From 32ec7f7b4eb1466100d59aaea8855d770af54327 Mon Sep 17 00:00:00 2001
From: Bernd Kuhls <bernd@kuhls.net>
Date: Sat, 8 Jul 2023 13:10:24 +0200
Subject: [PATCH] Fix build on Linux 6.4

Needed after upstream changes in kernel 6.4:
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/diff/include/linux/device/class.h?id=1aaba11da9aa

Upstream: https://github.com/nicupavel/emlog/pull/15

Signed-off-by: Bernd Kuhls <bernd@kuhls.net>
---
 emlog.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/emlog.c b/emlog.c
index 4462466..2ead738 100644
--- a/emlog.c
+++ b/emlog.c
@@ -500,7 +500,11 @@ static int __init emlog_init(void)
 
     pr_info("version %s running, major is %u, MINOR is %u, max size %d K.\n", EMLOG_VERSION, (unsigned)MAJOR(emlog_dev_type), (unsigned)MINOR(emlog_dev_type), emlog_max_size);
 
+#if LINUX_VERSION_CODE < KERNEL_VERSION(6, 4, 0)
     emlog_class = class_create(THIS_MODULE, DEVICE_NAME);
+#else
+    emlog_class = class_create(DEVICE_NAME);
+#endif
     if (emlog_class == NULL) {
         pr_err("Can not class_create.\n");
         ret_val = -4; goto emlog_init_error;
-- 
2.39.2