diff options
| author | Al Viro <viro@zeniv.linux.org.uk> | 2015-12-05 22:04:48 -0500 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2015-12-23 10:41:31 -0500 |
| commit | b25472f9b96159cc0b9b7ed449448805973cd789 (patch) | |
| tree | 7963f6d5adc2a82f6f10b4f9cf427ce931f67c76 /drivers/usb/core/devio.c | |
| parent | b808b1d632f6915e4d6b1badb927b2c970ad11bb (diff) | |
new helpers: no_seek_end_llseek{,_size}()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'drivers/usb/core/devio.c')
| -rw-r--r-- | drivers/usb/core/devio.c | 26 |
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) ps->dev->state != USB_STATE_NOTATTACHED); } -static loff_t usbdev_lseek(struct file *file, loff_t offset, int orig) -{ - loff_t ret; - - mutex_lock(&file_inode(file)->i_mutex); - - switch (orig) { - case 0: - file->f_pos = offset; - ret = file->f_pos; - break; - case 1: - file->f_pos += offset; - ret = file->f_pos; - break; - case 2: - default: - ret = -EINVAL; - } - - mutex_unlock(&file_inode(file)->i_mutex); - return ret; -} - static ssize_t usbdev_read(struct file *file, char __user *buf, size_t nbytes, loff_t *ppos) { @@ -2366,7 +2342,7 @@ static unsigned int usbdev_poll(struct file *file, const struct file_operations usbdev_file_operations = { .owner = THIS_MODULE, - .llseek = usbdev_lseek, + .llseek = no_seek_end_llseek, .read = usbdev_read, .poll = usbdev_poll, .unlocked_ioctl = usbdev_ioctl, |