From cb013ea12cf71fe5ec2f7939909cec4491409724 Mon Sep 17 00:00:00 2001 From: "Eric W. Biederman" Date: Fri, 14 Mar 2014 18:03:50 -0700 Subject: [PATCH] ibmveth: 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" Signed-off-by: David S. Miller --- drivers/net/ethernet/ibm/ibmveth.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/ibm/ibmveth.c b/drivers/net/ethernet/ibm/ibmveth.c index 1fc8334..e75bdfc 100644 --- a/drivers/net/ethernet/ibm/ibmveth.c +++ b/drivers/net/ethernet/ibm/ibmveth.c @@ -1072,7 +1072,7 @@ static int ibmveth_poll(struct napi_struct *napi, int budget) unsigned long lpar_rc; restart_poll: - do { + while (frames_processed < budget) { if (!ibmveth_rxq_pending_buffer(adapter)) break; @@ -1121,7 +1121,7 @@ restart_poll: netdev->stats.rx_bytes += length; frames_processed++; } - } while (frames_processed < budget); + } ibmveth_replenish_task(adapter); -- 2.7.4