Commit d1def91c authored by Eric W. Biederman's avatar Eric W. Biederman Committed by David S. Miller

tilepro: Don't receive packets when the napi budget == 0

Processing any incoming packets with a with a napi budget of 0
is incorrect driver behavior.

This matters as netpoll will shortly call drivers with a budget of 0
to avoid receive packet processing happening in hard irq context.
Signed-off-by: default avatar"Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent d110ec45
......@@ -831,6 +831,9 @@ static int tile_net_poll(struct napi_struct *napi, int budget)
unsigned int work = 0;
if (budget <= 0)
goto done;
while (priv->active) {
int index = qup->__packet_receive_read;
if (index == qsp->__packet_receive_queue.__packet_write)
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment