From: Vinod Koul <vkoul@kernel.org>
To: Bard Liao <yung-chuan.liao@linux.intel.com>
Cc: alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org,
gregkh@linuxfoundation.org, srinivas.kandagatla@linaro.org,
rander.wang@linux.intel.com, hui.wang@canonical.com,
pierre-louis.bossart@linux.intel.com, sanyog.r.kale@intel.com,
bard.liao@intel.com
Subject: Re: [PATCH v2] soundwire: intel_init: test link->cdns
Date: Tue, 6 Apr 2021 10:26:55 +0530 [thread overview]
Message-ID: <YGvqF43nP9OE7Y8d@vkoul-mobl.Dlink> (raw)
In-Reply-To: <20210406010101.11442-1-yung-chuan.liao@linux.intel.com>
On 06-04-21, 09:01, Bard Liao wrote:
> intel_link_probe() could return error and dev_get_drvdata() will return
> null in such case. So we have to test link->cdns after
> link->cdns = dev_get_drvdata(&ldev->auxdev.dev);
> Otherwise, we will meet the "kernel NULL pointer dereference" error.
Applied, thanks
--
~Vinod
prev parent reply other threads:[~2021-04-06 4:57 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-06 1:01 [PATCH v2] soundwire: intel_init: test link->cdns Bard Liao
2021-04-06 4:56 ` Vinod Koul [this message]
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