linux-kernel - Re: [PATCH] video:uvesafb: check the return value of kzalloc

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: <503695F1.50207@gmx.de>
Date:	Thu, 23 Aug 2012 20:43:29 +0000
From:	Florian Tobias Schandinat <FlorianSchandinat@....de>
To:	Wang YanQing <udknight@...il.com>, linux-fbdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, spock@...too.org
Subject: Re: [PATCH] video:uvesafb: check the return value of kzalloc

On 08/13/2012 10:02 AM, Wang YanQing wrote:
> 
> Michal maybe forgot it merely, we should add code
> to check the return value of kzalloc to make the
> code more robust.
> 
> Signed-off-by: Wang YanQing <udknight@...il.com>

Applied.


Thanks,

Florian Tobias Schandinat

> ---
>  drivers/video/uvesafb.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/video/uvesafb.c b/drivers/video/uvesafb.c
> index b0e2a42..2f8f82d 100644
> --- a/drivers/video/uvesafb.c
> +++ b/drivers/video/uvesafb.c
> @@ -659,6 +659,8 @@ static int __devinit uvesafb_vbe_getedid(struct uvesafb_ktask *task,
>  	task->t.flags = TF_BUF_RET | TF_BUF_ESDI;
>  	task->t.buf_len = EDID_LENGTH;
>  	task->buf = kzalloc(EDID_LENGTH, GFP_KERNEL);
> +	if (!task->buf)
> +		return -ENOMEM;
>  
>  	err = uvesafb_exec(task);
>  

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/