Bluetooth: Use ERR_PTR as return error from hci_connect

Use ERR_PTR mechanism to return error from hci_connect.

Signed-off-by: Ville Tervo <ville.tervo@nokia.com>
Signed-off-by: Anderson Briglia <anderson.briglia@openbossa.org>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>

4 files changed, 14 insertions, 12 deletions

diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c
index 4504cb6af6ae..7a6f56b2f49d 100644
--- a/net/bluetooth/hci_conn.c
+++ b/net/bluetooth/hci_conn.c
@@ -431,10 +431,10 @@ struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst, __u8
         if (type == LE_LINK) {
                 le = hci_conn_hash_lookup_ba(hdev, LE_LINK, dst);
                 if (le)
-                        return NULL;
+                        return ERR_PTR(-EBUSY);
                 le = hci_conn_add(hdev, LE_LINK, dst);
                 if (!le)
-                        return NULL;
+                        return ERR_PTR(-ENOMEM);
                 if (le->state == BT_OPEN)
                         hci_le_connect(le);
 
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index 1db6c9081aa7..c9f9cecca527 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -852,8 +852,6 @@ int l2cap_do_connect(struct sock *sk)
 
         hci_dev_lock_bh(hdev);
 
-        err = -ENOMEM;
-
         auth_type = l2cap_get_auth_type(sk);
 
         if (l2cap_pi(sk)->dcid == L2CAP_CID_LE_DATA)
@@ -863,17 +861,18 @@ int l2cap_do_connect(struct sock *sk)
                 hcon = hci_connect(hdev, ACL_LINK, dst,
                                         l2cap_pi(sk)->sec_level, auth_type);
 
-        if (!hcon)
+        if (IS_ERR(hcon)) {
+                err = PTR_ERR(hcon);
                 goto done;
+        }
 
         conn = l2cap_conn_add(hcon, 0);
         if (!conn) {
                 hci_conn_put(hcon);
+                err = -ENOMEM;
                 goto done;
         }
 
-        err = 0;
-
         /* Update source addr of the socket */
         bacpy(src, conn->src);
 
@@ -892,6 +891,8 @@ int l2cap_do_connect(struct sock *sk)
                         l2cap_do_start(sk);
         }
 
+        err = 0;
+
 done:
         hci_dev_unlock_bh(hdev);
         hci_dev_put(hdev);
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index 16c7a4d0432c..46c3edc72cd1 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -1171,8 +1171,8 @@ static int pair_device(struct sock *sk, u16 index, unsigned char *data, u16 len)
         }
 
         conn = hci_connect(hdev, ACL_LINK, &cp->bdaddr, sec_level, auth_type);
-        if (!conn) {
-                err = -ENOMEM;
+        if (IS_ERR(conn)) {
+                err = PTR_ERR(conn);
                 goto unlock;
         }
 
diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c
index c9348ddda877..42fdffd1d76c 100644
--- a/net/bluetooth/sco.c
+++ b/net/bluetooth/sco.c
@@ -190,20 +190,21 @@ static int sco_connect(struct sock *sk)
 
         hci_dev_lock_bh(hdev);
 
-        err = -ENOMEM;
-
         if (lmp_esco_capable(hdev) && !disable_esco)
                 type = ESCO_LINK;
         else
                 type = SCO_LINK;
 
         hcon = hci_connect(hdev, type, dst, BT_SECURITY_LOW, HCI_AT_NO_BONDING);
-        if (!hcon)
+        if (IS_ERR(hcon)) {
+                err = PTR_ERR(hcon);
                 goto done;
+        }
 
         conn = sco_conn_add(hcon, 0);
         if (!conn) {
                 hci_conn_put(hcon);
+                err = -ENOMEM;
                 goto done;
         }