On Wed, Oct 29, 2014 at 05:59:47PM +0800, Liu Ying wrote:
> Instead of setting grp->id directly with a temporary value and
> then changing it if a certain condition meets, we may check
> the condition first and then decide which value should be set
> to grp->id.  This may save two lines of code and potentially
> reduces a writing operation.
> 
> Signed-off-by: Liu Ying <[email protected]>
> ---
>  drivers/base/devres.c | 4 +---
>  1 file changed, 1 insertion(+), 3 deletions(-)
> 
> diff --git a/drivers/base/devres.c b/drivers/base/devres.c
> index c8a53d1..39e1856 100644
> --- a/drivers/base/devres.c
> +++ b/drivers/base/devres.c
> @@ -544,9 +544,7 @@ void * devres_open_group(struct device *dev, void *id, 
> gfp_t gfp)
>       INIT_LIST_HEAD(&grp->node[1].entry);
>       set_node_dbginfo(&grp->node[0], "grp<", 0);
>       set_node_dbginfo(&grp->node[1], "grp>", 0);
> -     grp->id = grp;
> -     if (id)
> -             grp->id = id;
> +     grp->id = id ? id : grp;

Ick, I _hate_ ? : lines, please don't do that.

greg k-h
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