HID: hid-ntrig: add error handling for sysfs_create_group

When sysfs_create_group fails, the lack of error-handling code may
cause unexpected results.

This patch adds error-handling code after calling sysfs_create_group.

Signed-off-by: Zhouyang Jia <jiazhouyang09@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/hid/hid-ntrig.c b/drivers/hid/hid-ntrig.c
index 43b1c7234316..9bc6f4867cb3 100644
--- a/drivers/hid/hid-ntrig.c
+++ b/drivers/hid/hid-ntrig.c
@@ -955,6 +955,8 @@ static int ntrig_probe(struct hid_device *hdev, const struct hid_device_id *id)
 
         ret = sysfs_create_group(&hdev->dev.kobj,
                         &ntrig_attribute_group);
+        if (ret)
+                hid_err(hdev, "cannot create sysfs group\n");
 
         return 0;
 err_free: