diff mbox series

[4.9,30/37] HID: alps: fix error return code in alps_input_configured()

Message ID 20210426072818.273795807@linuxfoundation.org
State New
Headers show
Series None | expand

Commit Message

Greg KH April 26, 2021, 7:29 a.m. UTC 
From: Jia-Ju Bai <baijiaju1990@gmail.com>

[ Upstream commit fa8ba6e5dc0e78e409e503ddcfceef5dd96527f4 ]

When input_register_device() fails, no error return code is assigned.
To fix this bug, ret is assigned with -ENOENT as error return code.

Reported-by: TOTE Robot <oslab@tsinghua.edu.cn>
Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/hid/hid-alps.c | 1 +
 1 file changed, 1 insertion(+)
diff mbox series

Patch

diff --git a/drivers/hid/hid-alps.c b/drivers/hid/hid-alps.c
index ed9c0ea5b026..1bc6ad0339d2 100644
--- a/drivers/hid/hid-alps.c
+++ b/drivers/hid/hid-alps.c
@@ -429,6 +429,7 @@  static int alps_input_configured(struct hid_device *hdev, struct hid_input *hi)
 		ret = input_register_device(data->input2);
 		if (ret) {
 			input_free_device(input2);
+			ret = -ENOENT;
 			goto exit;
 		}
 	}