linux-kernel - [PATCH 5/5] ARM: imx5: add missing of_node

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Message-Id: <20221206171049.3316611-6-dario.binacchi@amarulasolutions.com>
Date:   Tue,  6 Dec 2022 18:10:49 +0100
From:   Dario Binacchi <dario.binacchi@...rulasolutions.com>
To:     linux-kernel@...r.kernel.org
Cc:     Amarula patchwork <linux-amarula@...rulasolutions.com>,
        Dario Binacchi <dario.binacchi@...rulasolutions.com>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Russell King <linux@...linux.org.uk>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Shawn Guo <shawnguo@...nel.org>,
        linux-arm-kernel@...ts.infradead.org
Subject: [PATCH 5/5] ARM: imx5: add missing of_node_put()

In imx5_read_srev_reg(), of_find_compatible_node() returns a node pointer
with refcount incremented. Use of_node_put() on it when done.

Fixes: ee18a7154ee08 ("ARM: imx5: retrieve iim base from device tree")
Signed-off-by: Dario Binacchi <dario.binacchi@...rulasolutions.com>

---

 arch/arm/mach-imx/cpu-imx5.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/mach-imx/cpu-imx5.c b/arch/arm/mach-imx/cpu-imx5.c
index ad56263778f9..a67c89bf155d 100644
--- a/arch/arm/mach-imx/cpu-imx5.c
+++ b/arch/arm/mach-imx/cpu-imx5.c
@@ -28,6 +28,7 @@ static u32 imx5_read_srev_reg(const char *compat)
 
 	np = of_find_compatible_node(NULL, NULL, compat);
 	iim_base = of_iomap(np, 0);
+	of_node_put(np);
 	WARN_ON(!iim_base);
 
 	srev = readl(iim_base + IIM_SREV) & 0xff;
-- 
2.32.0