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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>,
	Christophe JAILLET <christophe.jaillet@wanadoo.fr>,
	Dan Carpenter <dan.carpenter@oracle.com>,
	linux-staging@lists.linux.dev, kernel-janitors@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 5/6] staging: rtl8188eu: use safe iterator in rtw_sta_flush
Date: Mon, 17 May 2021 13:34:29 -0700	[thread overview]
Message-ID: <20210517203429.GE3620180@roeck-us.net> (raw)
In-Reply-To: <20210517201826.25150-5-martin@kaiser.cx>

On Mon, May 17, 2021 at 10:18:25PM +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@kaiser.cx>

Reviewed-by: Guenter Roeck <linux@roeck-us.net>

> ---
> 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 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--;
>  
> -- 
> 2.20.1
> 

  reply	other threads:[~2021-05-17 20:34 UTC|newest]

Thread overview: 35+ 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
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 14:17     ` [PATCH] w1: fix loop in w1_fini() Dan Carpenter
2023-05-08  8:59       ` (subset) " Krzysztof Kozlowski
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 [this message]
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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