From fa035da36e5b8e24a740753f34d8ed1eb2adff95 Mon Sep 17 00:00:00 2001
From: linD026 <0086d026@email.ntou.edu.tw>
Date: Mon, 13 Sep 2021 14:51:20 +0800
Subject: [PATCH] ioctl.c: Remove unnecessary initialization

The "alloc_chrdev_region" function will dynamically choose the
major number and store it at "dev". It is unnecessary to initialize
the "dev" before the "alloc_chrdev_region" function.
---
 examples/ioctl.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/examples/ioctl.c b/examples/ioctl.c
index 23b7ebc..2288e33 100644
--- a/examples/ioctl.c
+++ b/examples/ioctl.c
@@ -149,7 +149,7 @@ static struct file_operations fops = {
 
 static int ioctl_init(void)
 {
-    dev_t dev = MKDEV(test_ioctl_major, 0);
+    dev_t dev;
     int alloc_ret = 0;
     int cdev_ret = 0;
     alloc_ret = alloc_chrdev_region(&dev, 0, num_of_dev, DRIVER_NAME);
-- 
2.39.5