Re: [PATCH] Also iounmap when kzalloc fails in tioca_bus_fixup (ia64/sn/pci/tioca_provider.c)

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On Sun, Nov 04, 2007 at 12:50:48AM +0100, Roel Kluin wrote:
> Also iounmap when kzalloc fails

This looks correct to me, so long as calling iounmap() actually
reverses ioremap() in this case.

> Signed-off-by: Roel Kluin <12o3l@xxxxxxxxxx>
> ---
> diff --git a/arch/ia64/sn/pci/tioca_provider.c b/arch/ia64/sn/pci/tioca_provider.c
> index ef048a6..de1ec5c 100644
> --- a/arch/ia64/sn/pci/tioca_provider.c
> +++ b/arch/ia64/sn/pci/tioca_provider.c
> @@ -618,6 +618,7 @@ tioca_bus_fixup(struct pcibus_bussoft *prom_bussoft, struct pci_controller *cont
>  
>  	tioca_kern = kzalloc(sizeof(struct tioca_kernel), GFP_KERNEL);
>  	if (!tioca_kern) {
> +		iounmap(tioca_common->ca_common.bs_base);
>  		kfree(tioca_common);
>  		return NULL;
>  	}
> @@ -637,6 +638,7 @@ tioca_bus_fixup(struct pcibus_bussoft *prom_bussoft, struct pci_controller *cont
>  	/* init GART */
>  
>  	if (tioca_gart_init(tioca_kern) < 0) {
> +		iounmap(tioca_common->ca_common.bs_base);
>  		kfree(tioca_kern);
>  		kfree(tioca_common);
>  		return NULL;
> -
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-- 
Horms
  H: http://www.vergenet.net/~horms/
  W: http://www.valinux.co.jp/en/

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