From 745444583ab5c322def99907efa591860e38c75d Mon Sep 17 00:00:00 2001 From: hayeswang Date: Fri, 9 Jun 2017 17:11:47 +0800 Subject: [PATCH] r8152: avoid rx queue more than 1000 packets Stop queuing rx packets if it is more than 1000. Signed-off-by: Hayes Wang Signed-off-by: David S. Miller --- drivers/net/usb/r8152.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c index 204f4b2155ae..fa2958393730 100644 --- a/drivers/net/usb/r8152.c +++ b/drivers/net/usb/r8152.c @@ -1813,6 +1813,10 @@ static int rx_bottom(struct r8152 *tp, int budget) unsigned int pkt_len; struct sk_buff *skb; + /* limite the skb numbers for rx_queue */ + if (unlikely(skb_queue_len(&tp->rx_queue) >= 1000)) + break; + pkt_len = le32_to_cpu(rx_desc->opts1) & RX_LEN_MASK; if (pkt_len < ETH_ZLEN) break; -- GitLab