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Date:   Tue, 29 Nov 2022 08:34:37 +0100
From:   Greg KH <gregkh@linuxfoundation.org>
To:     Wang Yufen <wangyufen@huawei.com>
Cc:     linus.walleij@linaro.org, mailhol.vincent@wanadoo.fr,
        linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v4] USB: FHCI: fix error return code in of_fhci_probe()
Message-ID: <Y4W2DQGsZp2w2NpR@kroah.com>
References: <1669707158-43984-1-git-send-email-wangyufen@huawei.com>
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On Tue, Nov 29, 2022 at 03:32:38PM +0800, Wang Yufen wrote:
> Fix to return a negative error code of PTR_ERR(fhci->gpiods[i])
> instead of 0.
> 
> Fixes: a4efdb8a423b ("USB: FHCI: Switch to GPIO descriptors")
> Signed-off-by: Wang Yufen <wangyufen@huawei.com>
> Reviewed-by: Vincent Mailhol <mailhol.vincent@wanadoo.fr>
> ---
>  drivers/usb/host/fhci-hcd.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/usb/host/fhci-hcd.c b/drivers/usb/host/fhci-hcd.c
> index 95a4446..f84f1c8 100644
> --- a/drivers/usb/host/fhci-hcd.c
> +++ b/drivers/usb/host/fhci-hcd.c
> @@ -639,8 +639,8 @@ static int of_fhci_probe(struct platform_device *ofdev)
>  					NULL, i, GPIOD_OUT_LOW);
>  
>  		if (IS_ERR(fhci->gpiods[i])) {
> -			dev_err(dev, "incorrect GPIO%d: %ld\n",
> -				i, PTR_ERR(fhci->gpiods[i]));
> +			ret = PTR_ERR(fhci->gpiods[i]);
> +			dev_err(dev, "incorrect GPIO%d: %d\n", i, ret);
>  			goto err_gpios;
>  		}
>  		if (!fhci->gpiods[i]) {
> -- 
> 1.8.3.1
> 

Hi,

This is the friendly patch-bot of Greg Kroah-Hartman.  You have sent him
a patch that has triggered this response.  He used to manually respond
to these common problems, but in order to save his sanity (he kept
writing the same thing over and over, yet to different people), I was
created.  Hopefully you will not take offence and will fix the problem
in your patch and resubmit it so that it can be accepted into the Linux
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You are receiving this message because of the following common error(s)
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- This looks like a new version of a previously submitted patch, but you
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  Please read the section entitled "The canonical patch format" in the
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If you wish to discuss this problem further, or you have questions about
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Greg will reply once he has dug out from the pending patches received
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thanks,

greg k-h's patch email bot