From nobody Fri Oct 17 10:31:38 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 72D2EC433FE for ; Wed, 19 Oct 2022 12:03:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232341AbiJSMDs (ORCPT ); Wed, 19 Oct 2022 08:03:48 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37980 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231713AbiJSMDO (ORCPT ); Wed, 19 Oct 2022 08:03:14 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BFA2B4C627; Wed, 19 Oct 2022 04:39:45 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 37FE1B8239B; Wed, 19 Oct 2022 08:51:16 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id AA378C433D6; Wed, 19 Oct 2022 08:51:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1666169475; bh=HEgbHPH4lSpqw0IoD5a5jolqD6Cro97cGscbSfURixw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=f1ugUAqnjPZykZh2zVV+TFVO09corr+XSB4Z0FxV1IRK8HBkuvJ64cWbqPGBKmMQI l7yY7WAyewahUJnI+iNAtNoQYGAsPpaB8OCNu9HTtdbGkH8wBGpPtChIgbkHQDSbHT s/IvAtaYZ6Lcj7QU5IDp3n5LxOO+4ifAYvRJtaqE= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Lorenzo Bianconi , Felix Fietkau , Sasha Levin Subject: [PATCH 6.0 290/862] wifi: mt76: fix uninitialized pointer in mt7921_mac_fill_rx Date: Wed, 19 Oct 2022 10:26:17 +0200 Message-Id: <20221019083302.829350594@linuxfoundation.org> X-Mailer: git-send-email 2.38.0 In-Reply-To: <20221019083249.951566199@linuxfoundation.org> References: <20221019083249.951566199@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" From: Lorenzo Bianconi [ Upstream commit 9be57ad73984545d594ed359dac19457bcb9fc27 ] Initialize msta pointer to NULL in mt7921_mac_fill_rx() in order to not dereference a uninitialized pointer. Fixes: 0880d40871d1d ("mt76: connac: move mt76_connac2_reverse_frag0_hdr_tr= ans in mt76-connac module") Signed-off-by: Lorenzo Bianconi Signed-off-by: Felix Fietkau Signed-off-by: Sasha Levin --- drivers/net/wireless/mediatek/mt76/mt7921/mac.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c b/drivers/net/= wireless/mediatek/mt76/mt7921/mac.c index 6bd9fc9228a2..e8a7a5831782 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/mac.c @@ -235,7 +235,7 @@ mt7921_mac_fill_rx(struct mt7921_dev *dev, struct sk_bu= ff *skb) u32 rxd2 =3D le32_to_cpu(rxd[2]); u32 rxd3 =3D le32_to_cpu(rxd[3]); u32 rxd4 =3D le32_to_cpu(rxd[4]); - struct mt7921_sta *msta; + struct mt7921_sta *msta =3D NULL; u16 seq_ctrl =3D 0; __le16 fc =3D 0; u8 mode =3D 0; --=20 2.35.1