From: Guenter Roeck <linux@roeck-us.net>
To: Xu Wang <vulab@iscas.ac.cn>,
jk@ozlabs.org, joel@jms.id.au, alistair@popple.id.au,
eajames@linux.ibm.com, linux-fsi@lists.ozlabs.org
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] fsi: fsi-occ: fix return value check in occ_probe()
Date: Mon, 20 Jul 2020 07:44:50 -0700 [thread overview]
Message-ID: <7b62ee5d-a96e-bcf4-e62c-c5575f137eb3@roeck-us.net> (raw)
In-Reply-To: <20200713033313.21487-1-vulab@iscas.ac.cn>
On 7/12/20 8:33 PM, Xu Wang wrote:
> In case of error, the function platform_device_register_full()
> returns ERR_PTR() and never returns NULL. The NULL test in the
> return value check should be replaced with IS_ERR().
>
> Signed-off-by: Xu Wang <vulab@iscas.ac.cn>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
> ---
> drivers/fsi/fsi-occ.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/fsi/fsi-occ.c b/drivers/fsi/fsi-occ.c
> index 7da9c81759ac..9eeb856c8905 100644
> --- a/drivers/fsi/fsi-occ.c
> +++ b/drivers/fsi/fsi-occ.c
> @@ -555,7 +555,7 @@ static int occ_probe(struct platform_device *pdev)
>
> hwmon_dev_info.id = occ->idx;
> hwmon_dev = platform_device_register_full(&hwmon_dev_info);
> - if (!hwmon_dev)
> + if (IS_ERR(hwmon_dev))
> dev_warn(dev, "failed to create hwmon device\n");
>
> return 0;
>
prev parent reply other threads:[~2020-07-20 14:44 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-13 3:33 Xu Wang
2020-07-13 14:21 ` Eddie James
2020-07-20 14:44 ` Guenter Roeck [this message]
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