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authorMartin Kaiser <martin@kaiser.cx>2021-05-17 22:18:24 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-05-19 17:54:51 +0200
commitb0f2044c61d9ef309252d25d16d6cce6e8fcae6b (patch)
tree56959da7799d567c1b33c09340be2f01a7f70d2d
parent39b19c63a39a2de6516383774a529287f04a243e (diff)
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staging: rtl8188eu: use safe iterator in rtw_acl_remove_sta
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@kaiser.cx> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Link: https://lore.kernel.org/r/20210517201826.25150-4-martin@kaiser.cx Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/staging/rtl8188eu/core/rtw_ap.c8
1 files 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;