linux-kernel - [PATCH v2 3/3] regmap: debugfs: Free map->debugfs_name when debugfs_create

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Message-Id: <20180306110403.14438-3-jeffy.chen@rock-chips.com>
Date:   Tue,  6 Mar 2018 19:04:03 +0800
From:   Jeffy Chen <jeffy.chen@...k-chips.com>
To:     linux-kernel@...r.kernel.org
Cc:     Jeffy Chen <jeffy.chen@...k-chips.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Mark Brown <broonie@...nel.org>
Subject: [PATCH v2 3/3] regmap: debugfs: Free map->debugfs_name when debugfs_create_dir() failed

Free map->debugfs_name when debugfs_create_dir() failed to avoid memory
leak.

Signed-off-by: Jeffy Chen <jeffy.chen@...k-chips.com>
---

 drivers/base/regmap/regmap-debugfs.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/base/regmap/regmap-debugfs.c b/drivers/base/regmap/regmap-debugfs.c
index 5479a183248f..55e862a81e82 100644
--- a/drivers/base/regmap/regmap-debugfs.c
+++ b/drivers/base/regmap/regmap-debugfs.c
@@ -582,6 +582,9 @@ void regmap_debugfs_init(struct regmap *map, const char *name)
 	map->debugfs = debugfs_create_dir(name, regmap_debugfs_root);
 	if (!map->debugfs) {
 		dev_warn(map->dev, "Failed to create debugfs directory\n");
+
+		kfree(map->debugfs_name);
+		map->debugfs_name = NULL;
 		return;
 	}
 
-- 
2.11.0