On Mon, May 17, 2021 at 10:18:24PM +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 6d7c96f1aa42..d297d5301153 100644
> --- a/drivers/staging/rtl8188eu/core/rtw_ap.c
> +++ b/drivers/staging/rtl8188eu/core/rtw_ap.c
> @@ -1068,8 +1068,8 @@ int rtw_acl_add_sta(struct adapter *padapter, u8 *addr)
>
> int rtw_acl_remove_sta(struct adapter *padapter, u8 *addr)
> {
> - struct list_head *plist, *phead;
> - struct rtw_wlan_acl_node *paclnode;
> + struct list_head *phead;
> + struct rtw_wlan_acl_node *paclnode, *temp;
> struct sta_priv *pstapriv = &padapter->stapriv;
> struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
> struct __queue *pacl_node_q = &pacl_list->acl_node_q;
> @@ -1079,9 +1079,7 @@ int rtw_acl_remove_sta(struct adapter *padapter, u8 *addr)
> spin_lock_bh(&pacl_node_q->lock);
>
> phead = get_list_head(pacl_node_q);
> - list_for_each(plist, phead) {
> - paclnode = list_entry(plist, struct rtw_wlan_acl_node, list);
> -
> + list_for_each_entry_safe(paclnode, temp, phead, list) {
> if (!memcmp(paclnode->addr, addr, ETH_ALEN)) {
> if (paclnode->valid) {
> paclnode->valid = false;
> --
> 2.20.1
>
