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Date: Thu, 6 Sep 2018 22:51:30 +0800 From: zhong jiang <zhongjiang@...wei.com> To: <shawnguo@...nel.org>, <airlied@...ux.ie>, <noralf@...nnes.org>, <daniel.vetter@...el.com> CC: <dri-devel@...ts.freedesktop.org>, <linux-kernel@...r.kernel.org> Subject: Re: [PATCH] gpu: do not double put device node in zx_drm_probe +to maintainer. On 2018/8/17 10:24, zhong jiang wrote: > for_each_available_child_of_node will get and put the node properly, > the following of_node_put will lead to the double put. So just > remove it. > > Signed-off-by: zhong jiang <zhongjiang@...wei.com>gg > --- > drivers/gpu/drm/zte/zx_drm_drv.c | 4 +--- > 1 file changed, 1 insertion(+), 3 deletions(-) > > diff --git a/drivers/gpu/drm/zte/zx_drm_drv.c b/drivers/gpu/drm/zte/zx_drm_drv.c > index 6f4205e8..d7b9870 100644 > --- a/drivers/gpu/drm/zte/zx_drm_drv.c > +++ b/drivers/gpu/drm/zte/zx_drm_drv.c > @@ -161,10 +161,8 @@ static int zx_drm_probe(struct platform_device *pdev) > if (ret) > return ret; > > - for_each_available_child_of_node(parent, child) { > + for_each_available_child_of_node(parent, child) > component_match_add(dev, &match, compare_of, child); > - of_node_put(child); > - } > > return component_master_add_with_match(dev, &zx_drm_master_ops, match); > }
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