linux-kernel - Re: RDMA/nes: Fix mis-merge

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Message-Id: <20090327.002940.55045245.davem@davemloft.net>
Date:	Fri, 27 Mar 2009 00:29:40 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	rdreier@...co.com
Cc:	torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: RDMA/nes: Fix mis-merge

From: Roland Dreier <rdreier@...co.com>
Date: Thu, 26 Mar 2009 16:53:25 -0700

>  > Btw, as far as I can tell, that function had never been tested with any 
>  > polling. It had a line like
>  > 
>  > 	netif_napi_add(netdev, &nesvnic->napi, nes_netdev_poll, 128);
>  > 
>  > but that line was _before_ 'nesvnic' was actually initialized (well, it 
>  > had been initialized to NULL, so it passed in some NULL-pointer-offset to 
>  > that function).
> 
> Yes, looks like the bug was introduced by d0929553 ("infiniband: convert
> nes driver to net_device_ops").  And unfortunately the nesvnic=NULL
> initialization stopped gcc from warning about used-uninitialized I
> guess.  I'll test the final merge out...

Sorry about that, thanks for working this out Roland.
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