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 (file)
--- a/drivers/pci/hotplug/cpqphp_sysfs.c
+++ b/drivers/pci/hotplug/cpqphp_sysfs.c
@@ -167,26 +167,8 @@ exit:
 
 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,