From: Abhilash K V <abhilash.kv@ti.com>
Date: Tue, 23 Aug 2011 03:05:57 +0000 (+0000)
Subject: can: ti_hecc: Fix uninitialized spinlock in probe
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=86ad47fff97a9e416aadedfe68909b2d9143dc42;p=GitHub%2FLineageOS%2Fandroid_kernel_samsung_universal7580.git

can: ti_hecc: Fix uninitialized spinlock in probe

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>
---

diff --git a/drivers/net/can/ti_hecc.c b/drivers/net/can/ti_hecc.c
index 0b19a17d817..a81249246ec 100644
--- 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);