Fixes the following W=1 kernel build warning(s):
drivers/input/touchscreen/usbtouchscreen.c: In function ‘nexio_read_data’:
drivers/input/touchscreen/usbtouchscreen.c:1052:50: warning: variable ‘ret’ set but not used [-Wunused-but-set-variable]
Cc: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>
Cc: Henrik Rydberg <rydberg@xxxxxxxxxxx>
Cc: James Hilliard <james.hilliard1@xxxxxxxxx>
Cc: Daniel Ritz <daniel.ritz@xxxxxx>
Cc: linux-input@xxxxxxxxxxxxxxx
Signed-off-by: Lee Jones <lee.jones@xxxxxxxxxx>
---
drivers/input/touchscreen/usbtouchscreen.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/input/touchscreen/usbtouchscreen.c b/drivers/input/touchscreen/usbtouchscreen.c
index 397cb1d3f481b..44a5454d04533 100644
--- a/drivers/input/touchscreen/usbtouchscreen.c
+++ b/drivers/input/touchscreen/usbtouchscreen.c
@@ -1044,6 +1044,7 @@ static void nexio_exit(struct usbtouch_usb *usbtouch)
static int nexio_read_data(struct usbtouch_usb *usbtouch, unsigned char *pkt)
{
+ struct device *dev = &usbtouch->interface->dev;
struct nexio_touch_packet *packet = (void *) pkt;
struct nexio_priv *priv = usbtouch->priv;
unsigned int data_len = be16_to_cpu(packet->data_len);
@@ -1062,6 +1063,8 @@ static int nexio_read_data(struct usbtouch_usb *usbtouch, unsigned char *pkt)
/* send ACK */
ret = usb_submit_urb(priv->ack, GFP_ATOMIC);
+ if (ret)
+ dev_warn(dev, "Failed to submit USB Request Block\n");
if (!usbtouch->type->max_xc) {
usbtouch->type->max_xc = 2 * x_len;
--
2.25.1
