[PATCH] libertas: Communicate USB transfer errors

[Daniel Drake]

From: Paul Fox <pgf at laptop.org>

The return code was being overwritten with -1.
Useful for debugging.

Signed-off-by: Paul Fox <pgf at laptop.org>
Signed-off-by: Daniel Drake <dsd at laptop.org>
---
 drivers/net/wireless/libertas/if_usb.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/libertas/if_usb.c b/drivers/net/wireless/libertas/if_usb.c
index 3ff6106..16e2575 100644
--- a/drivers/net/wireless/libertas/if_usb.c
+++ b/drivers/net/wireless/libertas/if_usb.c
@@ -472,11 +472,12 @@ static int if_usb_reset_device(struct if_usb_card *cardp)
  */
 static int usb_tx_block(struct if_usb_card *cardp, uint8_t *payload, uint16_t nb)
 {
-	int ret = -1;
+	int ret;
 
 	/* check if device is removed */
 	if (cardp->surprise_removed) {
 		lbs_deb_usbd(&cardp->udev->dev, "Device removed\n");
+		ret = -ENODEV;
 		goto tx_ret;
 	}
 
@@ -489,7 +490,6 @@ static int usb_tx_block(struct if_usb_card *cardp, uint8_t *payload, uint16_t nb
 
 	if ((ret = usb_submit_urb(cardp->tx_urb, GFP_ATOMIC))) {
 		lbs_deb_usbd(&cardp->udev->dev, "usb_submit_urb failed: %d\n", ret);
-		ret = -1;
 	} else {
 		lbs_deb_usb2(&cardp->udev->dev, "usb_submit_urb success\n");
 		ret = 0;
-- 
1.7.2.3