[PATCH 4.11 04/84] mac80211: free netdev on dev_alloc_name() error

From: Greg Kroah-Hartman
Date: Mon Jul 03 2017 - 10:03:13 EST


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

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

From: Johannes Berg <johannes.berg@xxxxxxxxx>


[ Upstream commit c7a61cba71fd151cc7d9ebe53a090e0e61eeebf3 ]

The change to remove free_netdev() from ieee80211_if_free()
erroneously didn't add the necessary free_netdev() for when
ieee80211_if_free() is called directly in one place, rather
than as the priv_destructor. Add the missing call.

Fixes: cf124db566e6 ("net: Fix inconsistent teardown and release of private netdev state.")
Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
net/mac80211/iface.c | 1 +
1 file changed, 1 insertion(+)

--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -1810,6 +1810,7 @@ int ieee80211_if_add(struct ieee80211_lo
ret = dev_alloc_name(ndev, ndev->name);
if (ret < 0) {
ieee80211_if_free(ndev);
+ free_netdev(ndev);
return ret;
}