linux-kernel - Re: [PATCH] staging: pi433: fix race condition in pi433

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Message-ID: <20180619140804.rly7oey6jsbznfg3@mwanda>
Date:   Tue, 19 Jun 2018 17:08:05 +0300
From:   Dan Carpenter <dan.carpenter@...cle.com>
To:     Hugo Lefeuvre <hle@....eu.com>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        devel@...verdev.osuosl.org,
        Marcus Wolf <linux@...f-entwicklungen.de>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] staging: pi433: fix race condition in pi433_open

On Tue, Jun 19, 2018 at 09:42:20AM -0400, Hugo Lefeuvre wrote:
> This TODO seems to be related to this misunderstanding too:
> 
>  890         /* TODO? guard against device removal before, or while,
>  891          * we issue this ioctl. --> device_get()
>  892          */
> 
> Device removal can't happen before or during the ioctl execution.

Correct.  Just delete the comment.

regards,
dan carpenter