linux-kernel - Re: [PATCH] misc: phantom: Added missing warning messages in phantom

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Message-ID: <4C9F11A9.7040808@gmail.com>
Date:	Sun, 26 Sep 2010 12:26:01 +0300
From:	Jiri Slaby <jirislaby@...il.com>
To:	Rahul Ruikar <rahul.ruikar@...il.com>
CC:	ak@...ux.intel.com, adobriyan@...il.com, akpm@...ux-foundation.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] misc: phantom: Added missing warning messages in phantom_probe

On 09/25/2010 04:48 PM, Rahul Ruikar wrote:
> phantom_probe can fail at many places. missing warning messages
> have been added for 2 cases.
> pci_enable_device()
> pci_request_regions()
> 
> Signed-off-by: Rahul Ruikar <rahul.ruikar@...il.com>

Acked-by: Jiri Slaby <jirislaby@...il.com>

Andrew, could you take it?

> ---
>  drivers/misc/phantom.c |    8 ++++++--
>  1 files changed, 6 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/misc/phantom.c b/drivers/misc/phantom.c
> index 75ee0d3..b4c105f 100644
> --- a/drivers/misc/phantom.c
> +++ b/drivers/misc/phantom.c
> @@ -341,8 +341,10 @@ static int __devinit phantom_probe(struct pci_dev *pdev,
>  	int retval;
>  
>  	retval = pci_enable_device(pdev);
> -	if (retval)
> +	if (retval) {
> +		dev_err(&pdev->dev, "pci_enable_device failed!\n");
>  		goto err;
> +	}
>  
>  	minor = phantom_get_free();
>  	if (minor == PHANTOM_MAX_MINORS) {
> @@ -354,8 +356,10 @@ static int __devinit phantom_probe(struct pci_dev *pdev,
>  	phantom_devices[minor] = 1;
>  
>  	retval = pci_request_regions(pdev, "phantom");
> -	if (retval)
> +	if (retval) {
> +		dev_err(&pdev->dev, "pci_request_regions failed!\n");
>  		goto err_null;
> +	}
>  
>  	retval = -ENOMEM;
>  	pht = kzalloc(sizeof(*pht), GFP_KERNEL);

thanks,
-- 
js
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