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| author | Al Viro <viro@zeniv.linux.org.uk> | 2015-12-06 04:04:48 +0100 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2015-12-23 16:41:31 +0100 |
| commit | b25472f9b96159cc0b9b7ed449448805973cd789 (patch) | |
| tree | 7963f6d5adc2a82f6f10b4f9cf427ce931f67c76 /drivers/usb/host/uhci-debug.c | |
| parent | don't open-code generic_file_llseek_size() (diff) | |
| download | linux-b25472f9b96159cc0b9b7ed449448805973cd789.tar.xz linux-b25472f9b96159cc0b9b7ed449448805973cd789.zip | |
new helpers: no_seek_end_llseek{,_size}()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'drivers/usb/host/uhci-debug.c')
| -rw-r--r-- | drivers/usb/host/uhci-debug.c | 23 |
1 files changed, 2 insertions, 21 deletions
diff --git a/drivers/usb/host/uhci-debug.c b/drivers/usb/host/uhci-debug.c index 1b28a000d5c6..9c6635d43db0 100644 --- a/drivers/usb/host/uhci-debug.c +++ b/drivers/usb/host/uhci-debug.c @@ -584,27 +584,8 @@ static int uhci_debug_open(struct inode *inode, struct file *file) static loff_t uhci_debug_lseek(struct file *file, loff_t off, int whence) { - struct uhci_debug *up; - loff_t new = -1; - - up = file->private_data; - - /* - * XXX: atomic 64bit seek access, but that needs to be fixed in the VFS - */ - switch (whence) { - case 0: - new = off; - break; - case 1: - new = file->f_pos + off; - break; - } - - if (new < 0 || new > up->size) - return -EINVAL; - - return (file->f_pos = new); + struct uhci_debug *up = file->private_data; + return no_seek_end_llseek_size(file, off, whence, up->size); } static ssize_t uhci_debug_read(struct file *file, char __user *buf, |