4.18-stable review patch. If anyone has any objections, please let me know.
------------------
From: Zhouyang Jia jiazhouyang09@gmail.com
[ Upstream commit 44d4d51de9a3534a2b63d69efda02a10e66541e4 ]
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 --- drivers/hid/hid-ntrig.c | 2 ++ 1 file changed, 2 insertions(+)
--- a/drivers/hid/hid-ntrig.c +++ b/drivers/hid/hid-ntrig.c @@ -955,6 +955,8 @@ static int ntrig_probe(struct hid_device
ret = sysfs_create_group(&hdev->dev.kobj, &ntrig_attribute_group); + if (ret) + hid_err(hdev, "cannot create sysfs group\n");
return 0; err_free: