--- zzzz-none-000/linux-3.10.107/drivers/net/wan/x25_asy.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/net/wan/x25_asy.h	2021-02-04 17:41:59.000000000 +0000
@@ -41,6 +41,6 @@
 
 #define X25_ASY_MAGIC 0x5303
 
-extern int x25_asy_init(struct net_device *dev);
+int x25_asy_init(struct net_device *dev);
 
 #endif	/* _LINUX_X25_ASY.H */