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Commit 7cb9d20f authored by Marcel Holtmann's avatar Marcel Holtmann Committed by Johan Hedberg
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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: default avatarMarcel Holtmann <marcel@holtmann.org>
Signed-off-by: default avatarJohan Hedberg <johan.hedberg@intel.com>
parent 047b2ec8

net/bluetooth/af_bluetooth.c

+3 −0
Original line number Diff line number Diff line
@@ -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);