linux-kernel - [PATCH] ixgbe: r_idx not used in ixgbe_msix_clean

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Message-ID: <20091110164006.GB816@lilem.mirepesht>
Date:	Tue, 10 Nov 2009 20:10:06 +0330
From:	Ali Gholami Rudi <ali@...i.ir>
To:	"David S. Miller" <davem@...emloft.net>
Cc:	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	e1000-devel@...ts.sourceforge.net,
	Jeff Kirsher <jeffrey.t.kirsher@...el.com>,
	Jesse Brandeburg <jesse.brandeburg@...el.com>,
	Bruce Allan <bruce.w.allan@...el.com>,
	PJ Waskiewicz <peter.p.waskiewicz.jr@...el.com>,
	John Ronciak <john.ronciak@...el.com>
Subject: [PATCH] ixgbe: r_idx not used in ixgbe_msix_clean_rx()

The values of r_idx and rx_ring are not used after the last time they
are set in ixgbe_msix_clean_rx(), so they can be removed.

Signed-off-by: Ali Gholami Rudi <ali@...i.ir>
---
 drivers/net/ixgbe/ixgbe_main.c |    2 --
 1 files changed, 0 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index 5bd9e6b..6541c80 100644
--- a/drivers/net/ixgbe/ixgbe_main.c
+++ b/drivers/net/ixgbe/ixgbe_main.c
@@ -1344,8 +1344,6 @@ static irqreturn_t ixgbe_msix_clean_rx(int irq, void *data)
 	if (!q_vector->rxr_count)
 		return IRQ_HANDLED;
 
-	r_idx = find_first_bit(q_vector->rxr_idx, adapter->num_rx_queues);
-	rx_ring = &(adapter->rx_ring[r_idx]);
 	/* disable interrupts on this vector only */
 	ixgbe_irq_disable_queues(adapter, ((u64)1 << q_vector->v_idx));
 	napi_schedule(&q_vector->napi);
--
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