Date: Tue, 25 Nov 2008 10:43:34 +0000
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Sheng Yang <sheng@linux.intel.com>
Cc: linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org
Subject: Re: [PATCH] 8250: Eliminate compile warning of 8250.c
Message-ID: <20081125104334.351e94ee@lxorguk.ukuu.org.uk>
In-Reply-To: <200811251831.34737.sheng@linux.intel.com>
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> Can't understand initializing got "risk hiding future ones". As I know, didn't 

Because if you set it to NULL and later delete a line which does the
intended assignment you will no longer get a warning.

> think BUG_ON(n==null) cover this. And I don't think leave it to compiler is 
> more proper here.

The BUG_ON covers it, the current gcc gets this right and works it out.

NAK again

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