From: Marcel Holtmann <marcel@holtmann.org> Date: Sun, 14 Sep 2014 20:50:46 +0000 (+0200) Subject: Bluetooth: Add BUILD_BUG_ON check for SKB control buffer size X-Git-Tag: firefly_0821_release~176^2~3001^2~75^2~24^2~27 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=7cb9d20fd9f8fb41f29e294734c4f8b5dc81ed93;p=firefly-linux-kernel-4.4.55.git Bluetooth: Add BUILD_BUG_ON check for SKB control buffer size 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 <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> --- 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);