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Re: [PATCH V4] PM / OPP: Pass opp_table to dev_pm_opp_put_regulator()

From Viresh Kumar <viresh.kumar@linaro.org>
Newsgroups linux.kernel
Subject Re: [PATCH V4] PM / OPP: Pass opp_table to dev_pm_opp_put_regulator()
Date 2016-11-30 11:50 +0100
Message-ID <sJaCC-4Za-31@gated-at.bofh.it> (permalink)
References <sJ4nv-12s-5@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On 30-11-16, 09:29, Viresh Kumar wrote:
> +struct opp_table *dev_pm_opp_set_regulator(struct device *dev, const char *name)
>  {
>  	struct opp_table *opp_table;
>  	struct regulator *reg;
> -	int ret;
>  
>  	mutex_lock(&opp_table_lock);
>  
>  	opp_table = _add_opp_table(dev);
>  	if (!opp_table) {
> -		ret = -ENOMEM;
> +		opp_table = ERR_PTR(-ENOMEM);
>  		goto unlock;
>  	}
>  
>  	/* This should be called before OPPs are initialized */
>  	if (WARN_ON(!list_empty(&opp_table->opp_list))) {
> -		ret = -EBUSY;
> +		opp_table = ERR_PTR(-EBUSY);

The pointer opp_table shouldn't be overwritten here as it will be used
in the error path. Will resend the patch shortly.

-- 
viresh

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Thread

[PATCH V4] PM / OPP: Pass opp_table to dev_pm_opp_put_regulator() Viresh Kumar <viresh.kumar@linaro.org> - 2016-11-30 05:10 +0100
  Re: [PATCH V4] PM / OPP: Pass opp_table to dev_pm_opp_put_regulator() Joonyoung Shim <jy0922.shim@samsung.com> - 2016-11-30 07:20 +0100
    Re: [PATCH V4] PM / OPP: Pass opp_table to dev_pm_opp_put_regulator() Viresh Kumar <viresh.kumar@linaro.org> - 2016-11-30 09:10 +0100
      Re: [PATCH V4] PM / OPP: Pass opp_table to dev_pm_opp_put_regulator() Joonyoung Shim <jy0922.shim@samsung.com> - 2016-12-01 02:50 +0100
        Re: [PATCH V4] PM / OPP: Pass opp_table to dev_pm_opp_put_regulator() Viresh Kumar <viresh.kumar@linaro.org> - 2016-12-01 04:30 +0100
  Re: [PATCH V4] PM / OPP: Pass opp_table to dev_pm_opp_put_regulator() Viresh Kumar <viresh.kumar@linaro.org> - 2016-11-30 11:50 +0100
  [PATCH V5] PM / OPP: Pass opp_table to dev_pm_opp_put_regulator() Viresh Kumar <viresh.kumar@linaro.org> - 2016-11-30 12:00 +0100
    Re: [PATCH V5] PM / OPP: Pass opp_table to dev_pm_opp_put_regulator() Stephen Boyd <sboyd@codeaurora.org> - 2016-11-30 23:10 +0100
      Re: [PATCH V5] PM / OPP: Pass opp_table to dev_pm_opp_put_regulator() Viresh Kumar <viresh.kumar@linaro.org> - 2016-12-01 01:30 +0100
        Re: [PATCH V5] PM / OPP: Pass opp_table to dev_pm_opp_put_regulator() "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2016-12-01 15:40 +0100

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