===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/ssh/PROTOCOL.u2f,v
retrieving revision 1.17
retrieving revision 1.18
diff -u -r1.17 -r1.18
--- src/usr.bin/ssh/PROTOCOL.u2f	2020/01/06 02:00:46	1.17
+++ src/usr.bin/ssh/PROTOCOL.u2f	2020/01/25 23:13:09	1.18
@@ -249,6 +249,7 @@
 	#define SSH_SK_ERR_GENERAL		-1
 	#define SSH_SK_ERR_UNSUPPORTED		-2
 	#define SSH_SK_ERR_PIN_REQUIRED		-3
+	#define SSH_SK_ERR_DEVICE_NOT_FOUND	-4
 
 	struct sk_enroll_response {
 		uint8_t *public_key;