From: Marcel Holtmann <marcel@holtmann.org>
Date: Sun, 11 Jan 2015 23:21:06 +0000 (-0800)
Subject: Bluetooth: Add BUILD_BUG_ON for size of struct sockaddr_sco
X-Git-Tag: firefly_0821_release~176^2~2371^2~184^2~23
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=15762fa772bf91687e2f2a6afc6df975ee2a6f70;p=firefly-linux-kernel-4.4.55.git

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 30e5ea3f1ad3..07ec7d23b843 100644
--- 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;