netdev - RE: [PATCH] skb: add a comment to skb_csum

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Date:	Wed, 23 Jan 2013 02:32:52 +0000
From:	"Sanagi, Koki" <sanagi.koki@...fujitsu.com>
To:	David Miller <davem@...emloft.net>
CC:	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: RE: [PATCH] skb: add a comment to skb_csum_unnecessary to avoid
 miuse

> From: Koki Sanagi <sanagi.koki@...fujitsu.com>
> Date: Wed, 23 Jan 2013 09:30:16 +0900
> 
> > Due to its name and appearance, someone thinks this only checks if
> > ip_summed is CHECKSUM_UNNECESARRY.  But actually, this returns true
> > even if ip_summed is CHECKSUM_PARTIAL.  To avoid misuse, this patch a
> > comment which specifies that CHECKSUM_PARTIAL is OK.
> >
> > Signed-off-by: Koki Sanagi <sanagi.koki@...fujitsu.com>
> 
> I'm not applying this, sorry.  It's a one line function and it's not so
> non-obvious that it deserves an 8 line comment.

OK.  I just felt weird that CHECKSUM_* is not bit flag but this function handles
it as if it was bit flag.
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