From: Marcel Holtmann <marcel@holtmann.org>
Date: Sun, 11 Jan 2015 23:18:20 +0000 (-0800)
Subject: Bluetooth: Add BUILD_BUG_ON for size of struct sockaddr_rc
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=74b3fb8d0daf150eeb66665897601fb10c024687;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

Bluetooth: Add BUILD_BUG_ON for size of struct sockaddr_rc

This adds an extra check for ensuring that the size of sockaddr_rc
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/rfcomm/sock.c b/net/bluetooth/rfcomm/sock.c
index 2348176401a0..d8a95755a8a8 100644
--- a/net/bluetooth/rfcomm/sock.c
+++ b/net/bluetooth/rfcomm/sock.c
@@ -1058,6 +1058,8 @@ int __init rfcomm_init_sockets(void)
 {
 	int err;
 
+	BUILD_BUG_ON(sizeof(struct sockaddr_rc) > sizeof(struct sockaddr));
+
 	err = proto_register(&rfcomm_proto, 0);
 	if (err < 0)
 		return err;