Re: [PATCH net-next 01/15] batman-adv: dat: fix printing of unknown 4addr subtype

--- Patch [1]: [PATCH net-next 01/15] batman-adv: dat: fix printing of unknown 4addr subtype ---

commit 974c511b32b67ede89d952e4508493380b181449
Author: Sven Eckelmann [off-list ref]

batman-adv: dat: fix printing of unknown 4addr subtype

The default arm of the subtype switch in batadv_dbg_arp() was printing
unicast_4addr_packet->u.packet_type instead of the subtype that was not
recognized. This changes the debug message to print the subtype value.

quoted

diff --git a/net/batman-adv/distributed-arp-table.c b/net/batman-adv/distributed-arp-table.c
index 011cfdc47fab..270f8d6e2954 100644
--- a/net/batman-adv/distributed-arp-table.c
+++ b/net/batman-adv/distributed-arp-table.c

@@ -548,7 +548,7 @@ static void batadv_dbg_arp(struct batadv_priv *bat_priv, struct sk_buff *skb,
 			break;
 		default:
 			batadv_dbg(BATADV_DBG_DAT, bat_priv, "* type: Unknown (%u)!\n",
-				   unicast_4addr_packet->u.packet_type);
+				   unicast_4addr_packet->subtype);

Discovered by: gpt-5-6-sol, opus-5 · Missed by: sashiko-gemini
Should this carry a Fixes: tag?

The change corrects a real defect in batadv_dbg_arp(): the default arm of
the switch (unicast_4addr_packet->subtype) block was printing the outer
packet_type, which on that path is always BATADV_UNICAST_4ADDR, so the
message never showed the unknown value.