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Re: [PATCH] Bluetooth: cmtp: Do not use list_for_each_safe when not needed

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On Thu, 16 Jul 2015, Christophe JAILLET wrote:

> There is no need to use the safe version of list_for_each here.
Why not list_for_each_entry?  Maybe it's too much of a change to make at
once...

julia

>
> Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
> ---
>  net/bluetooth/cmtp/capi.c | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/net/bluetooth/cmtp/capi.c b/net/bluetooth/cmtp/capi.c
> index b0c6c6a..4c5e3e0 100644
> --- a/net/bluetooth/cmtp/capi.c
> +++ b/net/bluetooth/cmtp/capi.c
> @@ -100,9 +100,9 @@ static void cmtp_application_del(struct cmtp_session *session, struct cmtp_appli
>  static struct cmtp_application *cmtp_application_get(struct cmtp_session *session, int pattern, __u16 value)
>  {
>  	struct cmtp_application *app;
> -	struct list_head *p, *n;
> +	struct list_head *p;
>
> -	list_for_each_safe(p, n, &session->applications) {
> +	list_for_each(p, &session->applications) {
>  		app = list_entry(p, struct cmtp_application, list);
>  		switch (pattern) {
>  		case CMTP_MSGNUM:
> @@ -511,13 +511,13 @@ static int cmtp_proc_show(struct seq_file *m, void *v)
>  	struct capi_ctr *ctrl = m->private;
>  	struct cmtp_session *session = ctrl->driverdata;
>  	struct cmtp_application *app;
> -	struct list_head *p, *n;
> +	struct list_head *p;
>
>  	seq_printf(m, "%s\n\n", cmtp_procinfo(ctrl));
>  	seq_printf(m, "addr %s\n", session->name);
>  	seq_printf(m, "ctrl %d\n", session->num);
>
> -	list_for_each_safe(p, n, &session->applications) {
> +	list_for_each(p,  &session->applications) {
>  		app = list_entry(p, struct cmtp_application, list);
>  		seq_printf(m, "appl %d -> %d\n", app->appl, app->mapping);
>  	}
> --
> 2.1.4
>
> --
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[PATCH] Bluetooth: cmtp: Do not use list_for_each_safe when not needed Christophe JAILLET <christophe.jaillet@wanadoo.fr> - 2015-07-16 22:20 +0200
  Re: [PATCH] Bluetooth: cmtp: Do not use list_for_each_safe when not  needed Julia Lawall <julia.lawall@lip6.fr> - 2015-07-16 23:00 +0200

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