From: linD026 <0086d026@email.ntou.edu.tw>
Date: Mon, 13 Sep 2021 06:51:20 +0000 (+0800)
Subject: ioctl.c: Remove unnecessary initialization
X-Git-Tag: latest~103^2
X-Git-Url: https://www.ivnss.com/gitweb/?a=commitdiff_plain;h=fa035da36e5b8e24a740753f34d8ed1eb2adff95;p=lkmpg

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.
---

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);