linux-kernel - [PATCH 3.16.y-ckt 047/110] igb: Fix NULL assignment to incorrect variable in igb_reset_q

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Message-Id: <1433512713-22984-48-git-send-email-luis.henriques@canonical.com>
Date:	Fri,  5 Jun 2015 14:57:30 +0100
From:	Luis Henriques <luis.henriques@...onical.com>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	kernel-team@...ts.ubuntu.com
Cc:	Toshiaki Makita <makita.toshiaki@....ntt.co.jp>,
	Jeff Kirsher <jeffrey.t.kirsher@...el.com>,
	Luis Henriques <luis.henriques@...onical.com>
Subject: [PATCH 3.16.y-ckt 047/110] igb: Fix NULL assignment to incorrect variable in igb_reset_q_vector

3.16.7-ckt13 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Toshiaki Makita <makita.toshiaki@....ntt.co.jp>

commit 2439fc4d71f71b47c8ace1f42eb46039222282a0 upstream.

adapter->tx_ring is set to NULL where rx_ring should be.

Fixes: 5536d2102a2d ("igb: Combine q_vector and ring allocation into a single function")
Signed-off-by: Toshiaki Makita <makita.toshiaki@....ntt.co.jp>
Tested-by: Aaron Brown <aaron.f.brown@...el.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Signed-off-by: Luis Henriques <luis.henriques@...onical.com>
---
 drivers/net/ethernet/intel/igb/igb_main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c
index 3bf362078cc5..b554cc9e492d 100644
--- a/drivers/net/ethernet/intel/igb/igb_main.c
+++ b/drivers/net/ethernet/intel/igb/igb_main.c
@@ -1037,7 +1037,7 @@ static void igb_reset_q_vector(struct igb_adapter *adapter, int v_idx)
 		adapter->tx_ring[q_vector->tx.ring->queue_index] = NULL;
 
 	if (q_vector->rx.ring)
-		adapter->tx_ring[q_vector->rx.ring->queue_index] = NULL;
+		adapter->rx_ring[q_vector->rx.ring->queue_index] = NULL;
 
 	netif_napi_del(&q_vector->napi);
 
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