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Diffstat (limited to 'drivers/net/can/dev.c')
-rw-r--r--drivers/net/can/dev.c67
1 files changed, 32 insertions, 35 deletions
diff --git a/drivers/net/can/dev.c b/drivers/net/can/dev.c
index 1870c47..bda1888 100644
--- a/drivers/net/can/dev.c
+++ b/drivers/net/can/dev.c
@@ -645,19 +645,6 @@ static int can_changelink(struct net_device *dev,
/* We need synchronization with dev->stop() */
ASSERT_RTNL();
- if (data[IFLA_CAN_CTRLMODE]) {
- struct can_ctrlmode *cm;
-
- /* Do not allow changing controller mode while running */
- if (dev->flags & IFF_UP)
- return -EBUSY;
- cm = nla_data(data[IFLA_CAN_CTRLMODE]);
- if (cm->flags & ~priv->ctrlmode_supported)
- return -EOPNOTSUPP;
- priv->ctrlmode &= ~cm->mask;
- priv->ctrlmode |= cm->flags;
- }
-
if (data[IFLA_CAN_BITTIMING]) {
struct can_bittiming bt;
@@ -680,6 +667,19 @@ static int can_changelink(struct net_device *dev,
}
}
+ if (data[IFLA_CAN_CTRLMODE]) {
+ struct can_ctrlmode *cm;
+
+ /* Do not allow changing controller mode while running */
+ if (dev->flags & IFF_UP)
+ return -EBUSY;
+ cm = nla_data(data[IFLA_CAN_CTRLMODE]);
+ if (cm->flags & ~priv->ctrlmode_supported)
+ return -EOPNOTSUPP;
+ priv->ctrlmode &= ~cm->mask;
+ priv->ctrlmode |= cm->flags;
+ }
+
if (data[IFLA_CAN_RESTART_MS]) {
/* Do not allow changing restart delay while running */
if (dev->flags & IFF_UP)
@@ -702,17 +702,17 @@ static int can_changelink(struct net_device *dev,
static size_t can_get_size(const struct net_device *dev)
{
struct can_priv *priv = netdev_priv(dev);
- size_t size;
-
- size = nla_total_size(sizeof(u32)); /* IFLA_CAN_STATE */
- size += nla_total_size(sizeof(struct can_ctrlmode)); /* IFLA_CAN_CTRLMODE */
- size += nla_total_size(sizeof(u32)); /* IFLA_CAN_RESTART_MS */
- size += nla_total_size(sizeof(struct can_bittiming)); /* IFLA_CAN_BITTIMING */
- size += nla_total_size(sizeof(struct can_clock)); /* IFLA_CAN_CLOCK */
- if (priv->do_get_berr_counter) /* IFLA_CAN_BERR_COUNTER */
- size += nla_total_size(sizeof(struct can_berr_counter));
- if (priv->bittiming_const) /* IFLA_CAN_BITTIMING_CONST */
+ size_t size = 0;
+
+ size += nla_total_size(sizeof(struct can_bittiming)); /* IFLA_CAN_BITTIMING */
+ if (priv->bittiming_const) /* IFLA_CAN_BITTIMING_CONST */
size += nla_total_size(sizeof(struct can_bittiming_const));
+ size += nla_total_size(sizeof(struct can_clock)); /* IFLA_CAN_CLOCK */
+ size += nla_total_size(sizeof(u32)); /* IFLA_CAN_STATE */
+ size += nla_total_size(sizeof(struct can_ctrlmode)); /* IFLA_CAN_CTRLMODE */
+ size += nla_total_size(sizeof(u32)); /* IFLA_CAN_RESTART_MS */
+ if (priv->do_get_berr_counter) /* IFLA_CAN_BERR_COUNTER */
+ size += nla_total_size(sizeof(struct can_berr_counter));
return size;
}
@@ -726,23 +726,20 @@ static int can_fill_info(struct sk_buff *skb, const struct net_device *dev)
if (priv->do_get_state)
priv->do_get_state(dev, &state);
- if (nla_put_u32(skb, IFLA_CAN_STATE, state) ||
- nla_put(skb, IFLA_CAN_CTRLMODE, sizeof(cm), &cm) ||
- nla_put_u32(skb, IFLA_CAN_RESTART_MS, priv->restart_ms) ||
- nla_put(skb, IFLA_CAN_BITTIMING,
+ if (nla_put(skb, IFLA_CAN_BITTIMING,
sizeof(priv->bittiming), &priv->bittiming) ||
+ (priv->bittiming_const &&
+ nla_put(skb, IFLA_CAN_BITTIMING_CONST,
+ sizeof(*priv->bittiming_const), priv->bittiming_const)) ||
nla_put(skb, IFLA_CAN_CLOCK, sizeof(cm), &priv->clock) ||
+ nla_put_u32(skb, IFLA_CAN_STATE, state) ||
+ nla_put(skb, IFLA_CAN_CTRLMODE, sizeof(cm), &cm) ||
+ nla_put_u32(skb, IFLA_CAN_RESTART_MS, priv->restart_ms) ||
(priv->do_get_berr_counter &&
!priv->do_get_berr_counter(dev, &bec) &&
- nla_put(skb, IFLA_CAN_BERR_COUNTER, sizeof(bec), &bec)) ||
- (priv->bittiming_const &&
- nla_put(skb, IFLA_CAN_BITTIMING_CONST,
- sizeof(*priv->bittiming_const), priv->bittiming_const)))
- goto nla_put_failure;
+ nla_put(skb, IFLA_CAN_BERR_COUNTER, sizeof(bec), &bec)))
+ return -EMSGSIZE;
return 0;
-
-nla_put_failure:
- return -EMSGSIZE;
}
static size_t can_get_xstats_size(const struct net_device *dev)
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