net: usb: mcs7830: fix non-DM ingress path

The mcs7830_recv() (non-DM) function discards good packets and tries to
process "bad" packets due to incorrect test condition.
Fix the condition and return the proper value as described in function
doc.

Signed-off-by: Uri Mashiach <[email protected]>
Acked-by: Igor Grinberg <[email protected]>

diff --git a/drivers/usb/eth/mcs7830.c b/drivers/usb/eth/mcs7830.c
index 9d6cf8ce7bda82c94bf84358811a6550d36d14eb..4abef5d5c88ef58fa7f10f547ec7411c22558e1a 100644 (file)
--- a/drivers/usb/eth/mcs7830.c
+++ b/drivers/usb/eth/mcs7830.c
@@ -622,10 +622,12 @@ static int mcs7830_recv(struct eth_device *eth)
        int len;
 
        len = mcs7830_recv_common(ueth, buf);
-       if (len <= 0)
+       if (len >= 0) {
                net_process_received_packet(buf, len);
+               return 0;
+       }
 
-       return 0;
+       return len;
 }
 
 /*