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| author | hayeswang | 2017-06-09 11:11:47 +0200 |
|---|---|---|
| committer | David S. Miller | 2017-06-09 21:37:02 +0200 |
| commit | 745444583ab5c322def99907efa591860e38c75d (patch) | |
| tree | 058e62d4b0de2224208926079bf8f665b0abc057 /drivers/net/usb/r8152.c | |
| parent | r8152: check if disabling ALDPS is finished (diff) | |
| download | kernel-qcow2-linux-745444583ab5c322def99907efa591860e38c75d.tar.gz kernel-qcow2-linux-745444583ab5c322def99907efa591860e38c75d.tar.xz kernel-qcow2-linux-745444583ab5c322def99907efa591860e38c75d.zip | |
r8152: avoid rx queue more than 1000 packets
Stop queuing rx packets if it is more than 1000.
Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/usb/r8152.c')
| -rw-r--r-- | drivers/net/usb/r8152.c | 4 |
1 files changed, 4 insertions, 0 deletions
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; |