linux-kernel - [PATCH] irqchip/gic-v2m: Fix refcount leak in gicv2m_of

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-next>] [day] [month] [year] [list]

Message-Id: <20240819091011.1015745-1-make24@iscas.ac.cn>
Date: Mon, 19 Aug 2024 17:10:11 +0800
From: Ma Ke <make24@...as.ac.cn>
To: maz@...nel.org,
	tglx@...utronix.de,
	Suravee.Suthikulpanit@....com,
	akpm@...ux-foundation.org
Cc: linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	Ma Ke <make24@...as.ac.cn>,
	stable@...r.kernel.org
Subject: [PATCH] irqchip/gic-v2m: Fix refcount leak in gicv2m_of_init

Add the missing of_node_put() to release the refcount incremented
by of_find_matching_node().

Cc: stable@...r.kernel.org
Fixes: 4266ab1a8ff5 ("irqchip/gic-v2m: Refactor to prepare for ACPI support")
Signed-off-by: Ma Ke <make24@...as.ac.cn>
---
 drivers/irqchip/irq-gic-v2m.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/irqchip/irq-gic-v2m.c b/drivers/irqchip/irq-gic-v2m.c
index 51af63c046ed..65a55ee7bb30 100644
--- a/drivers/irqchip/irq-gic-v2m.c
+++ b/drivers/irqchip/irq-gic-v2m.c
@@ -396,6 +396,7 @@ static int __init gicv2m_of_init(struct fwnode_handle *parent_handle,
 		ret = of_address_to_resource(child, 0, &res);
 		if (ret) {
 			pr_err("Failed to allocate v2m resource.\n");
+			of_node_put(child);
 			break;
 		}
 
-- 
2.25.1