From: Guenter Roeck <linux@roeck-us.net>
To: Martin Kaiser <martin@kaiser.cx>
Cc: Larry Finger <Larry.Finger@lwfinger.net>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
linux-staging@lists.linux.dev, kernel-janitors@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 3/6] staging: rtl8188eu: use safe iterator in expire_timeout_chk
Date: Sun, 16 May 2021 12:24:30 -0700 [thread overview]
Message-ID: <20210516192430.GC2126643@roeck-us.net> (raw)
In-Reply-To: <20210516160613.30489-3-martin@kaiser.cx>
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@kaiser.cx>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
> ---
> 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
>
next prev parent reply other threads:[~2021-05-16 19:24 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-16 16:06 [PATCH 1/6] staging: rtl8188eu: use safe iterator in rtw_free_network_queue Martin Kaiser
2021-05-16 16:06 ` [PATCH 2/6] staging: rtl8188eu: use safe iterator in rtw_free_all_stainfo Martin Kaiser
2021-05-16 19:24 ` Guenter Roeck
2021-05-16 16:06 ` [PATCH 3/6] staging: rtl8188eu: use safe iterator in expire_timeout_chk Martin Kaiser
2021-05-16 19:24 ` Guenter Roeck [this message]
2021-05-16 16:06 ` [PATCH 4/6] staging: rtl8188eu: use safe iterator in rtw_acl_remove_sta Martin Kaiser
2021-05-16 19:24 ` Guenter Roeck
2021-05-16 16:06 ` [PATCH 5/6] staging: rtl8188eu: use safe iterator in rtw_sta_flush Martin Kaiser
2021-05-16 19:24 ` Guenter Roeck
2021-05-16 16:06 ` [PATCH 6/6] staging: rtl8188eu: use safe iterator in rtw_free_xmitframe_queue Martin Kaiser
2021-05-16 19:24 ` Guenter Roeck
2021-05-16 19:24 ` [PATCH 1/6] staging: rtl8188eu: use safe iterator in rtw_free_network_queue Guenter Roeck
2021-05-16 20:03 ` Christophe JAILLET
2021-05-17 20:21 ` Martin Kaiser
2021-05-17 15:57 ` Dan Carpenter
2021-05-18 8:28 ` Dan Carpenter
2021-05-19 14:16 ` Dan Carpenter
2021-05-19 14:16 ` [PATCH] staging: emxx_udc: fix loop in _nbu2ss_nuke() Dan Carpenter
2021-05-19 14:17 ` [PATCH] w1: fix loop in w1_fini() Dan Carpenter
2023-05-08 8:59 ` (subset) " Krzysztof Kozlowski
2021-05-19 14:18 ` [bug report] {net, IB}/mlx5: Manage port association for multiport RoCE Dan Carpenter
2021-05-20 8:09 ` Leon Romanovsky
2021-05-19 14:19 ` [bug report] Bluetooth: L2CAP: Add initial code for Enhanced Credit Based Mode Dan Carpenter
2021-05-19 14:20 ` [PATCH] scsi: libsas: use _safe() loop in sas_resume_port() Dan Carpenter
2021-05-19 14:48 ` John Garry
2021-05-22 4:40 ` Martin K. Petersen
2021-05-17 20:18 ` [PATCH v2 1/6] staging: rtl8188eu: use safe iterator in rtw_free_network_queue Martin Kaiser
2021-05-17 20:18 ` [PATCH v2 2/6] staging: rtl8188eu: use safe iterator in rtw_free_all_stainfo Martin Kaiser
2021-05-17 20:32 ` Guenter Roeck
2021-05-17 20:18 ` [PATCH v2 3/6] staging: rtl8188eu: use safe iterator in expire_timeout_chk Martin Kaiser
2021-05-17 20:33 ` Guenter Roeck
2021-05-17 20:18 ` [PATCH v2 4/6] staging: rtl8188eu: use safe iterator in rtw_acl_remove_sta Martin Kaiser
2021-05-17 20:34 ` Guenter Roeck
2021-05-17 20:18 ` [PATCH v2 5/6] staging: rtl8188eu: use safe iterator in rtw_sta_flush Martin Kaiser
2021-05-17 20:34 ` Guenter Roeck
2021-05-17 20:18 ` [PATCH v2 6/6] staging: rtl8188eu: use safe iterator in rtw_free_xmitframe_queue Martin Kaiser
2021-05-17 20:35 ` Guenter Roeck
2021-05-17 20:30 ` [PATCH v2 1/6] staging: rtl8188eu: use safe iterator in rtw_free_network_queue Guenter Roeck
2021-05-18 7:44 ` Dan Carpenter
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