linux-kernel - [PATCH] dmaengine: mv_xor_v2: Fix a resource leak in mv_xor_v2

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Message-Id: <e9e3837a680c9bd2438e4db2b83270c6c052d005.1666640987.git.christophe.jaillet@wanadoo.fr>
Date:   Mon, 24 Oct 2022 21:50:09 +0200
From:   Christophe JAILLET <christophe.jaillet@...adoo.fr>
To:     Vinod Koul <vkoul@...nel.org>,
        Gregory CLEMENT <gregory.clement@...tlin.com>,
        Rob Herring <robh@...nel.org>
Cc:     linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>,
        dmaengine@...r.kernel.org
Subject: [PATCH] dmaengine: mv_xor_v2: Fix a resource leak in mv_xor_v2_remove()

A clk_prepare_enable() call in the probe is not balanced by a corresponding
clk_disable_unprepare() in the remove function.

Add the missing call.

Fixes: 3cd2c313f1d6 ("dmaengine: mv_xor_v2: Fix clock resource by adding a register clock")
Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
---
 drivers/dma/mv_xor_v2.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/dma/mv_xor_v2.c b/drivers/dma/mv_xor_v2.c
index f629ef6fd3c2..113834e1167b 100644
--- a/drivers/dma/mv_xor_v2.c
+++ b/drivers/dma/mv_xor_v2.c
@@ -893,6 +893,7 @@ static int mv_xor_v2_remove(struct platform_device *pdev)
 	tasklet_kill(&xor_dev->irq_tasklet);
 
 	clk_disable_unprepare(xor_dev->clk);
+	clk_disable_unprepare(xor_dev->reg_clk);
 
 	return 0;
 }
-- 
2.34.1