net: smsc95xx: Correct free_pkt() implementation
On further review this returns the wrong packet length from the driver.
It may not be noticed since protocols will take care of it. Fix it by
subtracting the header length from the packet length returned.
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/usb/eth/smsc95xx.c b/drivers/usb/eth/smsc95xx.c
index d4c8ea4..26000a5 100644
--- a/drivers/usb/eth/smsc95xx.c
+++ b/drivers/usb/eth/smsc95xx.c
@@ -998,7 +998,7 @@
}
*packetp = ptr + sizeof(packet_len);
- return packet_len;
+ return packet_len - 4;
err:
usb_ether_advance_rxbuf(ueth, -1);
@@ -1009,7 +1009,7 @@
{
struct smsc95xx_private *priv = dev_get_priv(dev);
- packet_len = ALIGN(packet_len, 4);
+ packet_len = ALIGN(packet_len + sizeof(u32), 4);
usb_ether_advance_rxbuf(&priv->ueth, sizeof(u32) + packet_len);
return 0;