Message ID | 20201103120743.110662-1-miaoqinglang@huawei.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | [v2] iio: adc: rockchip_saradc: fix missing clk_disable_unprepare() on error in rockchip_saradc_resume | expand |
On Tue, 3 Nov 2020 20:07:43 +0800 Qinglang Miao <miaoqinglang@huawei.com> wrote: > Fix the missing clk_disable_unprepare() of info->pclk > before return from rockchip_saradc_resume in the error > handling case when fails to prepare and enable info->clk. > > Fixes: 44d6f2ef94f9 ("iio: adc: add driver for Rockchip saradc") > Suggested-by:Robin Murphy <robin.murphy@arm.com> > Signed-off-by: Qinglang Miao <miaoqinglang@huawei.com> Looks good to me. I'll just give it a little longer on the list so Heiko and others have a chance to sanity check it. Thanks, Jonathan > --- > v2: remove useless braces because early return is pointless. > > drivers/iio/adc/rockchip_saradc.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/iio/adc/rockchip_saradc.c b/drivers/iio/adc/rockchip_saradc.c > index 1f3d7d639..12584f163 100644 > --- a/drivers/iio/adc/rockchip_saradc.c > +++ b/drivers/iio/adc/rockchip_saradc.c > @@ -462,7 +462,7 @@ static int rockchip_saradc_resume(struct device *dev) > > ret = clk_prepare_enable(info->clk); > if (ret) > - return ret; > + clk_disable_unprepare(info->pclk); > > return ret; > }
On Sun, 8 Nov 2020 15:41:28 +0000 Jonathan Cameron <jic23@kernel.org> wrote: > On Tue, 3 Nov 2020 20:07:43 +0800 > Qinglang Miao <miaoqinglang@huawei.com> wrote: > > > Fix the missing clk_disable_unprepare() of info->pclk > > before return from rockchip_saradc_resume in the error > > handling case when fails to prepare and enable info->clk. > > > > Fixes: 44d6f2ef94f9 ("iio: adc: add driver for Rockchip saradc") > > Suggested-by:Robin Murphy <robin.murphy@arm.com> > > Signed-off-by: Qinglang Miao <miaoqinglang@huawei.com> > > Looks good to me. I'll just give it a little longer on the list so Heiko > and others have a chance to sanity check it. > Applied to the fixes-togreg branch of iio.git and marked for stable. Thanks, Jonathan > Thanks, > > Jonathan > > > --- > > v2: remove useless braces because early return is pointless. > > > > drivers/iio/adc/rockchip_saradc.c | 2 +- > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > diff --git a/drivers/iio/adc/rockchip_saradc.c b/drivers/iio/adc/rockchip_saradc.c > > index 1f3d7d639..12584f163 100644 > > --- a/drivers/iio/adc/rockchip_saradc.c > > +++ b/drivers/iio/adc/rockchip_saradc.c > > @@ -462,7 +462,7 @@ static int rockchip_saradc_resume(struct device *dev) > > > > ret = clk_prepare_enable(info->clk); > > if (ret) > > - return ret; > > + clk_disable_unprepare(info->pclk); > > > > return ret; > > } >
diff --git a/drivers/iio/adc/rockchip_saradc.c b/drivers/iio/adc/rockchip_saradc.c index 1f3d7d639..12584f163 100644 --- a/drivers/iio/adc/rockchip_saradc.c +++ b/drivers/iio/adc/rockchip_saradc.c @@ -462,7 +462,7 @@ static int rockchip_saradc_resume(struct device *dev) ret = clk_prepare_enable(info->clk); if (ret) - return ret; + clk_disable_unprepare(info->pclk); return ret; }
Fix the missing clk_disable_unprepare() of info->pclk before return from rockchip_saradc_resume in the error handling case when fails to prepare and enable info->clk. Fixes: 44d6f2ef94f9 ("iio: adc: add driver for Rockchip saradc") Suggested-by:Robin Murphy <robin.murphy@arm.com> Signed-off-by: Qinglang Miao <miaoqinglang@huawei.com> --- v2: remove useless braces because early return is pointless. drivers/iio/adc/rockchip_saradc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)