linux-kernel - [PATCH] bus: qcom-ebi2: add missing of_node

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Message-Id: <20210216113053.1722-1-angkery@163.com>
Date:   Tue, 16 Feb 2021 19:30:53 +0800
From:   angkery <angkery@....com>
To:     agross@...nel.org, bjorn.andersson@...aro.org
Cc:     linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        Junlin Yang <yangjunlin@...ong.com>
Subject: [PATCH] bus: qcom-ebi2: add missing of_node_put

From: Junlin Yang <yangjunlin@...ong.com>

Fix OF node leaks by calling of_node_put in
for_each_available_child_of_node when the cycle returns.

Generated by: scripts/coccinelle/iterators/for_each_child.cocci

Signed-off-by: Junlin Yang <yangjunlin@...ong.com>
---
 drivers/bus/qcom-ebi2.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/bus/qcom-ebi2.c b/drivers/bus/qcom-ebi2.c
index 03ddcf4..0b8f53a 100644
--- a/drivers/bus/qcom-ebi2.c
+++ b/drivers/bus/qcom-ebi2.c
@@ -353,8 +353,10 @@ static int qcom_ebi2_probe(struct platform_device *pdev)
 
 		/* Figure out the chipselect */
 		ret = of_property_read_u32(child, "reg", &csindex);
-		if (ret)
+		if (ret) {
+			of_node_put(child);
 			return ret;
+		}
 
 		if (csindex > 5) {
 			dev_err(dev,
-- 
1.9.1