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

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Message-ID: <ada8wmru9hm.fsf@cisco.com>
Date:	Thu, 26 Mar 2009 16:53:25 -0700
From:	Roland Dreier <rdreier@...co.com>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	David Miller <davem@...emloft.net>, akpm@...ux-foundation.org,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: RDMA/nes: Fix mis-merge

 > 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...

 - R.
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