[PATCH 02/24] sample/kobject: update kset-example code

[Jeff Liu <jeff.liu@oracle.com>]

From: Jie Liu <jeff.liu@oracle.com>
Subject: sample/kobject: update kset-example code

Check and return the error ptr if call kset_create_and_add() failed

Cc: Christoph Lameter <cl@linux-foundation.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jie Liu <jeff.liu@oracle.com>
---
 samples/kobject/kset-example.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/samples/kobject/kset-example.c b/samples/kobject/kset-example.c
index ab5e447..c2911d9 100644
--- a/samples/kobject/kset-example.c
+++ b/samples/kobject/kset-example.c
@@ -238,8 +238,8 @@ static int __init example_init(void)
 	 * located under /sys/kernel/
 	 */
 	example_kset = kset_create_and_add("kset_example", NULL, kernel_kobj);
-	if (!example_kset)
-		return -ENOMEM;
+	if (IS_ERR(example_kset))
+		return PTR_ERR(example_kset);
 
 	/*
 	 * Create three objects and register them with our kset
-- 
1.8.3.2