From: Kulikov Vasiliy <segooon@gmail.com>
Date: Sat, 25 Sep 2010 23:58:03 +0000 (+0000)
Subject: rionet: use free_netdev(netdev) instead of kfree()
X-Git-Tag: firefly_0821_release~9833^2~400^2~11
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=22138d307329e1968fc698821095b87c2fd5de12;p=firefly-linux-kernel-4.4.55.git

rionet: use free_netdev(netdev) instead of kfree()

Freeing netdev without free_netdev() leads to net, tx leaks.
I might lead to dereferencing freed pointer.

The semantic match that finds this problem is as follows:
(http://coccinelle.lip6.fr/)

@@
struct net_device* dev;
@@

-kfree(dev)
+free_netdev(dev)

Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/rionet.c b/drivers/net/rionet.c
index 07eb884ff982..44150f2f7bfd 100644
--- a/drivers/net/rionet.c
+++ b/drivers/net/rionet.c
@@ -384,7 +384,7 @@ static void rionet_remove(struct rio_dev *rdev)
 	free_pages((unsigned long)rionet_active, rdev->net->hport->sys_size ?
 					__ilog2(sizeof(void *)) + 4 : 0);
 	unregister_netdev(ndev);
-	kfree(ndev);
+	free_netdev(ndev);
 
 	list_for_each_entry_safe(peer, tmp, &rionet_peers, node) {
 		list_del(&peer->node);