slsm: passtfs: remove unused profiles_read()

security/slsm/passtfs.c

@@ -74,52 +74,6 @@ static ssize_t profiles_write(struct file *f, const char __user *buf, size_t siz
 }
 
 
-/**
- * profiles_read - called when user reads profiles file
- * TODO: dump tree when slsm_dump_tree works
- *
- * @file:
- * @buf: userland buffer
- * @count: size of buf
- * @ppos: position in file
- */
-static ssize_t profiles_read(struct file *file, char __user *buf,
-			     size_t count, loff_t *ppos)
-{
-#if 0
-	char *dump_buf;
-	loff_t pos = *ppos;
-	loff_t len;
-
-	dump_buf = kmalloc(count, GFP_KERNEL);
-	if (!dump_buf) {
-		printk(KERN_ERR "slsm: faild to alloc memory for tree dumping \n");
-		return -ENOMEM;
-	}
-	len = slsm_dump_tree(dump_buf, count);
-
-	if (!count || pos > count) {
-		kfree(dump_buf);
-		return 0;
-	}
-
-	len -= pos;
-	if (count < len)
-		len = count;
-
-	if (copy_to_user(buf, dump_buf, len)) {
-		kfree(dump_buf);
-		return -EFAULT;
-	}
-
-	*ppos += len;
-
-	kfree(dump_buf);
-
-	return bytes_read;
-#endif
-	return -EPERM;
-}
 /** profiles_release - called when profiles file is closed
  *  resets device_open flag.i and kicks off the tree build
  *
@@ -147,7 +101,6 @@ int profiles_release(struct inode *inode, struct file *file)
 static const struct file_operations fs_fops_profiles = {
 	.owner = THIS_MODULE,
 	.open = profiles_open,
-	.read = profiles_read,
 	.write = profiles_write,
 	.release = profiles_release,
 };