diff -urN linux-2.4.23-pre5/drivers/net/wireless/airo.c linux-2.4.23-pre5-new/drivers/net/wireless/airo.c
--- linux-2.4.23-pre5/drivers/net/wireless/airo.c	2003-09-29 21:46:38.000000000 +0200
+++ linux-2.4.23-pre5-new/drivers/net/wireless/airo.c	2003-09-29 22:35:38.000000000 +0200
@@ -202,7 +202,7 @@
 #ifndef RUN_AT
 #define RUN_AT(x) (jiffies+(x))
 #endif
-#if LINUX_VERSION_CODE < 0x020500
+#if LINUX_VERSION_CODE < 0x020417	/* 2.4.23 */
 static inline struct proc_dir_entry *PDE(const struct inode *inode)
 {
 	return inode->u.generic_ip;