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From: Vinod Koul <vinod.koul@intel.com>
To: Takashi Iwai <tiwai@suse.de>
Cc: liam.r.girdwood@linux.intel.com, patches.audio@intel.com,
	alsa-devel@alsa-project.org, broonie@kernel.org
Subject: Re: [PATCH] amixer: add support for TLV byte control read
Date: Fri, 29 Jan 2016 19:23:44 +0530	[thread overview]
Message-ID: <20160129135343.GV11130@localhost> (raw)
In-Reply-To: <s5hk2ms5xun.wl-tiwai@suse.de>

On Fri, Jan 29, 2016 at 02:17:20PM +0100, Takashi Iwai wrote:
> > with this change it works and dumps 4K bytes on my screen
> > 
> > @@ -913,6 +913,13 @@ static int skl_tplg_tlv_control_get(struct snd_kcontrol
> > *kcontrol,
> >                 skl_get_module_params(skl->skl_sst, (u32 *)bc->params,
> >                                       bc->max, bc->param_id, mconfig);
> > 
> > +       /* decrement size for TLV header */
> > +       size -= 2 * sizeof(u32);
> 
> The lower bound check is also missing.
> 
> 	if (size < 2 * sizeof(u32))
> 		return -EINVAL;

I thought core and lib do check this, but yes no harm in adding will do so

Thanks
-- 
~Vinod

  reply	other threads:[~2016-01-29 13:49 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-01-22  5:46 [PATCH] amixer: add support for TLV byte control read Vinod Koul
2016-01-22  6:19 ` Takashi Iwai
2016-01-22  7:46   ` Vinod Koul
2016-01-22  8:09     ` Takashi Iwai
2016-01-22  8:26       ` Takashi Iwai
2016-01-22  9:57         ` Vinod Koul
2016-01-22  9:56       ` Vinod Koul
2016-01-22 10:50         ` Takashi Iwai
2016-01-27 17:47           ` Vinod Koul
2016-01-27 18:49             ` Takashi Iwai
2016-01-28  4:25               ` Vinod Koul
2016-01-28  5:49                 ` Takashi Iwai
2016-01-28  9:26                   ` Vinod Koul
2016-01-28 16:19                     ` Takashi Iwai
2016-01-29  6:51                       ` Vinod Koul
2016-01-29 11:13                         ` Vinod Koul
2016-01-29 13:17                           ` Takashi Iwai
2016-01-29 13:53                             ` Vinod Koul [this message]
2016-01-29 13:53                               ` Takashi Iwai

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