linux-kernel - [PATCH 3.19.y-ckt 069/164] can: Use correct type in sizeof() in nla

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Message-Id: <1449075615-20754-70-git-send-email-kamal@canonical.com>
Date:	Wed,  2 Dec 2015 08:58:40 -0800
From:	Kamal Mostafa <kamal@...onical.com>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	kernel-team@...ts.ubuntu.com
Cc:	Marek Vasut <marex@...x.de>,
	Wolfgang Grandegger <wg@...ndegger.com>,
	netdev@...r.kernel.org, Marc Kleine-Budde <mkl@...gutronix.de>,
	Kamal Mostafa <kamal@...onical.com>
Subject: [PATCH 3.19.y-ckt 069/164] can: Use correct type in sizeof() in nla_put()

3.19.8-ckt11 -stable review patch.  If anyone has any objections, please let me know.

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

From: Marek Vasut <marex@...x.de>

commit 562b103a21974c2f9cd67514d110f918bb3e1796 upstream.

The sizeof() is invoked on an incorrect variable, likely due to some
copy-paste error, and this might result in memory corruption. Fix this.

Signed-off-by: Marek Vasut <marex@...x.de>
Cc: Wolfgang Grandegger <wg@...ndegger.com>
Cc: netdev@...r.kernel.org
Signed-off-by: Marc Kleine-Budde <mkl@...gutronix.de>
Signed-off-by: Kamal Mostafa <kamal@...onical.com>
---
 drivers/net/can/dev.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/can/dev.c b/drivers/net/can/dev.c
index 62ca0e8..8202ab3 100644
--- a/drivers/net/can/dev.c
+++ b/drivers/net/can/dev.c
@@ -912,7 +912,7 @@ static int can_fill_info(struct sk_buff *skb, const struct net_device *dev)
 	     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(skb, IFLA_CAN_CLOCK, sizeof(priv->clock), &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) ||
-- 
1.9.1

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