Commit 278d5385 authored Mar 14, 2014 by Eric W. Biederman Committed by David S. Miller Mar 14, 2014

amd8111e: 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 fdabfc8a

drivers/net/ethernet/amd/amd8111e.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -720,6 +720,9 @@ static int amd8111e_rx_poll(struct napi_struct *napi, int budget)
		int rx_pkt_limit = budget;
		unsigned long flags;

		if (rx_pkt_limit <= 0)
		goto rx_not_empty;

		do{
		/* process receive packets until we use the quota*/
		/* If we own the next entry, it's a new packet. Send it up. */