Re: bna: potential null dereference

From: David Miller
Date: Sun Sep 12 2010 - 15:02:15 EST


From: Jiri Slaby <jirislaby@xxxxxxxxx>
Date: Sat, 04 Sep 2010 14:59:54 +0200

> stanse found a potential null dereference:
> bnad_cb_tx_cleanup
> -> struct bnad_unmap_q *unmap_q = tcb->unmap_q;
> -> -- tcb cannot be null now --
> -> if (!tcb || (!tcb->unmap_q))
>
> The thing is I have no idea whether the second parameter of cleanup may
> be null (move assignment after the check) or not (remove the check)
>
> Could you fix that?

Since the Brocade folks can't be bothered to fix this for more than
a week I'll take care of this, thanks Jiri.
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