Bluetooth: Fix failure to release lock in read_index_list()

If alloc_skb() fails in read_index_list() we'll return -ENOMEM without
releasing 'hci_dev_list_lock'.

Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>

1 files changed, 3 insertions, 1 deletions

diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index f827fd908380..ace872615c06 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -111,8 +111,10 @@ static int read_index_list(struct sock *sk)
 
         body_len = sizeof(*ev) + sizeof(*rp) + (2 * count);
         skb = alloc_skb(sizeof(*hdr) + body_len, GFP_ATOMIC);
-        if (!skb)
+        if (!skb) {
+                read_unlock(&hci_dev_list_lock);
                 return -ENOMEM;
+        }
 
         hdr = (void *) skb_put(skb, sizeof(*hdr));
         hdr->opcode = cpu_to_le16(MGMT_EV_CMD_COMPLETE);