linux-kernel - Re: [PATCH v2 2/3] mmc: add module param to set fault injection attributes

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Message-ID: <CAC5umygS+viGcG2wAi=7vbjmiQB1jVgwKNAeZxDxB4WMC-teGg@mail.gmail.com>
Date:	Wed, 14 Sep 2011 19:05:44 +0900
From:	Akinobu Mita <akinobu.mita@...il.com>
To:	Per Forlin <per.forlin@...aro.org>
Cc:	linaro-dev@...ts.linaro.org,
	Linus Walleij <linus.walleij@...aro.org>,
	linux-mmc@...r.kernel.org, Chris Ball <cjb@...top.org>,
	Randy Dunlap <rdunlap@...otime.net>, linux-doc@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 2/3] mmc: add module param to set fault injection attributes

2011/9/14 Per Forlin <per.forlin@...aro.org>:

> +#ifdef CONFIG_FAIL_MMC_REQUEST
> +
> +static DECLARE_FAULT_ATTR(fail_default_attr);
> +static char *fail_request;

This is not used anymore and ...

> +static int fail_mmc_request_param_set(const char *val,
> +                                     const struct kernel_param *kp)
> +{
> +       setup_fault_attr(&fail_default_attr, (char *) val);
> +       return 0;
> +}
> +
> +static const struct kernel_param_ops fail_mmc_request_param_ops = {
> +       .set = fail_mmc_request_param_set
> +};
> +module_param_cb(fail_request, &fail_mmc_request_param_ops,
> +               &fail_request, 0);

you can change this third parameter to NULL.

> +
> +#endif /* CONFIG_FAIL_MMC_REQUEST */
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