netdev - Re: [PATCH 19/38] net: atm: add missing put

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-Id: <20131227.124022.439150072696415687.davem@davemloft.net>
Date:	Fri, 27 Dec 2013 12:40:22 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	levex@...ux.com
Cc:	linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH 19/38] net: atm: add missing put_device call

From: Levente Kurusa <levex@...ux.com>
Date: Thu, 19 Dec 2013 16:03:30 +0100

> This is required so that we give up the last reference to the device.
> 
> Signed-off-by: Levente Kurusa <levex@...ux.com>
 ...
> @@ -154,8 +154,10 @@ int atm_register_sysfs(struct atm_dev *adev, struct device *parent)
>  
>  	dev_set_name(cdev, "%s%d", adev->type, adev->number);
>  	err = device_register(cdev);
> -	if (err < 0)
> +	if (err < 0) {
> +		put_device(cdev);
>  		return err;
> +	}

This doesn't make any sense.

Nothing has a reference to 'cdev'.  Yes, 'adev' has a reference,
acquired by the caller of this function, but that's not what we're
working with here.
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html