Drop the repeated word "function".

Signed-off-by: Randy Dunlap <redacted>
Cc: Marek Lindner <redacted>
Cc: Simon Wunderlich <sw@simonwunderlich.de>
Cc: Antonio Quartulli <redacted>
Cc: Sven Eckelmann <sven@narfation.org>
Cc: b.a.t.m.a.n@lists.open-mesh.org
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jakub Kicinski <kuba@kernel.org>
---
 net/batman-adv/bridge_loop_avoidance.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- linux-next-20200731.orig/net/batman-adv/bridge_loop_avoidance.c
+++ linux-next-20200731/net/batman-adv/bridge_loop_avoidance.c

@@ -1795,7 +1795,7 @@ batadv_bla_loopdetect_check(struct batad
 
 	ret = queue_work(batadv_event_workqueue, &backbone_gw->report_work);
 
-	/* backbone_gw is unreferenced in the report work function function
+	/* backbone_gw is unreferenced in the report work function
 	 * if queue_work() call was successful
 	 */
 	if (!ret)