linux-kernel - [PATCH] gpu: do not double put device node in zx_drm

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Message-ID: <1534472646-10368-1-git-send-email-zhongjiang@huawei.com>
Date:   Fri, 17 Aug 2018 10:24:06 +0800
From:   zhong jiang <zhongjiang@...wei.com>
To:     <shawnguo@...nel.org>, <airlied@...ux.ie>
CC:     <dri-devel@...ts.freedesktop.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH] gpu: do not double put device node in zx_drm_probe

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>
---
 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);
 }
-- 
1.7.12.4