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HID: hid-ntrig: add error handling for sysfs_create_group

[ Upstream commit 44d4d51de9 ]

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>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
pull/10/head
Zhouyang Jia 2018-06-14 21:37:17 +08:00 committed by Greg Kroah-Hartman
parent 69cb15d659
commit b8e30b822d
1 changed files with 2 additions and 0 deletions

View File

@ -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: