From: Marcel Holtmann <marcel@holtmann.org>
To: Johannes Berg <johannes@sipsolutions.net>
Cc: John Linville <linville@tuxdriver.com>,
linux-wireless <linux-wireless@vger.kernel.org>
Subject: Re: [PATCH] rfkill: print events when input handler is disabled/enabled
Date: Mon, 08 Jun 2009 02:18:24 +0200 [thread overview]
Message-ID: <1244420304.23850.112.camel@localhost.localdomain> (raw)
In-Reply-To: <1244395114.12956.2.camel@johannes.local>
Hi Johannes,
> > > if (!data->input_handler) {
> > > - atomic_inc(&rfkill_input_disabled);
> > > + if (atomic_inc_return(&rfkill_input_disabled) == 1)
> > > + printk(KERN_DEBUG "rfkill: input handler disabled\n");
> > > data->input_handler = true;
> > > }
> >
> > do you really think the == 1 is the correct thing here. I think that
> > should be a > 0.
>
> Why would you want to know every time somebody uses the ioctl? I think
> the first time should be sufficient, no? Common case will hopefully be
> only one program using it anyway though.
you are right, we only care about the printk once. No need to keep
printing it on every change.
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Regard
Marcel
prev parent reply other threads:[~2009-06-08 0:18 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-06-07 10:26 [PATCH] rfkill: print events when input handler is disabled/enabled Johannes Berg
2009-06-07 15:25 ` Marcel Holtmann
2009-06-07 17:18 ` Johannes Berg
2009-06-08 0:18 ` Marcel Holtmann [this message]
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