Commit 176f792f authored Mar 14, 2014 by Eric W. Biederman Committed by David S. Miller Mar 14, 2014

tc35815: 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: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent d1def91c

drivers/net/ethernet/toshiba/tc35815.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -1645,6 +1645,9 @@ static int tc35815_poll(struct napi_struct *napi, int budget)
		int received = 0, handled;
		u32 status;

		if (budget <= 0)
		return received;

		spin_lock(&lp->rx_lock);
		status = tc_readl(&tr->Int_Src);
		do {