linux-kernel - [PATCH 5.19 0842/1157] mmc: cavium-octeon: Add of_node

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Message-Id: <20220815180513.170071651@linuxfoundation.org>
Date:   Mon, 15 Aug 2022 20:03:18 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Liang He <windhl@....com>,
        Robert Richter <rric@...nel.org>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.19 0842/1157] mmc: cavium-octeon: Add of_node_put() when breaking out of loop

From: Liang He <windhl@....com>

[ Upstream commit 19bbb49acf8d7a03cb83e05624363741a4c3ec6f ]

In octeon_mmc_probe(), we should call of_node_put() when breaking
out of for_each_child_of_node() which has increased and decreased
the refcount during each iteration.

Fixes: 01d95843335c ("mmc: cavium: Add MMC support for Octeon SOCs.")
Signed-off-by: Liang He <windhl@....com>
Acked-by: Robert Richter <rric@...nel.org>
Link: https://lore.kernel.org/r/20220719095216.1241601-1-windhl@126.com
Signed-off-by: Ulf Hansson <ulf.hansson@...aro.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/mmc/host/cavium-octeon.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/mmc/host/cavium-octeon.c b/drivers/mmc/host/cavium-octeon.c
index 2c4b2df52adb..12dca91a8ef6 100644
--- a/drivers/mmc/host/cavium-octeon.c
+++ b/drivers/mmc/host/cavium-octeon.c
@@ -277,6 +277,7 @@ static int octeon_mmc_probe(struct platform_device *pdev)
 		if (ret) {
 			dev_err(&pdev->dev, "Error populating slots\n");
 			octeon_mmc_set_shared_power(host, 0);
+			of_node_put(cn);
 			goto error;
 		}
 		i++;
-- 
2.35.1