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authorDan Carpenter <error27@gmail.com>2011-08-30 03:51:09 +0000
committerDavid S. Miller <davem@davemloft.net>2011-09-15 15:36:32 -0400
commitdc00fd44413e9d4310d0dc6bcc3bd8e57ba8f064 (patch)
treed3236757784b4428bf305ebb234819dec6405cd8 /net/ieee802154
parentaec9db355ce2b930358ade5a71cc00ac258e1b3f (diff)
downloadlinux-dc00fd44413e9d4310d0dc6bcc3bd8e57ba8f064.tar.gz
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>
Diffstat (limited to 'net/ieee802154')
-rw-r--r--net/ieee802154/6lowpan.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/net/ieee802154/6lowpan.c b/net/ieee802154/6lowpan.c
index 5dc04890e0c..f0d15365722 100644
--- a/net/ieee802154/6lowpan.c
+++ b/net/ieee802154/6lowpan.c
@@ -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;