zorro: switch to fixed_size_llseek()
authorAl Viro <viro@zeniv.linux.org.uk>
Sat, 22 Jun 2013 08:10:22 +0000 (12:10 +0400)
committerAl Viro <viro@zeniv.linux.org.uk>
Sat, 29 Jun 2013 08:57:28 +0000 (12:57 +0400)
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
drivers/zorro/proc.c

index 1c15ee7456b6cdce859189daaafd9dd7177f831e..ea1ce822a8e0437120184a8e559bd0495860c7b7 100644 (file)
 static loff_t
 proc_bus_zorro_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 = sizeof(struct ConfigDev) + off;
-               break;
-       }
-       if (new < 0 || new > sizeof(struct ConfigDev))
-               new = -EINVAL;
-       else
-               file->f_pos = new;
-       mutex_unlock(&inode->i_mutex);
-       return new;
+       return fixed_size_llseek(file, off, whence, sizeof(struct ConfigDev));
 }
 
 static ssize_t