From: Jean Sacren <sakiwit@gmail.com>
To: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Joe Perches <joe@perches.com>,
Alexander Smirnov <alex.bluesman.smirnov@gmail.com>,
Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>,
linux-zigbee-devel@lists.sourceforge.net, netdev@vger.kernel.org,
Phoebe Buckheister <phoebe.buckheister@itwm.fraunhofer.de>
Subject: Re: [PATCH net-next] ieee802154: fix variable declaration and initializer
Date: Tue, 18 Mar 2014 22:56:34 -0600 [thread overview]
Message-ID: <20140319045634.GB1448@mail.gmail.com> (raw)
In-Reply-To: <1395203754.9114.54.camel@edumazet-glaptop2.roam.corp.google.com>
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Tue, 18 Mar 2014 21:35:54 -0700
>
> On Tue, 2014-03-18 at 20:42 -0700, Joe Perches wrote:
> > On Tue, 2014-03-18 at 20:32 -0700, Eric Dumazet wrote:
> > > On Tue, 2014-03-18 at 21:19 -0600, Jean Sacren wrote:
> > >
> > > > 2) Fix the initializer by deleting the double logical negation
> > > > operators as they don't serve any purpose.
> > > >
> > > ...
> > > >
> > > > static int phy_set_lbt(struct wpan_phy *phy, struct genl_info *info)
> > > > {
> > > > - u8 on = !!nla_get_u8(info->attrs[IEEE802154_ATTR_LBT_ENABLED]);
> > >
> > > You do realize !!(a) is not equivalent to (a) ?
> >
> > It is when the type it's assigned to also changes
> > from u8 to bool.
>
> I was referring to the changelog, obviously, see how I carefully
> copy/pasted the relevant part ?
>
> Stating it is a 'fix' is quite a false statement, I see no fix at all,
> maybe a cleanup, but I am not really convinced.
Stating it is a "fix" is not a false statement at all. !! falsely
changes the value to be int TWICE for nothing! Are you still not
convinced?
--
Jean Sacren
next prev parent reply other threads:[~2014-03-19 5:00 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-03-19 3:19 [PATCH net-next] ieee802154: fix variable declaration and initializer Jean Sacren
[not found] ` <1395199198-14310-1-git-send-email-sakiwit-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-03-19 3:32 ` Eric Dumazet
2014-03-19 3:42 ` Joe Perches
2014-03-19 4:35 ` Eric Dumazet
2014-03-19 4:56 ` Jean Sacren [this message]
[not found] ` <20140319045634.GB1448-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-03-19 5:11 ` Joe Perches
2014-03-19 5:13 ` Eric Dumazet
2014-03-19 5:11 ` Joe Perches
2014-03-19 4:31 ` Jean Sacren
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