Bluetooth: Allow for NULL data in mgmt_pending_add

Since index is in mgmt_hdr it is possible to have mgmt command with
no parameters that still needs to add itself to pending list.

Signed-off-by: Szymon Janc <szymon.janc@tieto.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>

diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index d0c01230bba929b5bee5beff7f3b146955a00505..93f0f04c8bcdce1053739f9e12c497dce8c44596 100644 (file)
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -239,7 +239,8 @@ static struct pending_cmd *mgmt_pending_add(struct sock *sk, u16 opcode,
                return NULL;
        }
 
-       memcpy(cmd->param, data, len);
+       if (data)
+               memcpy(cmd->param, data, len);
 
        cmd->sk = sk;
        sock_hold(sk);