Bluetooth: Add BUILD_BUG_ON for size of struct sockaddr_sco

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

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

diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c
index 30e5ea3f1ad311388bf7f95aec8f70cb88e8fab9..07ec7d23b843d7c18a866472e7451e1f279bfcf0 100644 (file)
--- a/net/bluetooth/sco.c
+++ b/net/bluetooth/sco.c
@@ -1184,6 +1184,8 @@ int __init sco_init(void)
 {
        int err;
 
+       BUILD_BUG_ON(sizeof(struct sockaddr_sco) > sizeof(struct sockaddr));
+
        err = proto_register(&sco_proto, 0);
        if (err < 0)
                return err;