[PATCH 1/2] ARM: mvebu: Call of_node_put(cpu_config_np) only once in armada_370_coherency_init()

[Markus Elfring]

From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
Date: Wed, 2 Oct 2024 19:02:28 +0200

An of_node_put(cpu_config_np) call was immediately used after a null
pointer check for an of_iomap() call in this function implementation.
Thus call such a function only once instead directly before the check.

This issue was transformed by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
---
 arch/arm/mach-mvebu/coherency.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/arch/arm/mach-mvebu/coherency.c b/arch/arm/mach-mvebu/coherency.c
index a6b621ff0b87..262410ccc4bd 100644
--- a/arch/arm/mach-mvebu/coherency.c
+++ b/arch/arm/mach-mvebu/coherency.c
@@ -137,12 +137,9 @@ static void __init armada_370_coherency_init(struct device_node *np)
 		goto exit;

 	cpu_config_base = of_iomap(cpu_config_np, 0);
-	if (!cpu_config_base) {
-		of_node_put(cpu_config_np);
-		goto exit;
-	}
-
 	of_node_put(cpu_config_np);
+	if (!cpu_config_base)
+		goto exit;

 	cpuhp_setup_state_nocalls(CPUHP_AP_ARM_MVEBU_COHERENCY,
 				  "arm/mvebu/coherency:starting",
--
2.46.1