compatibility with class_create API change in 6.4-rc1

Linux kernel 6.4-rc1 has an API change for the class_create() function.

See upstream kernel git commit 1aaba11da9aa7d7d6b52a74d45b31cac118295a1

Change-Id: I5f7d25aa7516c470b943b9e8dfba20ca4206e378
---
M drivers/dahdi/dahdi-sysfs-chan.c
1 file changed, 18 insertions(+), 0 deletions(-)

diff --git a/drivers/dahdi/dahdi-sysfs-chan.c b/drivers/dahdi/dahdi-sysfs-chan.c
index 8682ea3..fcfb7ba 100644
--- a/drivers/dahdi/dahdi-sysfs-chan.c
+++ b/drivers/dahdi/dahdi-sysfs-chan.c
@@ -483,7 +483,12 @@
 	}
 	should_cleanup.channel_driver = 1;
 
+/* see linux kernel commit 1aaba11da9aa7d7d6b52a74d45b31cac118295a1 */
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(6, 4, 0)
+	dahdi_class = class_create("dahdi");
+#else
 	dahdi_class = class_create(THIS_MODULE, "dahdi");
+#endif
 	if (IS_ERR(dahdi_class)) {
 		res = PTR_ERR(dahdi_class);
 		dahdi_err("%s: class_create(dahi_chan) failed. Error: %d\n",

