linux-kernel - [PATCH 4.14 302/315] memory: atmel-ebi: add missing of_node

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20210719144953.397555713@linuxfoundation.org>
Date:   Mon, 19 Jul 2021 16:53:11 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 4.14 302/315] memory: atmel-ebi: add missing of_node_put for loop iteration

From: Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>

[ Upstream commit 907c5bbb514a4676160e79764522fff56ce3448e ]

Early exits from for_each_available_child_of_node() should decrement the
node reference counter.  Reported by Coccinelle:

  drivers/memory/atmel-ebi.c:593:1-33: WARNING:
    Function "for_each_available_child_of_node" should have of_node_put() before return around line 604.

Fixes: 6a4ec4cd0888 ("memory: add Atmel EBI (External Bus Interface) driver")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
Link: https://lore.kernel.org/r/20210423101815.119341-2-krzysztof.kozlowski@canonical.com
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/memory/atmel-ebi.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/memory/atmel-ebi.c b/drivers/memory/atmel-ebi.c
index b907865d4664..2b9283d4fcb1 100644
--- a/drivers/memory/atmel-ebi.c
+++ b/drivers/memory/atmel-ebi.c
@@ -579,8 +579,10 @@ static int atmel_ebi_probe(struct platform_device *pdev)
 				child);
 
 			ret = atmel_ebi_dev_disable(ebi, child);
-			if (ret)
+			if (ret) {
+				of_node_put(child);
 				return ret;
+			}
 		}
 	}
 
-- 
2.30.2