From: Alexander Duyck Date: Tue, 26 Aug 2008 11:25:08 +0000 (-0700) Subject: igb: remove unneeded cleaned variable in clean_tx_irq path X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=fc7d345d11e815705fd0c9badc2ee82cb7ca5a84;p=openwrt%2Fstaging%2Fblogic.git igb: remove unneeded cleaned variable in clean_tx_irq path The cleaned variable can be replaced by the count of packets cleaned during the tx interrupt routine so it can be removed. Signed-off-by: Alexander Duyck Signed-off-by: Jeff Kirsher Signed-off-by: Jeff Garzik --- diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c index 634c4c9d87be..03806e299486 100644 --- a/drivers/net/igb/igb_main.c +++ b/drivers/net/igb/igb_main.c @@ -3617,16 +3617,14 @@ static bool igb_clean_tx_irq(struct igb_ring *tx_ring) unsigned int i; u32 head, oldhead; unsigned int count = 0; - bool cleaned = false; - bool retval = true; unsigned int total_bytes = 0, total_packets = 0; + bool retval = true; rmb(); head = get_head(tx_ring); i = tx_ring->next_to_clean; while (1) { while (i != head) { - cleaned = true; tx_desc = E1000_TX_DESC(*tx_ring, i); buffer_info = &tx_ring->buffer_info[i]; skb = buffer_info->skb; @@ -3643,7 +3641,6 @@ static bool igb_clean_tx_irq(struct igb_ring *tx_ring) } igb_unmap_and_free_tx_resource(adapter, buffer_info); - tx_desc->upper.data = 0; i++; if (i == tx_ring->count) @@ -3665,7 +3662,7 @@ static bool igb_clean_tx_irq(struct igb_ring *tx_ring) done_cleaning: tx_ring->next_to_clean = i; - if (unlikely(cleaned && + if (unlikely(count && netif_carrier_ok(netdev) && IGB_DESC_UNUSED(tx_ring) >= IGB_TX_QUEUE_WAKE)) { /* Make sure that anybody stopping the queue after this