Commit 99a09c26 authored Mar 14, 2014 by Eric W. Biederman Committed by David S. Miller Mar 14, 2014

s2io: 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 38be0a34

drivers/net/ethernet/neterion/s2io.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -2914,6 +2914,9 @@ static int rx_intr_handler(struct ring_info *ring_data, int budget)
		struct RxD1 *rxdp1;
		struct RxD3 *rxdp3;

		if (budget <= 0)
		return napi_pkts;

		get_info = ring_data->rx_curr_get_info;
		get_block = get_info.block_index;
		memcpy(&put_info, &ring_data->rx_curr_put_info, sizeof(put_info));