From 3ce3026a0967350812b8cf246709b65384d2a336 Mon Sep 17 00:00:00 2001
From: Uri Mashiach <uri.mashiach@compulab.co.il>
Date: Sun, 21 May 2017 17:00:52 +0300
Subject: [PATCH] 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>
---
drivers/usb/eth/mcs7830.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
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;
}
/*
--
2.39.5