Bluetooth: Add BT_DEFER_SETUP option to sco socket

This option will set the BT_SK_DEFER_SETUP bit in socket flags.

Signed-off-by: Frédéric Dalleau <frederic.dalleau@linux.intel.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>

1 files changed, 32 insertions, 0 deletions

diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c
index 450cdcd88e5c..c6678f2bffc9 100644
--- a/net/bluetooth/sco.c
+++ b/net/bluetooth/sco.c
@@ -666,12 +666,31 @@ static int sco_sock_setsockopt(struct socket *sock, int level, int optname, char
 {
         struct sock *sk = sock->sk;
         int err = 0;
+        u32 opt;
 
         BT_DBG("sk %p", sk);
 
         lock_sock(sk);
 
         switch (optname) {
+
+        case BT_DEFER_SETUP:
+                if (sk->sk_state != BT_BOUND && sk->sk_state != BT_LISTEN) {
+                        err = -EINVAL;
+                        break;
+                }
+
+                if (get_user(opt, (u32 __user *) optval)) {
+                        err = -EFAULT;
+                        break;
+                }
+
+                if (opt)
+                        set_bit(BT_SK_DEFER_SETUP, &bt_sk(sk)->flags);
+                else
+                        clear_bit(BT_SK_DEFER_SETUP, &bt_sk(sk)->flags);
+                break;
+
         default:
                 err = -ENOPROTOOPT;
                 break;
@@ -753,6 +772,19 @@ static int sco_sock_getsockopt(struct socket *sock, int level, int optname, char
         lock_sock(sk);
 
         switch (optname) {
+
+        case BT_DEFER_SETUP:
+                if (sk->sk_state != BT_BOUND && sk->sk_state != BT_LISTEN) {
+                        err = -EINVAL;
+                        break;
+                }
+
+                if (put_user(test_bit(BT_SK_DEFER_SETUP, &bt_sk(sk)->flags),
+                             (u32 __user *) optval))
+                        err = -EFAULT;
+
+                break;
+
         default:
                 err = -ENOPROTOOPT;
                 break;