Re: [Xen-devel] [PATCH] xen/evtchn: use rb_entry()

[Juergen Gross <jgross@xxxxxxxx>]

On 20/12/16 15:02, Geliang Tang wrote:
> To make the code clearer, use rb_entry() instead of container_of() to
> deal with rbtree.
> 
> Signed-off-by: Geliang Tang <geliangtang@xxxxxxxxx>

Committed to xen/tip.git for-linus-4.10


Juergen

> ---
>  drivers/xen/evtchn.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/xen/evtchn.c b/drivers/xen/evtchn.c
> index e8c7f09..6890897 100644
> --- a/drivers/xen/evtchn.c
> +++ b/drivers/xen/evtchn.c
> @@ -125,7 +125,7 @@ static int add_evtchn(struct per_user_data *u, struct 
> user_evtchn *evtchn)
>       while (*new) {
>               struct user_evtchn *this;
>  
> -             this = container_of(*new, struct user_evtchn, node);
> +             this = rb_entry(*new, struct user_evtchn, node);
>  
>               parent = *new;
>               if (this->port < evtchn->port)
> @@ -157,7 +157,7 @@ static struct user_evtchn *find_evtchn(struct 
> per_user_data *u, unsigned port)
>       while (node) {
>               struct user_evtchn *evtchn;
>  
> -             evtchn = container_of(node, struct user_evtchn, node);
> +             evtchn = rb_entry(node, struct user_evtchn, node);
>  
>               if (evtchn->port < port)
>                       node = node->rb_left;
> 


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