f_pos = offset;
169 ret = file->f_pos;
170 break;
171 case 1:
172 file->f_pos += offset;
173 ret = file->f_pos;
174 break;
175 case 2:
176 default:
177 ret = -EINVAL;
178 }
179
180 mutex_unlock(&file_inode(file)->i_mutex);
181 return ret;
182}
183
184static ssize_t usbdev_read(struct file *file, char __user *buf, size_t nbytes, 160static ssize_t usbdev_read(struct file *file, char __user *buf, size_t nbytes,
185 loff_t *ppos) 161 loff_t *ppos)
186{ 162{
@@ -2366,7 +2342,7 @@ static unsigned int usbdev_poll(struct file *file,
2366 2342
2367const struct file_operations usbdev_file_operations = { 2343const struct file_operations usbdev_file_operations = {
2368 .owner = THIS_MODULE, 2344 .owner = THIS_MODULE,
2369 .llseek = usbdev_lseek, 2345 .llseek = no_seek_end_llseek,
2370 .read = usbdev_read, 2346 .read = usbdev_read,
2371 .poll = usbdev_poll, 2347 .poll = usbdev_poll,
2372 .unlocked_ioctl = usbdev_ioctl, 2348 .unlocked_ioctl = usbdev_ioctl,