From: Lukas Wunner <lukas@wunner.de>
To: Yang Yingliang <yangyingliang@huawei.com>
Cc: linux-spi@vger.kernel.org, broonie@kernel.org
Subject: Re: [PATCH -next 1/6] spi: oc-tiny: Switch to use devm_spi_alloc_master()
Date: Fri, 23 Sep 2022 06:55:07 +0200 [thread overview]
Message-ID: <20220923045507.GA5066@wunner.de> (raw)
In-Reply-To: <20220920134819.2981033-2-yangyingliang@huawei.com>
On Tue, Sep 20, 2022 at 09:48:14PM +0800, Yang Yingliang wrote:
> Switch to use devm_spi_alloc_master() to simpify error path.
That's not sufficient. You also need to remove the call to
spi_master_put() from tiny_spi_remove(), lest you introduce
a use-after-free.
Thanks,
Lukas
next prev parent reply other threads:[~2022-09-23 4:55 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-20 13:48 [PATCH -next 0/6] spi: Switch to use devm_spi_alloc_master() in some drivers Yang Yingliang
2022-09-20 13:48 ` [PATCH -next 1/6] spi: oc-tiny: Switch to use devm_spi_alloc_master() Yang Yingliang
2022-09-23 4:55 ` Lukas Wunner [this message]
2022-09-20 13:48 ` [PATCH -next 2/6] spi: ath79: " Yang Yingliang
2022-09-23 5:00 ` Lukas Wunner
2022-09-20 13:48 ` [PATCH -next 3/6] spi: omap-uwire: " Yang Yingliang
2022-09-23 5:06 ` Lukas Wunner
2022-09-20 13:48 ` [PATCH -next 4/6] spi: ppc4xx: " Yang Yingliang
2022-09-20 13:48 ` [PATCH -next 5/6] spi: sh-sci: " Yang Yingliang
2022-09-20 13:48 ` [PATCH -next 6/6] spi: altera: " Yang Yingliang
2022-09-20 18:33 ` [PATCH -next 0/6] spi: Switch to use devm_spi_alloc_master() in some drivers Mark Brown
2022-09-21 2:02 ` Yang Yingliang
2022-09-21 12:37 ` Mark Brown
2022-09-21 13:19 ` Yang Yingliang
2022-09-23 5:39 ` Lukas Wunner
2022-09-23 4:42 ` Lukas Wunner
2022-09-23 10:12 ` Mark Brown
2022-09-23 14:48 ` Yang Yingliang
2022-09-23 5:33 ` Lukas Wunner
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