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Diffstat (limited to 'net/bluetooth/sco.c')
-rw-r--r--net/bluetooth/sco.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c
index 79ffcdef0b7a..22a110f37abc 100644
--- a/net/bluetooth/sco.c
+++ b/net/bluetooth/sco.c
@@ -1003,6 +1003,11 @@ static int sco_sock_getsockopt(struct socket *sock, int level, int optname,
case BT_SNDMTU:
case BT_RCVMTU:
+ if (sk->sk_state != BT_CONNECTED) {
+ err = -ENOTCONN;
+ break;
+ }
+
if (put_user(sco_pi(sk)->conn->mtu, (u32 __user *)optval))
err = -EFAULT;
break;