From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pj1-f48.google.com (mail-pj1-f48.google.com [209.85.216.48]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1E0176AB4 for ; Wed, 7 Jun 2023 11:21:48 +0000 (UTC) Received: by mail-pj1-f48.google.com with SMTP id 98e67ed59e1d1-256712e2be3so6205888a91.2 for ; Wed, 07 Jun 2023 04:21:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1686136908; x=1688728908; h=in-reply-to:content-transfer-encoding:content-disposition :mime-version:references:message-id:subject:cc:to:from:date:from:to :cc:subject:date:message-id:reply-to; bh=sXtu7T4BuQTlc5G2QE10guaIjIMheRY/q8IpaabYJXE=; b=mJcJOtf9cKn2YYWGd/imMh8cq1rB3fGhC5WYLbJRmA79Z2r356m97G9o9T0VhQ42Or dGQ2nwHsJ4TRNWy3H7od5UQpyhwG096mKD468OFXY99pwzrF2BSE37k0C9MnHN5it1nm ToW6hfUtdLfQadVYPGvDPW5Ivrc7sHhY8MGVJ2NUL5A4butCHKYWvRDgmSgTBmSQC1Mf 9CtXIVdDDwEWlNZ7VV6Vwl74N4JWJreGrfVIKIY9ZMvjwZXHX6fsVQ2zE47tv4WQ2lj3 GOH0dad4BC210GQnP0xEuBUv17WSwMbwPDiPFrgoi2LXCp/laF6+QoADHUZH63rHXcRe p49w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1686136908; x=1688728908; h=in-reply-to:content-transfer-encoding:content-disposition :mime-version:references:message-id:subject:cc:to:from:date :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=sXtu7T4BuQTlc5G2QE10guaIjIMheRY/q8IpaabYJXE=; b=laY7H/M3XjO9sFDhRBB25XF2pjmUu1sFv0kts+WR+ahiWNiT796YJ1uIqdyRpVu2g5 OaXdWhWiOOao+kVWSzkCo8yvMgawpn7trJsuUePebgb+XEZsACCBVxPFJ+HJw6Y4irHr k+g71BC8j6AW/NQ3ZOD0GM7JI+hyebkqExHF5ca8HOIn8lEnbzyS0JHH2TR4o2w4+fRV CIuoTFRO9q7d+/iegETawgLNbUmmO2QGX3eUvgeBVvVzIMu7fHaBPBq1NQUtO0gVVkYO k3AcIVGOlxITTp39bCQlPI61VdvujtCHLoiVQkt6t7nH5U82/2j3vyMEKchozly+Gf1R KNXA== X-Gm-Message-State: AC+VfDwlW+KyIiMT4nKfhIeiNg9+iAP8ZdkXVMyUa4MFA6w+HhMMO6TO OvT94jAviBCaDUdANsRrABZc X-Google-Smtp-Source: ACHHUZ75KNTAVNCWXJU3GsKBzmblvZ/f6zZCceUwhTqXHVFfvpwuY3PBfdfhrO3xihSUnq5IJQZR0g== X-Received: by 2002:a17:90a:195b:b0:259:c015:9fa1 with SMTP id 27-20020a17090a195b00b00259c0159fa1mr1754510pjh.46.1686136908342; Wed, 07 Jun 2023 04:21:48 -0700 (PDT) Received: from thinkpad ([59.92.97.244]) by smtp.gmail.com with ESMTPSA id 30-20020a17090a001e00b00250bf8495b3sm1217420pja.39.2023.06.07.04.21.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 07 Jun 2023 04:21:47 -0700 (PDT) Date: Wed, 7 Jun 2023 16:51:43 +0530 From: Manivannan Sadhasivam To: Simon Horman Cc: davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, mhi@lists.linux.dev, linux-arm-msm@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, loic.poulain@linaro.org Subject: Re: [PATCH 1/3] net: Add MHI Endpoint network driver Message-ID: <20230607112143.GE5025@thinkpad> References: <20230606123119.57499-1-manivannan.sadhasivam@linaro.org> <20230606123119.57499-2-manivannan.sadhasivam@linaro.org> Precedence: bulk X-Mailing-List: mhi@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: 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