linux-kernel - Re: [PATCH] ieee802154/adf7242: fix memory leak of firmware

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 for Android: free password hash cracker in your pocket

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

Date:	Thu, 7 Apr 2016 13:09:57 +0200
From:	Michael Hennerich <michael.hennerich@...log.com>
To:	Sudip Mukherjee <sudipm.mukherjee@...il.com>,
	Alexander Aring <aar@...gutronix.de>
CC:	<linux-kernel@...r.kernel.org>, <linux-wpan@...r.kernel.org>,
	<netdev@...r.kernel.org>
Subject: Re: [PATCH] ieee802154/adf7242: fix memory leak of firmware

On 04/07/2016 01:16 PM, Sudip Mukherjee wrote:
> If the firmware upload or the firmware verification fails then we
> printed the error message and exited but we missed releasing the
> firmware.
>
> Signed-off-by: Sudip Mukherjee <sudip.mukherjee@...ethink.co.uk>

Acked-by: Michael Hennerich <michael.hennerich@...log.com>

> ---
>   drivers/net/ieee802154/adf7242.c | 2 ++
>   1 file changed, 2 insertions(+)
>
> diff --git a/drivers/net/ieee802154/adf7242.c b/drivers/net/ieee802154/adf7242.c
> index 89154c0..91d4531 100644
> --- a/drivers/net/ieee802154/adf7242.c
> +++ b/drivers/net/ieee802154/adf7242.c
> @@ -1030,6 +1030,7 @@ static int adf7242_hw_init(struct adf7242_local *lp)
>   	if (ret) {
>   		dev_err(&lp->spi->dev,
>   			"upload firmware failed with %d\n", ret);
> +		release_firmware(fw);
>   		return ret;
>   	}
>
> @@ -1037,6 +1038,7 @@ static int adf7242_hw_init(struct adf7242_local *lp)
>   	if (ret) {
>   		dev_err(&lp->spi->dev,
>   			"verify firmware failed with %d\n", ret);
> +		release_firmware(fw);
>   		return ret;
>   	}
>
>


-- 
Greetings,
Michael

--
Analog Devices GmbH      Wilhelm-Wagenfeld-Str. 6      80807 Muenchen
Sitz der Gesellschaft: Muenchen; Registergericht: Muenchen HRB 40368;
Geschaeftsfuehrer:Dr.Carsten Suckrow, Thomas Wessel, William A. Martin,
Margaret Seif