* [PATCH] arm: mach-imx: Add missing of_node_put() in cpu-imx5.c
@ 2022-06-15 14:57 Liang He
0 siblings, 0 replies; only message in thread
From: Liang He @ 2022-06-15 14:57 UTC (permalink / raw)
To: linux, shawnguo, s.hauer, kernel, festevam, linux-imx
Cc: linux-arm-kernel, linux-kernel, windhl
In imx5_read_srev_reg(), 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-imx5.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/arm/mach-imx/cpu-imx5.c b/arch/arm/mach-imx/cpu-imx5.c
index ad56263778f9..103bf5be9b1b 100644
--- a/arch/arm/mach-imx/cpu-imx5.c
+++ b/arch/arm/mach-imx/cpu-imx5.c
@@ -30,6 +30,8 @@ static u32 imx5_read_srev_reg(const char *compat)
iim_base = of_iomap(np, 0);
WARN_ON(!iim_base);
+ of_node_put(np);
+
srev = readl(iim_base + IIM_SREV) & 0xff;
iounmap(iim_base);
--
2.25.1
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2022-06-15 14:57 [PATCH] arm: mach-imx: Add missing of_node_put() in cpu-imx5.c Liang He
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