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6LoWPAN: call dev_put() on error in lowpan_newlink() 

We should release the dev_hold() on error before returning here.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Dan Carpenter 2011-08-30 03:51:09 +00:00 committed by David S. Miller
parent aec9db355c
commit dc00fd4441
1 changed files with 4 additions and 1 deletions
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5
net/ieee802154/6lowpan.c
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@ -793,8 +793,11 @@ static int lowpan_newlink(struct net *src_net, struct net_device *dev,
mutex_init(&lowpan_dev_info(dev)->dev_list_mtx);
entry = kzalloc(sizeof(struct lowpan_dev_record), GFP_KERNEL);
if (!entry)
if (!entry) {
dev_put(real_dev);
lowpan_dev_info(dev)->real_dev = NULL;
return -ENOMEM;
}
entry->ldev = dev;