Am 24.06.2015 22:48, schrieb SF Markus Elfring:
> From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
> Date: Wed, 24 Jun 2015 22:40:30 +0200
>
> The kfree() 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>
> ---
> arch/s390/kernel/process.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c
> index dc5edc2..22e6448 100644
> --- a/arch/s390/kernel/process.c
> +++ b/arch/s390/kernel/process.c
> @@ -81,8 +81,7 @@ void release_thread(struct task_struct *dead_task)
>
> void arch_release_task_struct(struct task_struct *tsk)
> {
> - if (tsk->thread.vxrs)
> - kfree(tsk->thread.vxrs);
> + kfree(tsk->thread.vxrs);
> }
>
> int copy_thread(unsigned long clone_flags, unsigned long new_stackp,
maybe the intention was to check tsk != NULL ?
re,
wh
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