Index: sys/dev/evdev/evdev.c
===================================================================
diff -u -N -r09c7c41d8745c3c2ff590ff36bafaf7a419ddcbd -r81187b8c7bfbbea927d729fb7bf57a610c1ca396
--- sys/dev/evdev/evdev.c	(.../evdev.c)	(revision 09c7c41d8745c3c2ff590ff36bafaf7a419ddcbd)
+++ sys/dev/evdev/evdev.c	(.../evdev.c)	(revision 81187b8c7bfbbea927d729fb7bf57a610c1ca396)
@@ -354,7 +354,7 @@
 int
 evdev_unregister(struct evdev_dev *evdev)
 {
-	struct evdev_client *client;
+	struct evdev_client *client, *tmp;
 	int ret;
 	debugf(evdev, "%s: unregistered evdev provider: %s\n",
 	    evdev->ev_shortname, evdev->ev_name);
@@ -364,7 +364,7 @@
 	EVDEV_LOCK(evdev);
 	evdev->ev_cdev->si_drv1 = NULL;
 	/* Wake up sleepers */
-	LIST_FOREACH(client, &evdev->ev_clients, ec_link) {
+	LIST_FOREACH_SAFE(client, &evdev->ev_clients, ec_link, tmp) {
 		evdev_revoke_client(client);
 		evdev_dispose_client(evdev, client);
 		EVDEV_CLIENT_LOCKQ(client);