caif: Bugfix use for_each_safe when removing list nodes.

Signed-off-by: Sjur Brændeland <[e-mail]>
Signed-off-by: David S. Miller <[e-mail]>

net/caif/cfmuxl.c

···
 				int phyid)
 {
 	struct cfmuxl *muxl = container_obj(layr);
-	struct list_head *node;
+	struct list_head *node, *next;
 	struct cflayer *layer;
-	list_for_each(node, &muxl->srvl_list) {
+	list_for_each_safe(node, next, &muxl->srvl_list) {
 		layer = list_entry(node, struct cflayer, node);
 		if (cfsrvl_phyid_match(layer, phyid))
 			layer->ctrlcmd(layer, ctrl, phyid);