linux-kernel - [PATCH] arm-cci: Fix refcount leak in cci

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Message-Id: <20240819090405.1014759-1-make24@iscas.ac.cn>
Date: Mon, 19 Aug 2024 17:04:05 +0800
From: Ma Ke <make24@...as.ac.cn>
To: make24@...as.ac.cn,
	nico@...xnic.net,
	will@...nel.org,
	suzuki.poulose@....com,
	punitagrawal@...il.com,
	akpm@...ux-foundation.org
Cc: linux-kernel@...r.kernel.org,
	stable@...r.kernel.org
Subject: [PATCH] arm-cci: Fix refcount leak in cci_probe

Add the missing of_node_put() to release the refcount incremented
by of_find_matching_node().

Cc: stable@...r.kernel.org
Fixes: f6b9e83ce05e ("arm-cci: Rearrange code for splitting PMU vs driver code")
Signed-off-by: Ma Ke <make24@...as.ac.cn>
---
 drivers/bus/arm-cci.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/bus/arm-cci.c b/drivers/bus/arm-cci.c
index b8184a903583..6be7b05b5ff1 100644
--- a/drivers/bus/arm-cci.c
+++ b/drivers/bus/arm-cci.c
@@ -548,6 +548,7 @@ static int cci_probe(void)
 	}
 	if (ret || !cci_ctrl_base) {
 		WARN(1, "unable to ioremap CCI ctrl\n");
+		of_node_put(np);
 		return -ENXIO;
 	}
 
-- 
2.25.1