[BLUETOOTH] sco: Possible double free.

this fixes coverity bug id #1068.
hci_send_sco() frees skb if (skb->len > hdev->sco_mtu).
Since it returns a negative error value only in this case, we
can directly return here.

Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c
index 6b61323..0c2d13a 100644 (file)
--- a/net/bluetooth/sco.c
+++ b/net/bluetooth/sco.c
@@ -255,7 +255,7 @@ static inline int sco_send_frame(struct sock *sk, struct msghdr *msg, int len)
        }
 
        if ((err = hci_send_sco(conn->hcon, skb)) < 0)
-               goto fail;
+               return err;
 
        return count;