From: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
To: 张网 <m202171703@hust.edu.cn>
Cc: Peter Korsgaard <peter@korsgaard.com>,
Andrew Lunn <andrew@lunn.ch>,
hust-os-kernel-patches@googlegroups.com,
linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org,
Dan Carpenter <dan.carpenter@linaro.org>
Subject: Re: [PATCH v3] i2c: ocores: use devm_ managed clks
Date: Thu, 25 May 2023 21:16:32 +0200 [thread overview]
Message-ID: <d63a3757-0f58-d125-b735-7fe86230bc9c@wanadoo.fr> (raw)
In-Reply-To: <5cceb5b5.c1fe.18850f830e0.Coremail.m202171703@hust.edu.cn>
Le 25/05/2023 à 05:33, 张网 a écrit :
> Hi Christophe,
>
> Thanks for your suggestions. However, both clk_get_rate and clk_prepare_enable
> will return 0 if i2c->clk is NULL, so I think we may not need to take this issue
> into account.
>
> Regards,
> Wang Zhang
>
Ouch!
For some reaon, when I read:
> + rate = clk_get_rate(i2c->clk) / 1000;
I read "if i2c->clk is NULL, then the i2c pointer is NULL as well and is
dereferenced".
:/
sorry for the noise.
CJ (slightly ashamed)
next prev parent reply other threads:[~2023-05-25 19:27 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-04-16 7:20 [PATCH] i2c: ocores: add missing unwind goto in `ocores_i2c_probe` Wang Zhang
2023-04-16 15:33 ` Andrew Lunn
2023-04-17 13:27 ` [PATCH v2] i2c: ocores: use devm_ managed clks Wang Zhang
2023-04-17 14:05 ` Wang Zhang
2023-04-17 14:29 ` Peter Rosin
2023-04-17 15:50 ` Andrew Lunn
2023-04-22 12:32 ` [PATCH v3] " Wang Zhang
2023-04-25 9:58 ` 张网
2023-04-25 11:57 ` Andrew Lunn
2023-04-25 14:47 ` 张网
2023-04-25 15:06 ` Andrew Lunn
2023-05-26 7:05 ` [PATCH v4] " Wang Zhang
2023-06-13 23:54 ` Andi Shyti
2023-06-23 8:22 ` Wolfram Sang
2023-06-23 8:26 ` Wolfram Sang
2023-05-23 4:49 ` Re: [PATCH v3] " 张网
2023-05-23 12:10 ` Andrew Lunn
2023-05-23 14:33 ` Wang Zhang
2023-05-24 15:35 ` Wang Zhang
2023-05-24 15:43 ` Wang Zhang
2023-05-24 18:45 ` Dan Carpenter
2023-05-24 19:21 ` Christophe JAILLET
2023-05-25 3:33 ` 张网
2023-05-25 19:16 ` Christophe JAILLET [this message]
2023-05-25 5:05 ` Dan Carpenter
2023-05-25 5:02 ` Dan Carpenter
2023-05-25 9:28 ` Dan Carpenter
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