From: Marcel Holtmann <marcel@holtmann.org>
Date: Sun, 11 Jan 2015 23:18:17 +0000 (-0800)
Subject: Bluetooth: Add BUILD_BUG_ON for size of struct sockaddr_hci
X-Git-Tag: v4.0-rc1~133^2~184^2~26
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=b0a8e282b54d11859a13bebd4c056dcfb577f8b7;p=karo-tx-linux.git

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>
---

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;