From patchwork Tue Feb 8 13:12:30 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shayne Chen X-Patchwork-Id: 541059 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 EA2B2C433FE for ; Tue, 8 Feb 2022 13:16:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1351339AbiBHNQ1 (ORCPT ); Tue, 8 Feb 2022 08:16:27 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38676 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1343863AbiBHNNM (ORCPT ); Tue, 8 Feb 2022 08:13:12 -0500 Received: from mailgw01.mediatek.com (unknown [60.244.123.138]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7D121C03FECE for ; Tue, 8 Feb 2022 05:13:05 -0800 (PST) X-UUID: 3d4237f4fb6a41c0a4c2fea028b2ed56-20220208 X-UUID: 3d4237f4fb6a41c0a4c2fea028b2ed56-20220208 Received: from mtkmbs10n2.mediatek.inc [(172.21.101.183)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 84911052; Tue, 08 Feb 2022 21:12:59 +0800 Received: from mtkcas11.mediatek.inc (172.21.101.40) by mtkmbs10n2.mediatek.inc (172.21.101.183) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.2.792.3; Tue, 8 Feb 2022 21:12:58 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas11.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Tue, 8 Feb 2022 21:12:58 +0800 From: Shayne Chen To: Felix Fietkau CC: linux-wireless , Lorenzo Bianconi , Ryder Lee , "Evelyn Tsai" , linux-mediatek , Shayne Chen Subject: [PATCH] mt76: mt7915: fix potential memory leak of fw monitor packets Date: Tue, 8 Feb 2022 21:12:30 +0800 Message-ID: <20220208131230.26417-1-shayne.chen@mediatek.com> X-Mailer: git-send-email 2.18.0 MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Free the skb of fw monitor packets. Signed-off-by: Shayne Chen --- drivers/net/wireless/mediatek/mt76/mt7915/mac.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c index 3c38031..5646b9d 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c @@ -1717,6 +1717,7 @@ void mt7915_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q, break; case PKT_TYPE_RX_FW_MONITOR: mt7915_debugfs_rx_fw_monitor(dev, skb->data, skb->len); + dev_kfree_skb(skb); break; case PKT_TYPE_NORMAL: if (!mt7915_mac_fill_rx(dev, skb)) {