From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 002971DF26B; Wed, 6 Nov 2024 12:21:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730895677; cv=none; b=XexfOCsFlfWxp3+2LkXVcg7b4XYPbURnGwiXllhUZtXF7gLxHux1N7nAsJUNzBFfZtDPoIUcAa4UmTdXCW4DAaMNCSnY8N+cCKdTugI8LSf7Ewb+qu4NlN1D9NmsERR0Rkb8he1+7Lll/wfdHkF7vDIkK91pwC6C+7KDuBsxbyQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730895677; c=relaxed/simple; bh=hHRDggXq1b3euCUuuIozaOmvkN05MVJVfmIQ5T0zy+0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=ZUSvwZJ6H4ZR+V/CZom+y/GJWxUNM+5IWyHuZRDoV7UTbTH5+vaChUxGtHHkI1KWMw2G7740H2DmPwaJ+gBFhboU+5f/fLr+i5GuhiyiDucldkzIPVnvC69z5BVhdVVedMCgyYZMPDc5Uj9LnbJSryVPDAegNfQZZbyh9CSMpG4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=W0p/9wkH; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="W0p/9wkH" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7A127C4CECD; Wed, 6 Nov 2024 12:21:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1730895676; bh=hHRDggXq1b3euCUuuIozaOmvkN05MVJVfmIQ5T0zy+0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=W0p/9wkHPa0MnccOUBPHrtqPVu5qnJlQ4kohfvooh+dOXi5/Z6wAhGkN88BppTaES WyEEDzA7t7Yc+x1AbLt6eD34KIdh7jv3P3nv2cfA1h/EgKRtHyf8Gsn5OZn/OjRRi7 EaTljBJ7jxjSWcfUy3Sq7QnxWTYNlYTGTP1vV0bg= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Wang Hai , Jakub Kicinski , Sasha Levin Subject: [PATCH 4.19 299/350] net: systemport: fix potential memory leak in bcm_sysport_xmit() Date: Wed, 6 Nov 2024 13:03:47 +0100 Message-ID: <20241106120328.191659261@linuxfoundation.org> X-Mailer: git-send-email 2.47.0 In-Reply-To: <20241106120320.865793091@linuxfoundation.org> References: <20241106120320.865793091@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 4.19-stable review patch. If anyone has any objections, please let me know. ------------------ From: Wang Hai [ Upstream commit c401ed1c709948e57945485088413e1bb5e94bd1 ] The bcm_sysport_xmit() returns NETDEV_TX_OK without freeing skb in case of dma_map_single() fails, add dev_kfree_skb() to fix it. Fixes: 80105befdb4b ("net: systemport: add Broadcom SYSTEMPORT Ethernet MAC driver") Signed-off-by: Wang Hai Link: https://patch.msgid.link/20241014145115.44977-1-wanghai38@huawei.com Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- drivers/net/ethernet/broadcom/bcmsysport.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/ethernet/broadcom/bcmsysport.c b/drivers/net/ethernet/broadcom/bcmsysport.c index b3fc8745b5807..55b869f5c8255 100644 --- a/drivers/net/ethernet/broadcom/bcmsysport.c +++ b/drivers/net/ethernet/broadcom/bcmsysport.c @@ -1319,6 +1319,7 @@ static netdev_tx_t bcm_sysport_xmit(struct sk_buff *skb, netif_err(priv, tx_err, dev, "DMA map failed at %p (len=%d)\n", skb->data, skb_len); ret = NETDEV_TX_OK; + dev_kfree_skb_any(skb); goto out; } -- 2.43.0