cpqphp_sysfs: switch to fixed_size_llseek()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/drivers/pci/hotplug/cpqphp_sysfs.c b/drivers/pci/hotplug/cpqphp_sysfs.c
index 4cb3044..17c1f36 100644
--- a/drivers/pci/hotplug/cpqphp_sysfs.c
+++ b/drivers/pci/hotplug/cpqphp_sysfs.c
@@ -167,26 +167,8 @@
static loff_t lseek(struct file *file, loff_t off, int whence)
{
- struct ctrl_dbg *dbg;
- loff_t new = -1;
-
- mutex_lock(&cpqphp_mutex);
- dbg = file->private_data;
-
- switch (whence) {
- case 0:
- new = off;
- break;
- case 1:
- new = file->f_pos + off;
- break;
- }
- if (new < 0 || new > dbg->size) {
- mutex_unlock(&cpqphp_mutex);
- return -EINVAL;
- }
- mutex_unlock(&cpqphp_mutex);
- return (file->f_pos = new);
+ struct ctrl_dbg *dbg = file->private_data;
+ return fixed_size_llseek(file, off, whence, dbg->size);
}
static ssize_t read(struct file *file, char __user *buf,