linux-kernel - Re: [PATCH] staging: dgap: removes redundant null check and change paramter for dgap_maxcps

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Date:	Wed, 9 Jul 2014 12:02:00 -0700
From:	Greg KH <gregkh@...uxfoundation.org>
To:	Daeseok Youn <daeseok.youn@...il.com>
Cc:	lidza.louina@...il.com, driverdev-devel@...uxdriverproject.org,
	linux-kernel@...r.kernel.org, devel@...verdev.osuosl.org
Subject: Re: [PATCH] staging: dgap: removes redundant null check and change
 paramter for dgap_maxcps_room()

On Mon, Jul 07, 2014 at 10:27:54AM +0900, Daeseok Youn wrote:
> Null checks for tty, un and ch are already done by caller,
> so replace parameter "tty" with "ch" and "un".
> 
> And also use a pointer for returning new bytes_available instead of
> return variable.

Why make that change?  It's nicer to return a real value where ever
possible.  That's more like other "room" functions in the tty layer.

Care to fix this up to just do the first change you made to the function
instead?

thanks,

greg k-h
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