input: Fix a warning in input.c when CONFIG_PROC_FS is not set.

drivers/input/input.c

@@ -678,20 +678,10 @@ static int input_handlers_read(char *buf, char **start, off_t pos, int count, in
 	return (count > cnt) ? cnt : count;
 }
 
-#endif
-
-struct class input_class = {
-	.name		= "input",
-};
-
-static int __init input_init(void)
+static int __init input_proc_init(void)
 {
 	struct proc_dir_entry *entry;
-	int retval = -ENOMEM;
-
-	class_register(&input_class);
 
-#ifdef CONFIG_PROC_FS
 	proc_bus_input_dir = proc_mkdir("input", proc_bus);
 	if (proc_bus_input_dir == NULL)
 		return -ENOMEM;
@@ -710,7 +700,22 @@ static int __init input_init(void)
 		return -ENOMEM;
 	}
 	entry->owner = THIS_MODULE;
+	return 0;
+}
+#else /* !CONFIG_PROC_FS */
+static inline int input_proc_init(void) { return 0; }
 #endif
+
+struct class input_class = {
+	.name		= "input",
+};
+
+static int __init input_init(void)
+{
+	int retval = -ENOMEM;
+
+	class_register(&input_class);
+	input_proc_init();
 	retval = register_chrdev(INPUT_MAJOR, "input", &input_fops);
 	if (retval) {
 		printk(KERN_ERR "input: unable to register char major %d", INPUT_MAJOR);