From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lee Jones Date: Mon, 21 Sep 2015 23:23:38 +0000 Subject: Re: [PATCH] backlight: pwm: free pwm requested by legacy API on error path Message-Id: <20150921232338.GG11284@x1> List-Id: References: <1434292334-22312-1-git-send-email-vladimir_zapolskiy@mentor.com> In-Reply-To: <1434292334-22312-1-git-send-email-vladimir_zapolskiy@mentor.com> MIME-Version: 1.0 Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: quoted-printable To: Vladimir Zapolskiy Cc: Jingoo Han , Thierry Reding , linux-pwm@vger.kernel.org, linux-fbdev@vger.kernel.org On Sun, 14 Jun 2015, Vladimir Zapolskiy wrote: > If pwm is requested by legacy pwm_request() and if the following > backlight_device_register() call fails, add pwm_free() clean-up. >=20 > Signed-off-by: Vladimir Zapolskiy > --- > drivers/video/backlight/pwm_bl.c | 2 ++ > 1 file changed, 2 insertions(+) Applied, thanks. > diff --git a/drivers/video/backlight/pwm_bl.c b/drivers/video/backlight/p= wm_bl.c > index 9991cdb..a691247 100644 > --- a/drivers/video/backlight/pwm_bl.c > +++ b/drivers/video/backlight/pwm_bl.c > @@ -307,6 +307,8 @@ static int pwm_backlight_probe(struct platform_device= *pdev) > if (IS_ERR(bl)) { > dev_err(&pdev->dev, "failed to register backlight\n"); > ret =3D PTR_ERR(bl); > + if (pb->legacy) > + pwm_free(pb->pwm); > goto err_alloc; > } > =20 --=20 Lee Jones Linaro STMicroelectronics Landing Team Lead Linaro.org =E2=94=82 Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog