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From: Dan Carpenter <dan.carpenter@oracle.com>
To: Martin Kaiser <martin@kaiser.cx>
Cc: Larry Finger <Larry.Finger@lwfinger.net>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Guenter Roeck <linux@roeck-us.net>,
	linux-staging@lists.linux.dev, kernel-janitors@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/6] staging: rtl8188eu: use safe iterator in rtw_free_network_queue
Date: Tue, 18 May 2021 11:28:55 +0300	[thread overview]
Message-ID: <20210518082855.GB32682@kadam> (raw)
In-Reply-To: <20210517155733.GK1955@kadam>

On Mon, May 17, 2021 at 06:57:33PM +0300, Dan Carpenter wrote:
> Thanks for catching these...  I've created a new Smatch static checker
> warning for this but it only works for list_for_each_entry().
> Eventually someone would have run the coccinelle script to convert these
> list_for_each loops into list_for_each_entry().  Otherwise you have to
> parse container_of() and I've been meaning to do that for a while but I
> haven't yet.
> 
> Anyway, I'm going to test it out overnight and see what it finds.  It's
> sort a new use for the modification_hook(), before I had only ever used
> it to silence warnings but this check uses it to trigger warnings.  So
> perhaps it will generate a lot of false positives.  We'll see.
> 
> It sets the state of the iterator to &start at the start of the loop
> and if it's not &start state at the end then it prints a warning.
> 
> regards,
> dan carpenter
> 

That Smatch check didn't work at all.  :P  Back to the drawing board.

regards,
dan carpenter


  reply	other threads:[~2021-05-18  8:29 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 [this message]
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
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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