From: Uri Mashiach <uri.mashiach@compulab.co.il>
Date: Sun, 21 May 2017 14:00:52 +0000 (+0300)
Subject: net: usb: mcs7830: fix non-DM ingress path
X-Git-Tag: v2025.01-rc5-pxa1908~6813^2~1
X-Git-Url: http://git.dujemihanovic.xyz/login.html?a=commitdiff_plain;h=3ce3026a0967350812b8cf246709b65384d2a336;p=u-boot.git

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 <uri.mashiach@compulab.co.il>
Acked-by: Igor Grinberg <grinberg@compulab.co.il>
---

diff --git a/drivers/usb/eth/mcs7830.c b/drivers/usb/eth/mcs7830.c
index 9d6cf8ce7b..4abef5d5c8 100644
--- 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;
 }
 
 /*