linux-kernel - [PATCH] driver core: Free memory obtained by kzalloc

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Message-Id: <55b8ad8c5e7ad38403c34a5d30d49f8aaba37156.1519883835.git.arvind.yadav.cs@gmail.com>
Date:   Thu,  1 Mar 2018 11:29:29 +0530
From:   Arvind Yadav <arvind.yadav.cs@...il.com>
To:     gregkh@...uxfoundation.org
Cc:     linux-kernel@...r.kernel.org
Subject: [PATCH] driver core: Free memory obtained by kzalloc

Here kfree() is taking NULL. So moving 'dev = NULL' after kfree().

Signed-off-by: Arvind Yadav <arvind.yadav.cs@...il.com>
---
 drivers/base/bus.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/base/bus.c b/drivers/base/bus.c
index ef61833..ccb64a0 100644
--- a/drivers/base/bus.c
+++ b/drivers/base/bus.c
@@ -1170,9 +1170,9 @@ static int subsys_register(struct bus_type *subsys,
 
 err_dev_reg:
 	put_device(dev);
-	dev = NULL;
 err_name:
 	kfree(dev);
+	dev = NULL;
 err_dev:
 	bus_unregister(subsys);
 	return err;
-- 
1.9.1