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From: Bjorn Andersson <bjorn.andersson@linaro.org>
To: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Cc: gregkh@linuxfoundation.org, davem@davemloft.net,
	smohanad@codeaurora.org, jhugo@codeaurora.org,
	kvalo@codeaurora.org, hemantk@codeaurora.org,
	linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org,
	netdev@vger.kernel.org
Subject: Re: [PATCH 2/3] net: qrtr: Add MHI transport layer
Date: Wed, 1 Apr 2020 00:10:23 -0700	[thread overview]
Message-ID: <20200401071023.GD663905@yoga> (raw)
In-Reply-To: <20200401064435.12676-3-manivannan.sadhasivam@linaro.org>

On Tue 31 Mar 23:44 PDT 2020, Manivannan Sadhasivam wrote:
> diff --git a/net/qrtr/mhi.c b/net/qrtr/mhi.c
[..]
> +static void qcom_mhi_qrtr_ul_callback(struct mhi_device *mhi_dev,
> +				      struct mhi_result *mhi_res)
> +{
> +	struct sk_buff *skb = (struct sk_buff *)mhi_res->buf_addr;
> +
> +	consume_skb(skb);
> +	if (skb->sk)
> +		sock_put(skb->sk);

Don't you need to do this in opposite order, to avoid a use after free?

Regards,
Bjorn

  reply	other threads:[~2020-04-01  7:10 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-01  6:44 [PATCH 0/3] MHI bus improvements - Part 2 Manivannan Sadhasivam
2020-04-01  6:44 ` [PATCH 1/3] bus: mhi: core: Add support for MHI suspend and resume Manivannan Sadhasivam
2020-04-01  6:44 ` [PATCH 2/3] net: qrtr: Add MHI transport layer Manivannan Sadhasivam
2020-04-01  7:10   ` Bjorn Andersson [this message]
2020-04-01  8:20     ` Manivannan Sadhasivam
2020-04-01  6:44 ` [PATCH 3/3] net: qrtr: Do not depend on ARCH_QCOM Manivannan Sadhasivam

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