Input: sur40 - fix an error code in sur40_probe()

[ Upstream commit b0b7d28 ] If v4l2_ctrl_handler_setup() fails then probe() should return an error code instead of returning success. Fixes: cee1e3e ("media: add video control handlers using V4L2 control framework") Signed-off-by: Dan Carpenter <[email protected]> Link: https://lore.kernel.org/r/YBKFkbATXa5fA3xj@mwanda Signed-off-by: Dmitry Torokhov <[email protected]> Signed-off-by: Sasha Levin <[email protected]>
gregkh · Mar 4, 2021 · 644caa3 · 644caa3
1 parent 98a31a6
commit 644caa3
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/drivers/input/touchscreen/sur40.c b/drivers/input/touchscreen/sur40.c
@@ -778,6 +778,7 @@ static int sur40_probe(struct usb_interface *interface,
 		dev_err(&interface->dev,
 			"Unable to register video controls.");
 		v4l2_ctrl_handler_free(&sur40->hdl);
+		error = sur40->hdl.error;
 		goto err_unreg_v4l2;
 	}