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 8E2C33A3835 for ; Wed, 11 Mar 2026 23:07:49 +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=1773270472; cv=none; b=mjNBQo9C4/aIiXw23IoQtxPcHV/MbkU7svIL2hN/J7rA/rcn41nuzIDwSkiede3mvoLO68zS6RgauDf0pFcTqe0HqlmGvDXg3BLgl3NNMBiIUtoVk8hStf4dMqdWcag6E5e0X/KgIPxFL8YR85cNGEwAtUU9pOluXoxoLQP3DnI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773270472; c=relaxed/simple; bh=DXHneObEFURGAmje7Og6zAxA3fF6Totm6rdxbwrFdcA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=d3ggN7qroXfbRowQoS73dW1qqc9bP48QxYbp6ShzfGtYbv7NNbsWFzA/0aGMuVg6OCngMlvhxLmDruHUeRlIbShn6XzSycw+h3tw71AWJb66Ssr3Y/WsxEFB7tcadbU+/bPgDE9O4g74mPW7qHQsjyYGJq8IDe+2gLlKnPGt21Y= 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=aCsYRhqt; 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="aCsYRhqt" 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 793A344007C for ; Wed, 11 Mar 2026 23:07:43 +0000 (UTC) Received: from ben-dt5.candelatech.com (firewall.candelatech.com [50.251.239.81]) by mail3.candelatech.com (Postfix) with ESMTP id 06B8A13C2BA; Wed, 11 Mar 2026 16:07:42 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.11.0 mail3.candelatech.com 06B8A13C2BA DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=candelatech.com; s=default; t=1773270462; bh=DXHneObEFURGAmje7Og6zAxA3fF6Totm6rdxbwrFdcA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=aCsYRhqt+w5waQxesDioYs91zpG/5SzzXbtqZG/vINAjiRiXI1e/co7rDEO9x7myZ dFeHp1iFainstmuLxbirqBbpr7RQ813xp0RDIcGIdJwWqVUg0okNQsNvdTbtQ9gMBB 66SZM+R1znMkfocmmhv+p+P+eJBv58YAdyY5g6PE= From: greearb@candelatech.com To: linux-wireless@vger.kernel.org Cc: Ben Greear Subject: [PATCH wireless-next 24/28] wifi: iwlwifi: mld: Fix NPE in flush logic. Date: Wed, 11 Mar 2026 16:07:26 -0700 Message-ID: <20260311230730.163348-25-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: 1773270464-QCCRQeyBNs5J X-PPE-STACK: {"stack":"us5"} X-MDID-O: us5;at1;1773270464;QCCRQeyBNs5J;;f7146c1849a4b08a52804beb1c1cdf45 X-PPE-TRUSTED: V=1;DIR=OUT; From: Ben Greear It appears that sometimes the sta can be NULL, so check for that and return early. Signed-off-by: Ben Greear --- drivers/net/wireless/intel/iwlwifi/mld/sta.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/wireless/intel/iwlwifi/mld/sta.c b/drivers/net/wireless/intel/iwlwifi/mld/sta.c index 288fc4b7604e..06e064466e3b 100644 --- a/drivers/net/wireless/intel/iwlwifi/mld/sta.c +++ b/drivers/net/wireless/intel/iwlwifi/mld/sta.c @@ -779,6 +779,9 @@ void iwl_mld_flush_sta_txqs(struct iwl_mld *mld, struct ieee80211_sta *sta) void iwl_mld_wait_sta_txqs_empty(struct iwl_mld *mld, struct ieee80211_sta *sta) { + if (!sta) + return; + /* Avoid a warning in iwl_trans_wait_txq_empty if are anyway on the way * to a restart. */ -- 2.42.0