From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Marcel Holtmann To: linux-bluetooth@vger.kernel.org Subject: [PATCH] Bluetooth: Add BUILD_BUG_ON check for SKB control buffer size Date: Sun, 14 Sep 2014 22:50:46 +0200 Message-Id: <1410727846-61438-1-git-send-email-marcel@holtmann.org> Sender: linux-bluetooth-owner@vger.kernel.org List-ID: The struct bt_skb_cb size needs to stay within the limits of skb->cb at all times and to ensure that add a BUILD_BUG_ON to check for it at compile time. Signed-off-by: Marcel Holtmann --- net/bluetooth/af_bluetooth.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/net/bluetooth/af_bluetooth.c b/net/bluetooth/af_bluetooth.c index 4dca0299ed96..339c74ad4553 100644 --- a/net/bluetooth/af_bluetooth.c +++ b/net/bluetooth/af_bluetooth.c @@ -709,8 +709,11 @@ EXPORT_SYMBOL_GPL(bt_debugfs); static int __init bt_init(void) { + struct sk_buff *skb; int err; + BUILD_BUG_ON(sizeof(struct bt_skb_cb) > sizeof(skb->cb)); + BT_INFO("Core ver %s", VERSION); bt_debugfs = debugfs_create_dir("bluetooth", NULL); -- 1.9.3