On Thu, Nov 22, 2018 at 4:45 AM Jacek Anaszewski <jacek.anaszewski@xxxxxxxxx> wrote: > > Hi Yangtao, > > Thank you for the patch. > > On 11/21/2018 01:31 PM, Yangtao Li wrote: > > of_find_node_by_path() acquires a reference to the node returned by > > it and that reference needs to be dropped by its caller.bl_idle_init() > > doesn't do that, so fix it. > > s/bl_idle_init/powernv_led_probe/ > > I suppose that you adopted the commit message from a fix > for drivers/cpuidle/cpuidle-big_little.c. > > > Signed-off-by: Yangtao Li <tiny.windzz@xxxxxxxxx> > > --- > > drivers/leds/leds-powernv.c | 12 +++++++++--- > > 1 file changed, 9 insertions(+), 3 deletions(-) > > > > diff --git a/drivers/leds/leds-powernv.c b/drivers/leds/leds-powernv.c > > index b1adbd70ce2e..0b1540029034 100644 > > --- a/drivers/leds/leds-powernv.c > > +++ b/drivers/leds/leds-powernv.c > > @@ -285,6 +285,7 @@ static int powernv_led_probe(struct platform_device *pdev) > > struct device_node *led_node; > > struct powernv_led_common *powernv_led_common; > > struct device *dev = &pdev->dev; > > + int rc; > > > > led_node = of_find_node_by_path("/ibm,opal/leds"); > > if (!led_node) { > > @@ -295,15 +296,20 @@ static int powernv_led_probe(struct platform_device *pdev) > > > > powernv_led_common = devm_kzalloc(dev, sizeof(*powernv_led_common), > > GFP_KERNEL); > > - if (!powernv_led_common) > > - return -ENOMEM; > > + if (!powernv_led_common){ > > missing space: > > s/){/) {/ > > > + rc = -ENOMEM; > > + goto out; > > + } > > > > mutex_init(&powernv_led_common->lock); > > powernv_led_common->max_led_type = cpu_to_be64(OPAL_SLOT_LED_TYPE_MAX); > > > > platform_set_drvdata(pdev, powernv_led_common); > > > > - return powernv_led_classdev(pdev, led_node, powernv_led_common); > > + rc = powernv_led_classdev(pdev, led_node, powernv_led_common); > > +out: > > + of_node_put(led_node); > > + return rc; > > } > > > > /* Platform driver remove */ > > > > I've fixed those trivial problems and applied the patch > to the for-next branch of linux-leds.git. > > -- > Best regards, > Jacek Anaszewski Jacek, Yeah,I forget to modify the changlog. Thanks, Yangtao