linux-kernel - Re: [PATCH] pciserial_resume_one ignored return value of pci_enable

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Date:	Mon, 29 Oct 2007 10:46:44 -0400
From:	Jeff Garzik <jeff@...zik.org>
To:	Dirk Hohndel <hohndel@...ux.intel.com>
CC:	Greg KH <gregkh@...e.de>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] pciserial_resume_one ignored return value of pci_enable_device

Dirk Hohndel wrote:
> [PATCH] pciserial_resume_one ignored return value of pci_enable_device
> 
> Signed-off-by: Dirk Hohndel <hohndel@...ux.intel.com>
> 
> ---
>  drivers/serial/8250_pci.c |    5 ++++-
>  1 files changed, 4 insertions(+), 1 deletions(-)
> 
> diff --git a/drivers/serial/8250_pci.c b/drivers/serial/8250_pci.c
> index 0e35756..ceb03c9 100644
> --- a/drivers/serial/8250_pci.c
> +++ b/drivers/serial/8250_pci.c
> @@ -1986,6 +1986,7 @@ static int pciserial_suspend_one(struct pci_dev *dev, pm_message_t state)
>  
>  static int pciserial_resume_one(struct pci_dev *dev)
>  {
> +	int err;
>  	struct serial_private *priv = pci_get_drvdata(dev);
>  
>  	pci_set_power_state(dev, PCI_D0);
> @@ -1995,7 +1996,9 @@ static int pciserial_resume_one(struct pci_dev *dev)
>  		/*
>  		 * The device may have been disabled.  Re-enable it.
>  		 */
> -		pci_enable_device(dev);
> +		err = pci_enable_device(dev);
> +		if (err)
> +			return err;

ACK


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