On Sun, May 16, 2021 at 06:06:10PM +0200, Martin Kaiser wrote:
> In the first loop in expire_timeout_chk, we may call rtw_free_stainfo and
> remove an entry from auth_list.
>
> In the second loop, we may call list_del_init on our list.
>
> Use list_for_each_safe for both loops.
>
> Fixes: 23017c8842d2 ("staging: rtl8188eu: Use list iterators and helpers")
> Signed-off-by: Martin Kaiser <martin@xxxxxxxxx>
Reviewed-by: Guenter Roeck <linux@xxxxxxxxxxxx>
> ---
> compile-tested only
>
> drivers/staging/rtl8188eu/core/rtw_ap.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/staging/rtl8188eu/core/rtw_ap.c b/drivers/staging/rtl8188eu/core/rtw_ap.c
> index ca9a321c4921..a410b42ecb6e 100644
> --- a/drivers/staging/rtl8188eu/core/rtw_ap.c
> +++ b/drivers/staging/rtl8188eu/core/rtw_ap.c
> @@ -164,7 +164,7 @@ static u8 chk_sta_is_alive(struct sta_info *psta)
>
> void expire_timeout_chk(struct adapter *padapter)
> {
> - struct list_head *phead, *plist;
> + struct list_head *phead, *plist, *temp;
> u8 updated = 0;
> struct sta_info *psta = NULL;
> struct sta_priv *pstapriv = &padapter->stapriv;
> @@ -176,7 +176,7 @@ void expire_timeout_chk(struct adapter *padapter)
>
> phead = &pstapriv->auth_list;
> /* check auth_queue */
> - list_for_each(plist, phead) {
> + list_for_each_safe(plist, temp, phead) {
> psta = list_entry(plist, struct sta_info, auth_list);
>
> if (psta->expire_to > 0) {
> --
> 2.20.1
>
