linux-kernel - [PATCH] edac: fix memory leaks on failure path in edac

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Date:	Thu,  5 Feb 2015 22:12:42 -0800
From:	Alexey Khoroshilov <khoroshilov@...ras.ru>
To:	Doug Thompson <dougthompson@...ssion.com>,
	Borislav Petkov <bp@...en8.de>,
	Mauro Carvalho Chehab <mchehab@....samsung.com>
Cc:	Alexey Khoroshilov <khoroshilov@...ras.ru>,
	linux-edac@...r.kernel.org, linux-kernel@...r.kernel.org,
	ldv-project@...uxtesting.org
Subject: [PATCH] edac: fix memory leaks on failure path in edac_init()

edac_init() does not deallocate already allocated resources on failure path.

Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Alexey Khoroshilov <khoroshilov@...ras.ru>
---
 drivers/edac/edac_module.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/drivers/edac/edac_module.c b/drivers/edac/edac_module.c
index e6d1691dfa45..a256dcb31d03 100644
--- a/drivers/edac/edac_module.c
+++ b/drivers/edac/edac_module.c
@@ -112,7 +112,7 @@ static int __init edac_init(void)
 
 	err = edac_mc_sysfs_init();
 	if (err)
-		goto error;
+		goto err_sysfs;
 
 	edac_debugfs_init();
 
@@ -120,12 +120,15 @@ static int __init edac_init(void)
 	err = edac_workqueue_setup();
 	if (err) {
 		edac_printk(KERN_ERR, EDAC_MC, "init WorkQueue failure\n");
-		goto error;
+		goto err_wq;
 	}
 
 	return 0;
 
-error:
+err_wq:
+	edac_debugfs_exit();
+	edac_mc_sysfs_exit();
+err_sysfs:
 	return err;
 }
 
-- 
1.9.1

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