linux-kernel - [PATCH 3.17 018/319] cxgb4 : Fix missing initialization of win0

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Date:	Wed, 12 Nov 2014 10:12:36 +0900
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, Anish Bhatt <anish@...lsio.com>,
	Casey Leedom <leedom@...lsio.com>,
	"David S. Miller" <davem@...emloft.net>
Subject: [PATCH 3.17 018/319] cxgb4 : Fix missing initialization of win0_lock

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

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

From: Anish Bhatt <anish@...lsio.com>

[ Upstream commit e327c225c911529898ec300cb96d2088893de3df ]

win0_lock was being used un-initialized, resulting in warning traces
being seen when lock debugging is enabled (and just wrong)

Fixes : fc5ab0209650 ('cxgb4: Replaced the backdoor mechanism to access the HW
 memory with PCIe Window method')

Signed-off-by: Anish Bhatt <anish@...lsio.com>
Signed-off-by: Casey Leedom <leedom@...lsio.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
@@ -6557,6 +6557,7 @@ static int init_one(struct pci_dev *pdev
 
 	spin_lock_init(&adapter->stats_lock);
 	spin_lock_init(&adapter->tid_release_lock);
+	spin_lock_init(&adapter->win0_lock);
 
 	INIT_WORK(&adapter->tid_release_task, process_tid_release_list);
 	INIT_WORK(&adapter->db_full_task, process_db_full);


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