SF Markus Elfring wrote:
> From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
> Date: Thu, 5 Nov 2015 21:32:42 +0100
>
> The unregister_sysctl_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>
Acked-by: Clemens Ladisch <clemens@xxxxxxxxxx>
> ---
> drivers/char/hpet.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c
> index 240b6cf..fe511e9 100644
> --- a/drivers/char/hpet.c
> +++ b/drivers/char/hpet.c
> @@ -1069,8 +1069,7 @@ static int __init hpet_init(void)
>
> result = acpi_bus_register_driver(&hpet_acpi_driver);
> if (result < 0) {
> - if (sysctl_header)
> - unregister_sysctl_table(sysctl_header);
> + unregister_sysctl_table(sysctl_header);
> misc_deregister(&hpet_misc);
> return result;
> }
--
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