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From: Manivannan Sadhasivam <mani@kernel.org>
To: Bo Liu <liubo03@inspur.com>
Cc: quic_hemantk@quicinc.com, mhi@lists.linux.dev,
	linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] bus: mhi: ep: Check dev_set_name() return value
Date: Sat, 9 Jul 2022 11:41:39 +0530	[thread overview]
Message-ID: <20220709061139.GE5063@thinkpad> (raw)
In-Reply-To: <20220708015948.4091-1-liubo03@inspur.com>

On Thu, Jul 07, 2022 at 09:59:48PM -0400, Bo Liu wrote:
> It's possible that dev_set_name() returns -ENOMEM, catch and handle this.
> 
> Signed-off-by: Bo Liu <liubo03@inspur.com>

Applied to mhi-next!

Thanks,
Mani

> ---
>  drivers/bus/mhi/ep/main.c | 11 +++++++++--
>  1 file changed, 9 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/bus/mhi/ep/main.c b/drivers/bus/mhi/ep/main.c
> index 40109a79017a..1dc8a3557a46 100644
> --- a/drivers/bus/mhi/ep/main.c
> +++ b/drivers/bus/mhi/ep/main.c
> @@ -1242,9 +1242,13 @@ static int mhi_ep_create_device(struct mhi_ep_cntrl *mhi_cntrl, u32 ch_id)
>  
>  	/* Channel name is same for both UL and DL */
>  	mhi_dev->name = mhi_chan->name;
> -	dev_set_name(&mhi_dev->dev, "%s_%s",
> +	ret = dev_set_name(&mhi_dev->dev, "%s_%s",
>  		     dev_name(&mhi_cntrl->mhi_dev->dev),
>  		     mhi_dev->name);
> +	if (ret) {
> +		put_device(&mhi_dev->dev);
> +		return ret;
> +	}
>  
>  	ret = device_add(&mhi_dev->dev);
>  	if (ret)
> @@ -1408,7 +1412,10 @@ int mhi_ep_register_controller(struct mhi_ep_cntrl *mhi_cntrl,
>  		goto err_free_irq;
>  	}
>  
> -	dev_set_name(&mhi_dev->dev, "mhi_ep%u", mhi_cntrl->index);
> +	ret = dev_set_name(&mhi_dev->dev, "mhi_ep%u", mhi_cntrl->index);
> +	if (ret)
> +		goto err_put_dev;
> +
>  	mhi_dev->name = dev_name(&mhi_dev->dev);
>  	mhi_cntrl->mhi_dev = mhi_dev;
>  
> -- 
> 2.27.0
> 

-- 
மணிவண்ணன் சதாசிவம்

      parent reply	other threads:[~2022-07-09  6:11 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-07-08  1:59 [PATCH] bus: mhi: ep: Check dev_set_name() return value Bo Liu
2022-07-09  6:07 ` Manivannan Sadhasivam
2022-07-09  6:11 ` Manivannan Sadhasivam [this message]

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