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can: ti_hecc: Fix uninitialized spinlock in probe
author
Abhilash K V
<abhilash.kv@ti.com>
Tue, 23 Aug 2011 03:05:57 +0000
(
03:05
+0000)
committer
David S. Miller
<davem@davemloft.net>
Fri, 26 Aug 2011 16:48:24 +0000
(12:48 -0400)
In ti_hecc_probe(), the spinlock priv->mbx_lock is not
inited, causing a spinlock lockup BUG.
Acked-by: Anant Gole <anantgole@ti.com>
Signed-off-by: Abhilash K V <abhilash.kv@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/can/ti_hecc.c
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diff --git
a/drivers/net/can/ti_hecc.c
b/drivers/net/can/ti_hecc.c
index
0b19a17
..
a812492
100644
(file)
--- a/
drivers/net/can/ti_hecc.c
+++ b/
drivers/net/can/ti_hecc.c
@@
-923,6
+923,7
@@
static int ti_hecc_probe(struct platform_device *pdev)
priv->can.do_get_state = ti_hecc_get_state;
priv->can.ctrlmode_supported = CAN_CTRLMODE_3_SAMPLES;
+ spin_lock_init(&priv->mbx_lock);
ndev->irq = irq->start;
ndev->flags |= IFF_ECHO;
platform_set_drvdata(pdev, ndev);