[PATCH 3.8 21/91] can: dev: fix nlmsg size calculation in can_get_size()

Kamal Mostafa kamal at canonical.com
Fri Nov 8 02:14:36 UTC 2013


3.8.13.13 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Marc Kleine-Budde <mkl at pengutronix.de>

[ Upstream commit fe119a05f8ca481623a8d02efcc984332e612528 ]

This patch fixes the calculation of the nlmsg size, by adding the missing
nla_total_size().

Signed-off-by: Marc Kleine-Budde <mkl at pengutronix.de>
Signed-off-by: David S. Miller <davem at davemloft.net>
Signed-off-by: Kamal Mostafa <kamal at canonical.com>
---
 drivers/net/can/dev.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/net/can/dev.c b/drivers/net/can/dev.c
index 8233e5e..6afbe46 100644
--- a/drivers/net/can/dev.c
+++ b/drivers/net/can/dev.c
@@ -698,14 +698,14 @@ static size_t can_get_size(const struct net_device *dev)
 	size_t size;
 
 	size = nla_total_size(sizeof(u32));   /* IFLA_CAN_STATE */
-	size += sizeof(struct can_ctrlmode);  /* IFLA_CAN_CTRLMODE */
+	size += nla_total_size(sizeof(struct can_ctrlmode));  /* IFLA_CAN_CTRLMODE */
 	size += nla_total_size(sizeof(u32));  /* IFLA_CAN_RESTART_MS */
-	size += sizeof(struct can_bittiming); /* IFLA_CAN_BITTIMING */
-	size += sizeof(struct can_clock);     /* IFLA_CAN_CLOCK */
+	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 += sizeof(struct can_berr_counter);
+		size += nla_total_size(sizeof(struct can_berr_counter));
 	if (priv->bittiming_const)	      /* IFLA_CAN_BITTIMING_CONST */
-		size += sizeof(struct can_bittiming_const);
+		size += nla_total_size(sizeof(struct can_bittiming_const));
 
 	return size;
 }
-- 
1.8.1.2





More information about the kernel-team mailing list