* [PATCH] arm: mach-imx: Add missing of_node_put in cpu-imx27.c
@ 2022-06-15 14:51 Liang He
0 siblings, 0 replies; only message in thread
From: Liang He @ 2022-06-15 14:51 UTC (permalink / raw)
To: linux, shawnguo, s.hauer, kernel, festevam, linux-imx
Cc: linux-arm-kernel, linux-kernel, windhl
In mx27_read_cpu_rev(), of_find_compatible_node() will return a node
pointer with refcount incremented. We should use of_node_put() when
it is not used anymore.
Signed-off-by: Liang He <windhl@126.com>
---
arch/arm/mach-imx/cpu-imx27.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/arch/arm/mach-imx/cpu-imx27.c b/arch/arm/mach-imx/cpu-imx27.c
index bf70e13bbe9e..220622c9d2f0 100644
--- a/arch/arm/mach-imx/cpu-imx27.c
+++ b/arch/arm/mach-imx/cpu-imx27.c
@@ -28,6 +28,9 @@ static int mx27_read_cpu_rev(void)
np = of_find_compatible_node(NULL, NULL, "fsl,imx27-ccm");
ccm_base = of_iomap(np, 0);
+
+ of_node_put(np);
+
BUG_ON(!ccm_base);
/*
* now we have access to the IO registers. As we need
--
2.25.1
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