diff mbox

[3/5] thermal: exynos: Use IS_ERR() because regulator cannot be NULL

Message ID 1444282446-6419-3-git-send-email-k.kozlowski@samsung.com (mailing list archive)
State New, archived
Headers show

Commit Message

Krzysztof Kozlowski Oct. 8, 2015, 5:34 a.m. UTC
The NULL check in probe's error path is not needed because in that time
the regulator cannot be NULL (regulator_get() returns valid pointer or
ERR_PTR).

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
---
 drivers/thermal/samsung/exynos_tmu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Alim Akhtar Oct. 8, 2015, 4:46 p.m. UTC | #1
Hello,

On Thu, Oct 8, 2015 at 11:04 AM, Krzysztof Kozlowski
<k.kozlowski@samsung.com> wrote:
> The NULL check in probe's error path is not needed because in that time
> the regulator cannot be NULL (regulator_get() returns valid pointer or
> ERR_PTR).
>
> Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
> ---
Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>

>  drivers/thermal/samsung/exynos_tmu.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/thermal/samsung/exynos_tmu.c b/drivers/thermal/samsung/exynos_tmu.c
> index bc71a61f0c4a..eac6aebf82f3 100644
> --- a/drivers/thermal/samsung/exynos_tmu.c
> +++ b/drivers/thermal/samsung/exynos_tmu.c
> @@ -1396,7 +1396,7 @@ err_clk_sec:
>         if (!IS_ERR(data->clk_sec))
>                 clk_unprepare(data->clk_sec);
>  err_sensor:
> -       if (!IS_ERR_OR_NULL(data->regulator))
> +       if (!IS_ERR(data->regulator))
>                 regulator_disable(data->regulator);
>
>         return ret;
> --
> 1.9.1
>
> --
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> the body of a message to majordomo@vger.kernel.org
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Lukasz Majewski Nov. 4, 2015, 11:17 a.m. UTC | #2
Hi Alim,

> Hello,
> 
> On Thu, Oct 8, 2015 at 11:04 AM, Krzysztof Kozlowski
> <k.kozlowski@samsung.com> wrote:
> > The NULL check in probe's error path is not needed because in that
> > time the regulator cannot be NULL (regulator_get() returns valid
> > pointer or ERR_PTR).
> >
> > Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
> > ---
> Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
> 
> >  drivers/thermal/samsung/exynos_tmu.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/thermal/samsung/exynos_tmu.c
> > b/drivers/thermal/samsung/exynos_tmu.c index
> > bc71a61f0c4a..eac6aebf82f3 100644 ---
> > a/drivers/thermal/samsung/exynos_tmu.c +++
> > b/drivers/thermal/samsung/exynos_tmu.c @@ -1396,7 +1396,7 @@
> > err_clk_sec: if (!IS_ERR(data->clk_sec))
> >                 clk_unprepare(data->clk_sec);
> >  err_sensor:
> > -       if (!IS_ERR_OR_NULL(data->regulator))
> > +       if (!IS_ERR(data->regulator))
> >                 regulator_disable(data->regulator);
> >
> >         return ret;
> > --
> > 1.9.1
> >
> > --
> > To unsubscribe from this list: send the line "unsubscribe
> > linux-samsung-soc" in the body of a message to
> > majordomo@vger.kernel.org More majordomo info at
> > http://vger.kernel.org/majordomo-info.html
> 
> 
> 

Acked-by: Lukasz Majewski <l.majewski@samsung.com>
Tested-by: Lukasz Majewski <l.majewski@samsung.com>
diff mbox

Patch

diff --git a/drivers/thermal/samsung/exynos_tmu.c b/drivers/thermal/samsung/exynos_tmu.c
index bc71a61f0c4a..eac6aebf82f3 100644
--- a/drivers/thermal/samsung/exynos_tmu.c
+++ b/drivers/thermal/samsung/exynos_tmu.c
@@ -1396,7 +1396,7 @@  err_clk_sec:
 	if (!IS_ERR(data->clk_sec))
 		clk_unprepare(data->clk_sec);
 err_sensor:
-	if (!IS_ERR_OR_NULL(data->regulator))
+	if (!IS_ERR(data->regulator))
 		regulator_disable(data->regulator);
 
 	return ret;