summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorMartin Kaiser <martin@kaiser.cx>2021-05-17 22:18:25 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-05-19 17:54:51 +0200
commit2253748164d8bbe0831710fcd5d4d2c353b04a70 (patch)
tree48f1ea9278a03f3a119469f0a47b0bbf732e008f
parentb0f2044c61d9ef309252d25d16d6cce6e8fcae6b (diff)
downloadlinux-2253748164d8bbe0831710fcd5d4d2c353b04a70.tar.gz
linux-2253748164d8bbe0831710fcd5d4d2c353b04a70.tar.bz2
linux-2253748164d8bbe0831710fcd5d4d2c353b04a70.zip
staging: rtl8188eu: use safe iterator in rtw_sta_flush
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/20210517201826.25150-5-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 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--;