From: Bjoern A. Zeeb Date: Tue, 31 Mar 2026 22:05:47 +0000 (+0000) Subject: wifi: mt76: fix argument to ieee80211_is_first_frag() X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5832743279da8c6ae72f715bad2f7141eca6f4b8;p=thirdparty%2Flinux.git wifi: mt76: fix argument to ieee80211_is_first_frag() ieee80211_is_first_frag() operates on the seq_ctrl not the frame_control header field. Pass the correct one in; otherwise the results may vary. Sponsored by: The FreeBSD Foundation Fixes: 30ce7f4456ae4 ("mt76: validate rx CCMP PN") Link: https://cgit.freebsd.org/src/commit/sys/contrib/dev/mediatek/mt76/mac80211.c?id=c67fd35e58c6ee1e19877a7fe5998885683abedc Signed-off-by: Bjoern A. Zeeb Link: https://patch.msgid.link/83s4psnr-popo-8789-757o-npr2n9n7rs2o@SerrOFQ.bet Signed-off-by: Felix Fietkau --- diff --git a/drivers/net/wireless/mediatek/mt76/mac80211.c b/drivers/net/wireless/mediatek/mt76/mac80211.c index dd09ef1bd0c25..13c4e8abe2819 100644 --- a/drivers/net/wireless/mediatek/mt76/mac80211.c +++ b/drivers/net/wireless/mediatek/mt76/mac80211.c @@ -1323,7 +1323,7 @@ mt76_check_ccmp_pn(struct sk_buff *skb) * All further fragments will be validated by mac80211 only. */ if (ieee80211_is_frag(hdr) && - !ieee80211_is_first_frag(hdr->frame_control)) + !ieee80211_is_first_frag(hdr->seq_ctrl)) return; }