From b5266ea675c5a041e2852c7ccec4cf2d4f5e0cf4 Mon Sep 17 00:00:00 2001
From: Axel Lin <axel.lin@gmail.com>
Date: Wed, 1 Feb 2012 12:31:47 +0800
Subject: mmc: cb710 core: Add missing spin_lock_init for irq_lock of struct
 cb710_chip
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Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/misc/cb710/core.c b/drivers/misc/cb710/core.c
index 68cd05b..85cc771 100644
--- a/drivers/misc/cb710/core.c
+++ b/drivers/misc/cb710/core.c
@@ -245,6 +245,7 @@ static int __devinit cb710_probe(struct pci_dev *pdev,
 	if (err)
 		return err;
 
+	spin_lock_init(&chip->irq_lock);
 	chip->pdev = pdev;
 	chip->iobase = pcim_iomap_table(pdev)[0];
 
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