From: "Rafael J. Wysocki" <rjw@rjwysocki.net>
To: Viresh Kumar <viresh.kumar@linaro.org>
Cc: Dan Carpenter <dan.carpenter@oracle.com>,
Pavel Machek <pavel@ucw.cz>, Len Brown <len.brown@intel.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Stephen Boyd <sboyd@codeaurora.org>,
Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>,
linux-pm@vger.kernel.org, kernel-janitors@vger.kernel.org
Subject: Re: [patch] PM / OPP: passing NULL to PTR_ERR()
Date: Fri, 25 Sep 2015 21:55:29 +0000 [thread overview]
Message-ID: <6540909.mH5lzIF4eN@vostro.rjw.lan> (raw)
In-Reply-To: <20150921185939.GB24314@linux>
On Monday, September 21, 2015 11:59:39 AM Viresh Kumar wrote:
> On 21-09-15, 19:26, Dan Carpenter wrote:
> > The code was using PTR_ERR(NULL) which causes a static checker warning.
> > I have fixed up the printks and changed the return to -ENOENT.
> >
> > Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
> >
> > diff --git a/drivers/base/power/opp/cpu.c b/drivers/base/power/opp/cpu.c
> > index 3d946b5..7654c56 100644
> > --- a/drivers/base/power/opp/cpu.c
> > +++ b/drivers/base/power/opp/cpu.c
> > @@ -223,8 +223,7 @@ int dev_pm_opp_of_get_sharing_cpus(struct device *cpu_dev, cpumask_var_t cpumask
> > /* Get OPP descriptor node */
> > np = _of_get_opp_desc_node(cpu_dev);
> > if (!np) {
> > - dev_dbg(cpu_dev, "%s: Couldn't find opp node: %ld\n", __func__,
> > - PTR_ERR(np));
> > + dev_dbg(cpu_dev, "%s: Couldn't find cpu_dev node.\n", __func__);
> > return -ENOENT;
> > }
> >
> > @@ -247,9 +246,9 @@ int dev_pm_opp_of_get_sharing_cpus(struct device *cpu_dev, cpumask_var_t cpumask
> > /* Get OPP descriptor node */
> > tmp_np = _of_get_opp_desc_node(tcpu_dev);
> > if (!tmp_np) {
> > - dev_err(tcpu_dev, "%s: Couldn't find opp node: %ld\n",
> > - __func__, PTR_ERR(tmp_np));
> > - ret = PTR_ERR(tmp_np);
> > + dev_err(tcpu_dev, "%s: Couldn't find tcpu_dev node.\n",
> > + __func__);
> > + ret = -ENOENT;
> > goto put_cpu_node;
> > }
>
> Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Applied, thanks!
Rafael
prev parent reply other threads:[~2015-09-25 21:55 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-21 16:26 [patch] PM / OPP: passing NULL to PTR_ERR() Dan Carpenter
2015-09-21 18:59 ` Viresh Kumar
2015-09-25 21:55 ` Rafael J. Wysocki [this message]
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