From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
To: Takashi Iwai <tiwai@suse.de>
Cc: linux-input@vger.kernel.org, linux-kernel@vger.kernel.org,
stable@vger.kernel.org
Subject: Re: [PATCH] Input: elants_i2c - Fix NULL dereference at probing
Date: Wed, 26 May 2021 13:19:51 -0700 [thread overview]
Message-ID: <YK6tZy3E/XZpOAbh@google.com> (raw)
In-Reply-To: <20210526194301.28780-1-tiwai@suse.de>
Hi Takashi,
On Wed, May 26, 2021 at 09:43:01PM +0200, Takashi Iwai wrote:
> The recent change in elants_i2c driver to support more chips
> introduced a regression leading to Oops at probing. The driver reads
> id->driver_data, but the id may be NULL depending on the device type
> the driver gets bound.
>
> Add a NULL check and falls back to the default EKTH3500.
Thank you for the patch. I think my preference would be to switch to
device_get_match_data() and annotate the rest of the match tables with
proper controller types.
Thanks!
--
Dmitry
next prev parent reply other threads:[~2021-05-26 20:19 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-26 19:43 [PATCH] Input: elants_i2c - Fix NULL dereference at probing Takashi Iwai
2021-05-26 20:19 ` Dmitry Torokhov [this message]
2021-05-26 20:44 ` Dmitry Osipenko
2021-05-27 6:22 ` Takashi Iwai
2021-05-27 19:01 ` Dmitry Osipenko
2021-05-27 6:20 ` Takashi Iwai
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