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Bluetooth: Add BUILD_BUG_ON check for SKB control buffer size

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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>
This commit is contained in:
Marcel Holtmann 2014-09-14 22:50:46 +02:00 committed by Johan Hedberg
parent 047b2ec8d3
commit 7cb9d20fd9
1 changed files with 3 additions and 0 deletions
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3
net/bluetooth/af_bluetooth.c
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@ -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);