Re: [PATCH 6/12] drivers/platform/x86: Correct redundant test
From: Paulo Marques
Date: Tue Jul 28 2009 - 14:24:42 EST
Julia Lawall wrote:
> [...]
> ---
> drivers/platform/x86/fujitsu-laptop.c | 3 ---
> 1 files changed, 0 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/platform/x86/fujitsu-laptop.c b/drivers/platform/x86/fujitsu-laptop.c
> index 218b9a1..5306901 100644
> --- a/drivers/platform/x86/fujitsu-laptop.c
> +++ b/drivers/platform/x86/fujitsu-laptop.c
> @@ -745,9 +745,6 @@ static int acpi_fujitsu_remove(struct acpi_device *device, int type)
>
> fujitsu = acpi_driver_data(device);
>
> - if (!device || !acpi_driver_data(device))
> - return -EINVAL;
> -
Shouldn't this still do a:
if (!fujitsu)
return -EINVAL;
to avoid dereferencing a NULL pointer below?
> fujitsu->acpi_handle = NULL;
>
> return 0;
--
Paulo Marques - www.grupopie.com
"All I ask is a chance to prove that money can't make me happy."
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