Bluetooth: Add BUILD_BUG_ON for size of struct sockaddr_hci

This adds an extra check for ensuring that the size of sockaddr_hci
does not grow larger than sockaddr.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c
index 2c245fdf319a..e176a988625e 100644
--- a/net/bluetooth/hci_sock.c
+++ b/net/bluetooth/hci_sock.c
@@ -1230,6 +1230,8 @@ int __init hci_sock_init(void)
 {
         int err;
 
+        BUILD_BUG_ON(sizeof(struct sockaddr_hci) > sizeof(struct sockaddr));
+
         err = proto_register(&hci_sk_proto, 0);
         if (err < 0)
                 return err;