On 03/10/2011 05:21 PM, Abhilash K V wrote: > 1. In ti_hecc_xmit(), "data" is not initialized, causing > undesirable effects like setting the RTR field for every > transmit.
Does it need to be initialized to "data = cf->can_dlc"? If yes, please correct the message, if not ... > 2. In ti_hecc_probe(), the spinlock priv->mbx_lock is not > inited, causing a spinlock lockup BUG. > > Signed-off-by: Vaibhav Hiremath <[email protected]> > Acked-by: Anant Gole <[email protected]> > Signed-off-by: Abhilash K V <[email protected]> > --- > drivers/net/can/ti_hecc.c | 2 ++ > 1 files changed, 2 insertions(+), 0 deletions(-) > > diff --git a/drivers/net/can/ti_hecc.c b/drivers/net/can/ti_hecc.c > index 4d07f1e..73c6025 100644 > --- a/drivers/net/can/ti_hecc.c > +++ b/drivers/net/can/ti_hecc.c > @@ -503,6 +503,7 @@ 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; > if (cf->can_id & CAN_RTR_FLAG) /* Remote transmission request */ > data |= HECC_CANMCF_RTR; > data |= get_tx_head_prio(priv) << 8; ... using the following expressions looks more reasonable: data = get_tx_head_prio(priv) << 8; if (cf->can_id & CAN_RTR_FLAG) /* Remote transmission request */ data |= HECC_CANMCF_RTR; Wolfgang. _______________________________________________ Socketcan-core mailing list [email protected] https://lists.berlios.de/mailman/listinfo/socketcan-core
