[PATCH 3/4] Bluetooth: Add BUILD_BUG_ON for size of struct sockaddr_l2

* [PATCH 3/4] Bluetooth: Add BUILD_BUG_ON for size of struct sockaddr_l2
@ 2015-01-11 23:18 Marcel Holtmann
  0 siblings, 0 replies; only message in thread
From: Marcel Holtmann @ 2015-01-11 23:18 UTC (permalink / raw)
  To: linux-bluetooth

This adds an extra check for ensuring that the size of sockaddr_l2
does not grow larger than sockaddr.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
---
 net/bluetooth/l2cap_sock.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c
index f65caf41953f..20206cd3acbc 100644
--- a/net/bluetooth/l2cap_sock.c
+++ b/net/bluetooth/l2cap_sock.c
@@ -1614,6 +1614,8 @@ int __init l2cap_init_sockets(void)
 {
 	int err;
 
+	BUILD_BUG_ON(sizeof(struct sockaddr_l2) > sizeof(struct sockaddr));
+
 	err = proto_register(&l2cap_proto, 0);
 	if (err < 0)
 		return err;
-- 
2.1.0


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