On Mon, May 17, 2021 at 10:18:25PM +0200, Martin Kaiser wrote:
> Use list_for_each_entry_safe, we may delete list items while iterating
> over the list.
>
> Fixes: 23017c8842d2 ("staging: rtl8188eu: Use list iterators and helpers")
> Signed-off-by: Martin Kaiser <martin@xxxxxxxxx>
Reviewed-by: Guenter Roeck <linux@xxxxxxxxxxxx>
> ---
> v2:
> - use list_for_each_entry_safe
>
> drivers/staging/rtl8188eu/core/rtw_ap.c | 8 +++-----
> 1 file changed, 3 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/staging/rtl8188eu/core/rtw_ap.c b/drivers/staging/rtl8188eu/core/rtw_ap.c
> index d297d5301153..bbecb07274f6 100644
> --- a/drivers/staging/rtl8188eu/core/rtw_ap.c
> +++ b/drivers/staging/rtl8188eu/core/rtw_ap.c
> @@ -1573,8 +1573,8 @@ u8 ap_free_sta(struct adapter *padapter, struct sta_info *psta,
>
> int rtw_sta_flush(struct adapter *padapter)
> {
> - struct list_head *phead, *plist;
> - struct sta_info *psta = NULL;
> + struct list_head *phead;
> + struct sta_info *psta, *temp;
> struct sta_priv *pstapriv = &padapter->stapriv;
> struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
> struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
> @@ -1588,9 +1588,7 @@ int rtw_sta_flush(struct adapter *padapter)
> spin_lock_bh(&pstapriv->asoc_list_lock);
> phead = &pstapriv->asoc_list;
> /* free sta asoc_queue */
> - list_for_each(plist, phead) {
> - psta = list_entry(plist, struct sta_info, asoc_list);
> -
> + list_for_each_entry_safe(psta, temp, phead, asoc_list) {
> list_del_init(&psta->asoc_list);
> pstapriv->asoc_list_cnt--;
>
> --
> 2.20.1
>
