Re: [PATCH] staging: rtl8821ae: mark pointer in pci_iounmap as __iomem

From: Greg KH
Date: Sat May 03 2014 - 21:14:19 EST


On Sat, May 03, 2014 at 05:10:48PM +0200, Martin Kepplinger wrote:
> pci_iounmap is used that way in drivers/net/wireless/rtlwifi and this
> fixes sparse warnings.
>
> Signed-off-by: Martin Kepplinger <martink@xxxxxxxxx>
> ---
> drivers/staging/rtl8821ae/pci.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/staging/rtl8821ae/pci.c b/drivers/staging/rtl8821ae/pci.c
> index a562aa6..d934ecb 100644
> --- a/drivers/staging/rtl8821ae/pci.c
> +++ b/drivers/staging/rtl8821ae/pci.c
> @@ -2416,7 +2416,7 @@ fail3:
> ieee80211_free_hw(hw);
>
> if (rtlpriv->io.pci_mem_start != 0)
> - pci_iounmap(pdev, (void *)rtlpriv->io.pci_mem_start);
> + pci_iounmap(pdev, (void __iomem *)rtlpriv->io.pci_mem_start);

Shouldn't pci_mem_start be a __iomem pointer instead?

thanks,

greg k-h
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