pci/proc: switch to fixed_size_llseek()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/drivers/pci/proc.c b/drivers/pci/proc.c
index 0812608..cdc7836 100644
--- a/drivers/pci/proc.c
+++ b/drivers/pci/proc.c
@@ -20,27 +20,8 @@
static loff_t
proc_bus_pci_lseek(struct file *file, loff_t off, int whence)
{
- loff_t new = -1;
- struct inode *inode = file_inode(file);
-
- mutex_lock(&inode->i_mutex);
- switch (whence) {
- case 0:
- new = off;
- break;
- case 1:
- new = file->f_pos + off;
- break;
- case 2:
- new = inode->i_size + off;
- break;
- }
- if (new < 0 || new > inode->i_size)
- new = -EINVAL;
- else
- file->f_pos = new;
- mutex_unlock(&inode->i_mutex);
- return new;
+ struct pci_dev *dev = PDE_DATA(file_inode(file));
+ return fixed_size_llseek(file, off, whence, dev->cfg_size);
}
static ssize_t