From 4e219655d0f7e1134c040468c0e7d91c671e57fb Mon Sep 17 00:00:00 2001 From: Frank Hilgendorf Date: Wed, 13 Dec 2023 23:48:08 +0000 Subject: [PATCH] bwn: remove unused ic_headroom Unlike bwi(4), bwn(4) does not rely on ic_headroom (despite having it set) but splits the bwn_txhdr (first) segment into its own transaction. Remove ic_headroom to avoid net80211 troubles with not enough space in the mbuf around ieee80211_mbuf_adjust(). PR: 275616 (cherry picked from commit 59dba901f227420647e4856f03cb782a3375c220) --- sys/dev/bwn/if_bwn.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/sys/dev/bwn/if_bwn.c b/sys/dev/bwn/if_bwn.c index 501bcc1e958..742ed63a92a 100644 --- a/sys/dev/bwn/if_bwn.c +++ b/sys/dev/bwn/if_bwn.c @@ -808,8 +808,6 @@ bwn_attach_post(struct bwn_softc *sc) /* call MI attach routine. */ ieee80211_ifattach(ic); - ic->ic_headroom = sizeof(struct bwn_txhdr); - /* override default methods */ ic->ic_raw_xmit = bwn_raw_xmit; ic->ic_updateslot = bwn_updateslot;