From: Andreas Oberritter <obi@linuxtv.org>
To: Dan Carpenter <error27@gmail.com>
Cc: Mauro Carvalho Chehab <mchehab@infradead.org>,
linux-media@vger.kernel.org, kernel-janitors@vger.kernel.org
Subject: Re: [patch] [media] av7110: make array offset unsigned
Date: Fri, 07 Jan 2011 12:44:15 +0000 [thread overview]
Message-ID: <4D270A9F.7080104@linuxtv.org> (raw)
In-Reply-To: <20110106194059.GC1717@bicker>
On 01/06/2011 08:41 PM, Dan Carpenter wrote:
> In the CA_GET_SLOT_INFO ioctl, we only check whether "num" is too large,
> but we don't check if it's negative.
>
> drivers/media/dvb/ttpci/av7110_ca.c
> 278 ca_slot_info_t *info=(ca_slot_info_t *)parg;
> 279
> 280 if (info->num > 1)
> 281 return -EINVAL;
> 282 av7110->ci_slot[info->num].num = info->num;
>
> Let's just make it unsigned.
>
> Signed-off-by: Dan Carpenter <error27@gmail.com>
Nack. You're changing an interface to userspace. Please add a check to
av7110_ca.c instead.
Regards,
Andreas
WARNING: multiple messages have this Message-ID (diff)
From: Andreas Oberritter <obi@linuxtv.org>
To: Dan Carpenter <error27@gmail.com>
Cc: Mauro Carvalho Chehab <mchehab@infradead.org>,
linux-media@vger.kernel.org, kernel-janitors@vger.kernel.org
Subject: Re: [patch] [media] av7110: make array offset unsigned
Date: Fri, 07 Jan 2011 13:44:15 +0100 [thread overview]
Message-ID: <4D270A9F.7080104@linuxtv.org> (raw)
In-Reply-To: <20110106194059.GC1717@bicker>
On 01/06/2011 08:41 PM, Dan Carpenter wrote:
> In the CA_GET_SLOT_INFO ioctl, we only check whether "num" is too large,
> but we don't check if it's negative.
>
> drivers/media/dvb/ttpci/av7110_ca.c
> 278 ca_slot_info_t *info=(ca_slot_info_t *)parg;
> 279
> 280 if (info->num > 1)
> 281 return -EINVAL;
> 282 av7110->ci_slot[info->num].num = info->num;
>
> Let's just make it unsigned.
>
> Signed-off-by: Dan Carpenter <error27@gmail.com>
Nack. You're changing an interface to userspace. Please add a check to
av7110_ca.c instead.
Regards,
Andreas
next prev parent reply other threads:[~2011-01-07 12:44 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-06 19:41 [patch] [media] av7110: make array offset unsigned Dan Carpenter
2011-01-06 19:41 ` Dan Carpenter
2011-01-07 12:44 ` Andreas Oberritter [this message]
2011-01-07 12:44 ` Andreas Oberritter
2011-01-07 13:46 ` [patch v2] [media] av7110: check for negative array offset Dan Carpenter
2011-01-07 13:46 ` Dan Carpenter
2011-01-07 19:01 ` Oliver Endriss
2011-01-07 19:01 ` Oliver Endriss
2011-01-07 19:41 ` [patch v3] " Dan Carpenter
2011-01-07 19:41 ` Dan Carpenter
2011-01-12 12:44 ` walter harms
2011-01-12 13:30 ` Jorge Merlino
2011-01-12 15:49 ` walter harms
2011-01-07 13:51 ` [patch] [media] av7110: make array offset unsigned Dan Carpenter
2011-01-07 13:51 ` Dan Carpenter
2011-01-07 14:02 ` Vasiliy Kulikov
2011-01-07 14:02 ` Vasiliy Kulikov
2011-01-07 14:05 ` Andreas Oberritter
2011-01-07 14:05 ` Andreas Oberritter
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