From mboxrd@z Thu Jan  1 00:00:00 1970
From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Tue, 02 Apr 2019 20:13:23 +0000
Subject: Re: [PATCH] Bluetooth: hci_event: potential out of bounds parsing ADV events
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To: Cong Wang <xiyou.wangcong@gmail.com>
Cc: Tomas Bortoli <tomasbortoli@gmail.com>, Marcel Holtmann <marcel@holtmann.org>, Jaganath Kanakkassery <jaganath.k.os@gmail.com>, Johan Hedberg <johan.hedberg@gmail.com>, linux-bluetooth <linux-bluetooth@vger.kernel.org>, kernel-janitors@vger.kernel.org

On Tue, Apr 02, 2019 at 10:42:38AM -0700, Cong Wang wrote:
> > Btw, get rid of all the likely/unlikely() macros.  Then the other style
> > comment would be don't move the "ev = (void *)skb->data;" assignments
> > around.  It's ok to say:
> 
> 
> Similarly, pskb_may_pull() may reallocate skb's, although very unlikely
> for bluetooth case (skb's are linear). At least it doesn't harm anything
> we move the skb->data dereference after pskb_may_pull().
> 

It harms readability.

regards,
dan carpenter