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: 12738721 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id B25F8C43219 for ; Tue, 8 Feb 2022 13:16:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:Subject:CC :To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=GULY1mgzTbCw0bsxN+dDkQSTVaefpv8/gMsWOPIRecI=; b=3DZrGcVxWC16k7 S9992LipROLAuvW58bfgtPa85L3+kvsGU3RWxOIYioAhMMJPHVLoIiI3gDIciFlUnM07TdDHyLR4Z +yVfUQxqCDTEuMBRst72aNqZxL8VJy+DKShCf3yCBvT2nfP036PB4bmdrexqHo6Z67dM1IaFkd64x 321FmL1uFXTJZNyHlURaip0r0+xrVt5MnRe22RGOpBlhOoPpi4vobZYZx6e52f/zU1JGz3rbRM1/J 1RcoSqWygp+0PhEOq5nuZS6iUGeTqXw/rnFFtlC/EcXTlaOJFbbsF9mDMloXwN7r2VM1e2id99bdQ LBIe9O/eEggAnJOdMfIw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nHQM7-00E2IO-JQ; Tue, 08 Feb 2022 13:16:27 +0000 Received: from mailgw01.mediatek.com ([216.200.240.184]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nHQIw-00E177-FA for linux-mediatek@lists.infradead.org; Tue, 08 Feb 2022 13:13:13 +0000 X-UUID: e17ec3645b724782abb6584f4b37539f-20220208 X-UUID: e17ec3645b724782abb6584f4b37539f-20220208 Received: from mtkcas67.mediatek.inc [(172.29.193.45)] by mailgw01.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 1104945107; Tue, 08 Feb 2022 06:13:01 -0700 Received: from mtkmbs10n2.mediatek.inc (172.21.101.183) by MTKMBS62N1.mediatek.inc (172.29.193.41) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 8 Feb 2022 05:13:00 -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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220208_051310_567029_3172F427 X-CRM114-Status: UNSURE ( 6.64 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.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)) {