linux-kernel - Re: [PATCH] USB Elan FTDI: check for workqueue creation

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Date:	Fri, 23 Feb 2007 11:10:05 +0300
From:	Cyrill Gorcunov <gorcunov@...il.com>
To:	Pete Zaitcev <zaitcev@...hat.com>
Cc:	linux-kernel-list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] USB Elan FTDI: check for workqueue creation

On Thu, Feb 22, 2007 at 11:57:38PM -0800, Pete Zaitcev wrote:
| On Fri, 23 Feb 2007 10:53:22 +0300, Cyrill Gorcunov <gorcunov@...il.com> wrote:
| 
| > | > -static struct workqueue_struct *status_queue;
| > | > +static struct workqueue_struct *status_queue = NULL;
| 
| > | You better drop this part. Someone is bound to object.
| 
| > actually I don't understand why... Event on ftdi_elan_exit()
| > status_queue is setting up to NULL. And what is bound to object?
| > Could you write more detailed?
| 
| All these variables are static, they are already initialized to zero.
| 
| -- Pete
| 

Pete,

I may be wrong, but a lot of the kernel code have static pointers
initialized to NULL with explicit manner... More over I always thought
that _static_ is not mean _initialized to zero_. I think _static_ is
just the method to _hide_ variables in the file (as ANSI C describes).
Am I wrong?

		Cyrill

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