Re: [PATCH 1/1] x86: PCI-Calgary: Deletion of an unnecessary check before the function call "free_tce_table"

[Jon Mason]

On Sat, Nov 22, 2014 at 7:00 AM, SF Markus Elfring
<elfring@xxxxxxxxxxxxxxxxxxxxx> wrote:
> From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
> Date: Sat, 22 Nov 2014 12:55:28 +0100
>
> The free_tce_table() function tests whether its argument is NULL and then
> returns immediately. Thus the test around the call is not needed.
>
> This issue was detected by using the Coccinelle software.
>
> Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>

Looks good to me

Acked-by: Jon Mason <jdmason@xxxxxxxx>


> ---
>  arch/x86/kernel/pci-calgary_64.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/arch/x86/kernel/pci-calgary_64.c b/arch/x86/kernel/pci-calgary_64.c
> index 0497f71..d22a386 100644
> --- a/arch/x86/kernel/pci-calgary_64.c
> +++ b/arch/x86/kernel/pci-calgary_64.c
> @@ -1476,8 +1476,7 @@ cleanup:
>         for (--bus; bus >= 0; --bus) {
>                 struct calgary_bus_info *info = &bus_info[bus];
>
> -               if (info->tce_space)
> -                       free_tce_table(info->tce_space);
> +               free_tce_table(info->tce_space);
>         }
>         return -ENOMEM;
>  }
> --
> 2.1.3
>
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