linux-kernel - Re: [PATCH 1/3] net: Add MHI Endpoint network driver

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20230607112143.GE5025@thinkpad>
Date:   Wed, 7 Jun 2023 16:51:43 +0530
From:   Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
To:     Simon Horman <simon.horman@...igine.com>
Cc:     davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
        pabeni@...hat.com, mhi@...ts.linux.dev,
        linux-arm-msm@...r.kernel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, loic.poulain@...aro.org
Subject: Re: [PATCH 1/3] net: Add MHI Endpoint network driver

On Wed, Jun 07, 2023 at 10:20:39AM +0200, Simon Horman wrote:
> On Tue, Jun 06, 2023 at 06:01:17PM +0530, Manivannan Sadhasivam wrote:
> 
> ...
> 
> > +static void mhi_ep_net_dev_process_queue_packets(struct work_struct *work)
> > +{
> > +	struct mhi_ep_net_dev *mhi_ep_netdev = container_of(work,
> > +			struct mhi_ep_net_dev, xmit_work);
> > +	struct mhi_ep_device *mdev = mhi_ep_netdev->mdev;
> > +	struct sk_buff_head q;
> > +	struct sk_buff *skb;
> > +	int ret;
> > +
> > +	if (mhi_ep_queue_is_empty(mdev, DMA_FROM_DEVICE)) {
> > +		netif_stop_queue(mhi_ep_netdev->ndev);
> > +		return;
> > +	}
> > +
> > +	__skb_queue_head_init(&q);
> > +
> > +	spin_lock_bh(&mhi_ep_netdev->tx_lock);
> > +	skb_queue_splice_init(&mhi_ep_netdev->tx_buffers, &q);
> > +	spin_unlock_bh(&mhi_ep_netdev->tx_lock);
> > +
> > +	while ((skb = __skb_dequeue(&q))) {
> > +		ret = mhi_ep_queue_skb(mdev, skb);
> > +		if (ret) {
> 
> Hi Manivannan,
> 
> I wonder if this should be kfree_skb(skb);
> 

Good catch! Will fix it.

- Mani

> > +			kfree(skb);
> > +			goto exit_drop;
> > +		}
> 
> ...

-- 
மணிவண்ணன் சதாசிவம்