From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from dispatch1-us1.ppe-hosted.com (dispatch1-us1.ppe-hosted.com [67.231.154.183]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A9194390C8B for ; Wed, 11 Mar 2026 23:07:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=67.231.154.183 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773270467; cv=none; b=vAPUPqsLkb47gdOzaUWDJwHzPiytwaQREGBzPPYSiHLb/Lkc8ZmSNRm4pL01KdJn6dgtOOYGr+LqcNtnn4NCLknF6pL7bZF3Q9o2reOwpP+fCR+39EZG8bbr+EkA4MZY+aiCtDiMP2Wn5wMnGLeLKLwI+o/95uGSL30l/jjFVjQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773270467; c=relaxed/simple; bh=dQrP21XeCUe5KAVZOE/kb7roW3sCZoMge60mBQE1tns=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=X0xraiwKWT/NLojuBqZ+50DYMpFgWtz9Mk876JCAyeRO4lOK2hSc5W3gzOqdbUbLNZ8tnfeumb2SsFUqJYugA8dRjy5H+eKs2Zd8LHxpiV/t8j2+S/ZmfOx32cCyzEFaXM0EXKkC5AWJljBaMWuVnYKJuDSOl9e1fsYQAEsubWM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=candelatech.com; spf=pass smtp.mailfrom=candelatech.com; dkim=pass (1024-bit key) header.d=candelatech.com header.i=@candelatech.com header.b=aVuilHIU; arc=none smtp.client-ip=67.231.154.183 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=candelatech.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=candelatech.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=candelatech.com header.i=@candelatech.com header.b="aVuilHIU" X-Virus-Scanned: Proofpoint Essentials engine Received: from mail3.candelatech.com (mail.candelatech.com [208.74.158.173]) by mx1-us1.ppe-hosted.com (PPE Hosted ESMTP Server) with ESMTP id 0B35F2C0080 for ; Wed, 11 Mar 2026 23:07:38 +0000 (UTC) Received: from ben-dt5.candelatech.com (firewall.candelatech.com [50.251.239.81]) by mail3.candelatech.com (Postfix) with ESMTP id 53A3C13C2B1; Wed, 11 Mar 2026 16:07:36 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.11.0 mail3.candelatech.com 53A3C13C2B1 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=candelatech.com; s=default; t=1773270456; bh=dQrP21XeCUe5KAVZOE/kb7roW3sCZoMge60mBQE1tns=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=aVuilHIUna1l0vbJLP0ZBjoHx3flkihi2FXn7cPAkVDQiA3p8Ug9sK1xx2rvBZLx/ 1gRW1q3hm1O2+Iss4hiC4N2CdnXMivIfi7f8rs86sBQdWTn0TX2qZ4rU60AcFFJ5jq DoTLQc0IqBe1GnN3Ww7OHo39+FhmqPwe0V9ptqIM= From: greearb@candelatech.com To: linux-wireless@vger.kernel.org Cc: Ben Greear Subject: [PATCH wireless-next 01/28] wifi: iwlwifi: mld: Check for NULL before lookup. Date: Wed, 11 Mar 2026 16:07:03 -0700 Message-ID: <20260311230730.163348-2-greearb@candelatech.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20260311230730.163348-1-greearb@candelatech.com> References: <20260311230730.163348-1-greearb@candelatech.com> Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-MDID: 1773270459-Uk0_ybx3u53l X-PPE-STACK: {"stack":"us5"} X-MDID-O: us5;at1;1773270459;Uk0_ybx3u53l;;f7146c1849a4b08a52804beb1c1cdf45 X-PPE-TRUSTED: V=1;DIR=OUT; From: Ben Greear Do not call iwl_mld_sta_from_mac80211(sta) unless we have verified sta is non NULL. Signed-off-by: Ben Greear --- drivers/net/wireless/intel/iwlwifi/mld/agg.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/intel/iwlwifi/mld/agg.c b/drivers/net/wireless/intel/iwlwifi/mld/agg.c index 3bf36f8f6874..a757077b0a7a 100644 --- a/drivers/net/wireless/intel/iwlwifi/mld/agg.c +++ b/drivers/net/wireless/intel/iwlwifi/mld/agg.c @@ -194,7 +194,7 @@ iwl_mld_reorder(struct iwl_mld *mld, struct napi_struct *napi, struct iwl_mld_baid_data *baid_data; struct iwl_mld_reorder_buffer *buffer; struct iwl_mld_reorder_buf_entry *entries; - struct iwl_mld_sta *mld_sta = iwl_mld_sta_from_mac80211(sta); + struct iwl_mld_sta *mld_sta; struct iwl_mld_link_sta *mld_link_sta; u32 reorder = le32_to_cpu(desc->reorder_data); bool amsdu, last_subframe, is_old_sn, is_dup; @@ -221,6 +221,8 @@ iwl_mld_reorder(struct iwl_mld *mld, struct napi_struct *napi, "Got valid BAID without a valid station assigned\n")) return IWL_MLD_PASS_SKB; + mld_sta = iwl_mld_sta_from_mac80211(sta); + /* not a data packet */ if (!ieee80211_is_data_qos(hdr->frame_control) || is_multicast_ether_addr(hdr->addr1)) -- 2.42.0