linux-kernel - [PATCH 3.19.y-ckt 074/146] igb: Fix NULL assignment to incorrect variable in igb_reset_q

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Message-Id: <1434579851-1719-75-git-send-email-kamal@canonical.com>
Date:	Wed, 17 Jun 2015 15:22:59 -0700
From:	Kamal Mostafa <kamal@...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>,
	Kamal Mostafa <kamal@...onical.com>
Subject: [PATCH 3.19.y-ckt 074/146] igb: Fix NULL assignment to incorrect variable in igb_reset_q_vector

3.19.8-ckt2 -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: Kamal Mostafa <kamal@...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 51417a0..032791e 100644
--- a/drivers/net/ethernet/intel/igb/igb_main.c
+++ b/drivers/net/ethernet/intel/igb/igb_main.c
@@ -1036,7 +1036,7 @@ 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);
 
-- 
1.9.1

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