From: Felix Lee <felix@ivnss.com>
Date: Thu, 21 Sep 2023 03:21:53 +0000 (+0800)
Subject: patch examples/chardev2.c file
X-Git-Url: https://www.ivnss.com/gitweb/?a=commitdiff_plain;h=11195af40e4f2ce02f8a0317809798177d98e749;p=lkmpgcn

patch examples/chardev2.c file
---

diff --git a/examples/chardev2.c b/examples/chardev2.c
index c77b255..1be9290 100644
--- a/examples/chardev2.c
+++ b/examples/chardev2.c
@@ -12,6 +12,7 @@
 #include <linux/printk.h>
 #include <linux/types.h>
 #include <linux/uaccess.h> /* for get_user and put_user */
+#include <linux/version.h>
 
 #include <asm/errno.h>
 
@@ -205,7 +206,11 @@ static int __init chardev2_init(void)
         return ret_val;
     }
 
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(6, 4, 0)
+    cls = class_create(DEVICE_FILE_NAME);
+#else
     cls = class_create(THIS_MODULE, DEVICE_FILE_NAME);
+#endif
     device_create(cls, NULL, MKDEV(MAJOR_NUM, 0), NULL, DEVICE_FILE_NAME);
 
     pr_info("Device created on /dev/%s\n", DEVICE_FILE_NAME);