netdev - Re: [patch] sctp: fix test for end of loop

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Message-ID: <20100907113115.GB5718@bicker>
Date:	Tue, 7 Sep 2010 13:31:15 +0200
From:	Dan Carpenter <error27@...il.com>
To:	Shan Wei <shanwei@...fujitsu.com>
Cc:	Vlad Yasevich <vladislav.yasevich@...com>,
	Sridhar Samudrala <sri@...ibm.com>,
	"David S. Miller" <davem@...emloft.net>,
	Wei Yongjun <yjwei@...fujitsu.com>,
	Thadeu Lima de Souza Cascardo <cascardo@...oscopio.com>,
	linux-sctp@...r.kernel.org, netdev@...r.kernel.org,
	kernel-janitors@...r.kernel.org
Subject: Re: [patch] sctp: fix test for end of loop

On Tue, Sep 07, 2010 at 04:46:58PM +0800, Shan Wei wrote:
> Dan Carpenter wrote, at 09/06/2010 08:26 PM:
> > +	    &new_addr->transports != &new_asoc->peer.transport_addr_list) {
> 
> why did you add this check?
> 

That's the check which tells us if we broke out of the loop or if we
came to the end of the list.

As I explained before, the only way that the check matters is if the
list is empty.  With the current code I do not think we ever call this
function with an empty list, so that check is not needed.  But the code
could change I suppose and it doesn't hurt to be cautious.  On the other
hand, I'm fine with removing the check as well.

regards,
dan carpenter

> 
> -- 
> Best Regards
> -----
> Shan Wei
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