From 6f288cc52f478e6f58d96158e7cd857fedb6d111 Mon Sep 17 00:00:00 2001 From: Abhilash K V Date: Tue, 23 Aug 2011 03:05:48 +0000 Subject: can: ti_hecc: Fix unintialized variable In ti_hecc_xmit(), local variable "data" is not initialized before being used. This initialization got inadvertently removed in the following patch: can: Unify droping of invalid tx skbs and netdev stats Acked-by: Anant Gole Signed-off-by: Abhilash K V Signed-off-by: David S. Miller --- drivers/net/can/ti_hecc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/net/can/ti_hecc.c') diff --git a/drivers/net/can/ti_hecc.c b/drivers/net/can/ti_hecc.c index f7bbde9eb2cb..0b19a17d8178 100644 --- a/drivers/net/can/ti_hecc.c +++ b/drivers/net/can/ti_hecc.c @@ -503,9 +503,9 @@ static netdev_tx_t ti_hecc_xmit(struct sk_buff *skb, struct net_device *ndev) spin_unlock_irqrestore(&priv->mbx_lock, flags); /* Prepare mailbox for transmission */ + data = cf->can_dlc | (get_tx_head_prio(priv) << 8); if (cf->can_id & CAN_RTR_FLAG) /* Remote transmission request */ data |= HECC_CANMCF_RTR; - data |= get_tx_head_prio(priv) << 8; hecc_write_mbx(priv, mbxno, HECC_CANMCF, data); if (cf->can_id & CAN_EFF_FLAG) /* Extended frame format */ -- cgit v1.2.3 From 86ad47fff97a9e416aadedfe68909b2d9143dc42 Mon Sep 17 00:00:00 2001 From: Abhilash K V Date: Tue, 23 Aug 2011 03:05:57 +0000 Subject: 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 Signed-off-by: Abhilash K V Signed-off-by: David S. Miller --- drivers/net/can/ti_hecc.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/net/can/ti_hecc.c') diff --git a/drivers/net/can/ti_hecc.c b/drivers/net/can/ti_hecc.c index 0b19a17d8178..a81249246ece 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); -- cgit v1.2.3