Commit 9b2c0571 authored Mar 14, 2014 by Eric W. Biederman Committed by David S. Miller Mar 14, 2014

fs_enet: 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 4c502549

drivers/net/ethernet/freescale/fs_enet/fs_enet-main.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -91,6 +91,9 @@ static int fs_enet_rx_napi(struct napi_struct *napi, int budget)
		u16 pkt_len, sc;
		int curidx;

		if (budget <= 0)
		return received;

		/*
		* First, grab all of the stats for the incoming packet.
		* These get messed up if we get called due to a busy condition.