Re: [Outreachy kernel] [PATCH] Staging: rtl8188eu: core: Use list_for_each_entry_safe

[Julia Lawall <julia.lawall@lip6.fr>]

Again, you have three patches on different files with the same subject
line.  You could add the file name eg rtw_ap: to the subject line to make
them unique.

julia

On Wed, 4 Oct 2017, Srishti Sharma wrote:

> Use list_for_each_entry_safe to make the code more compact. Done
> by the following semantic patch by coccinelle.
>
> @r@
> struct list_head* l;
> expression e;
> identifier m,list_del_init,f;
> type T1;
> T1* pos;
> iterator name list_for_each_entry_safe;
> @@
>
> f(...){
>
> +T1* tmp;
> <+...
> -while(...)
> +list_for_each_entry_safe(pos,tmp,l,m)
> {
> ...
> -pos = container_of(l,T1,m);
> ...
> -l=e;
>  <+...
>  list_del_init(&pos->m)
>  ...+>
> }
> ...+>
>
> }
>
> Signed-off-by: Srishti Sharma <srishtishar@gmail.com>
> ---
>  drivers/staging/rtl8188eu/core/rtw_ap.c | 12 +++---------
>  1 file changed, 3 insertions(+), 9 deletions(-)
>
> diff --git a/drivers/staging/rtl8188eu/core/rtw_ap.c b/drivers/staging/rtl8188eu/core/rtw_ap.c
> index a2c599f..551af9e 100644
> --- a/drivers/staging/rtl8188eu/core/rtw_ap.c
> +++ b/drivers/staging/rtl8188eu/core/rtw_ap.c
> @@ -280,7 +280,7 @@ void	expire_timeout_chk(struct adapter *padapter)
>  {
>  	struct list_head *phead, *plist;
>  	u8 updated = 0;
> -	struct sta_info *psta = NULL;
> +	struct sta_info *psta = NULL, *tmp;
>  	struct sta_priv *pstapriv = &padapter->stapriv;
>  	u8 chk_alive_num = 0;
>  	char chk_alive_list[NUM_STA];
> @@ -292,10 +292,7 @@ void	expire_timeout_chk(struct adapter *padapter)
>  	plist = phead->next;
>
>  	/* check auth_queue */
> -	while (phead != plist) {
> -		psta = container_of(plist, struct sta_info, auth_list);
> -		plist = plist->next;
> -
> +	list_for_each_entry_safe(psta, tmp, plist, auth_list) {
>  		if (psta->expire_to > 0) {
>  			psta->expire_to--;
>  			if (psta->expire_to == 0) {
> @@ -326,10 +323,7 @@ void	expire_timeout_chk(struct adapter *padapter)
>  	plist = phead->next;
>
>  	/* check asoc_queue */
> -	while (phead != plist) {
> -		psta = container_of(plist, struct sta_info, asoc_list);
> -		plist = plist->next;
> -
> +	list_for_each_entry_safe(psta, tmp, plist, asoc_list) {
>  		if (chk_sta_is_alive(psta) || !psta->expire_to) {
>  			psta->expire_to = pstapriv->expire_to;
>  			psta->keep_alive_trycnt = 0;
> --
> 2.7.4
>
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