ieee802154: Fix memory leak in ieee802154_add_iface()

Fix a memory leak in the ieee802154_add_iface() error handling path. Detected by Coverity: CID 710490.

---
This patch fixes an issue introduced in

commit 90c049b2c6ae26d1a4d526d660a976620eaa554a
Author: [email protected] <[email protected]>
Date: Tue May 15 20:50:27 2012 +0000

ieee802154: interface type to be added

---
 net/ieee802154/nl-phy.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

index d08c7a4..89b265a 100644
@@ -221,8 +221,10 @@ int ieee802154_add_iface(struct sk_buff *skb, struct genl_info *info)
 
 	if (info->attrs[IEEE802154_ATTR_DEV_TYPE]) {
 		type = nla_get_u8(info->attrs[IEEE802154_ATTR_DEV_TYPE]);
-		if (type >= __IEEE802154_DEV_MAX)
-			return -EINVAL;
+		if (type >= __IEEE802154_DEV_MAX) {
+			rc = -EINVAL;
+			goto nla_put_failure;
+		}
 	}
 
 	dev = phy->add_iface(phy, devname, type);

1.8.3.2

From: Christian Engelmayer <[email protected]>
Date: Sat, 11 Jan 2014 22:19:30 +0100

Applied and queued up for -stable, thanks.