From 2e713283751f494596655d9125c168aeb913f71d Mon Sep 17 00:00:00 2001 From: Eric Dumazet Date: Tue, 15 Nov 2016 10:15:14 -0800 Subject: [PATCH] net/mlx4_en: use napi_complete_done() return value Do not rearm interrupts if we are busy polling. mlx4 uses separate CQ for TX and RX, so number of TX interrupts does not change, unfortunately. Signed-off-by: Eric Dumazet Cc: Willem de Bruijn Cc: Adam Belay Cc: Tariq Toukan Cc: Yuval Mintz Cc: Ariel Elior Signed-off-by: David S. Miller --- drivers/net/ethernet/mellanox/mlx4/en_rx.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlx4/en_rx.c b/drivers/net/ethernet/mellanox/mlx4/en_rx.c index 2cc9100..22f08f9 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_rx.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_rx.c @@ -1137,8 +1137,8 @@ int mlx4_en_poll_rx_cq(struct napi_struct *napi, int budget) done = 0; } /* Done for now */ - napi_complete_done(napi, done); - mlx4_en_arm_cq(priv, cq); + if (napi_complete_done(napi, done)) + mlx4_en_arm_cq(priv, cq); return done; } -- 2.7.4