linux-kernel - [PATCH 3/3] ARM: at91: pm: put node after its usage

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: <1596439517-12993-4-git-send-email-claudiu.beznea@microchip.com>
Date:   Mon, 3 Aug 2020 10:25:17 +0300
From:   Claudiu Beznea <claudiu.beznea@...rochip.com>
To:     <nicolas.ferre@...rochip.com>, <alexandre.belloni@...tlin.com>,
        <ludovic.desroches@...rochip.com>
CC:     <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>,
        Claudiu Beznea <claudiu.beznea@...rochip.com>
Subject: [PATCH 3/3] ARM: at91: pm: put node after its usage

of_find_matching_node_and_match() returns a node pointer with refcount
incremented. Use of_node_put() after the node has been used.

Fixes: 13f16017d3e3f ("ARM: at91: pm: Tie the USB clock mask to the pmc")
Signed-off-by: Claudiu Beznea <claudiu.beznea@...rochip.com>
---
 arch/arm/mach-at91/pm.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/mach-at91/pm.c b/arch/arm/mach-at91/pm.c
index caf87efc7eeb..3d2ee8273b4c 100644
--- a/arch/arm/mach-at91/pm.c
+++ b/arch/arm/mach-at91/pm.c
@@ -849,6 +849,7 @@ static void __init at91_pm_init(void (*pm_idle)(void))
 
 	pmc_np = of_find_matching_node_and_match(NULL, atmel_pmc_ids, &of_id);
 	soc_pm.data.pmc = of_iomap(pmc_np, 0);
+	of_node_put(pmc_np);
 	if (!soc_pm.data.pmc) {
 		pr_err("AT91: PM not supported, PMC not found\n");
 		return;
-- 
2.7.4