diff mbox series

[4.4,51/93] Input: elo - fix an error code in elo_connect()

Message ID 20210301161009.412898576@linuxfoundation.org
State New
Headers show
Series None | expand

Commit Message

Greg Kroah-Hartman March 1, 2021, 4:13 p.m. UTC 
From: Dan Carpenter <dan.carpenter@oracle.com>

[ Upstream commit 0958351e93fa0ac142f6dd8bd844441594f30a57 ]

If elo_setup_10() fails then this should return an error code instead
of success.

Fixes: fae3006e4b42 ("Input: elo - add support for non-pressure-sensitive touchscreens")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/YBKFd5CvDu+jVmfW@mwanda
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/input/touchscreen/elo.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/input/touchscreen/elo.c b/drivers/input/touchscreen/elo.c
index 8051a4b704ea3..e2e31cbd6b2c3 100644
--- a/drivers/input/touchscreen/elo.c
+++ b/drivers/input/touchscreen/elo.c
@@ -345,8 +345,10 @@  static int elo_connect(struct serio *serio, struct serio_driver *drv)
 	switch (elo->id) {
 
 	case 0: /* 10-byte protocol */
-		if (elo_setup_10(elo))
+		if (elo_setup_10(elo)) {
+			err = -EIO;
 			goto fail3;
+		}
 
 		break;