linux-kernel - Re: [PATCH] autofs4 - panic after mount fail

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Date:	Mon, 13 Nov 2006 11:07:13 +0000
From:	David Howells <dhowells@...hat.com>
To:	Ian Kent <raven@...maw.net>
Cc:	Andrew Morton <akpm@...l.org>, "bibo,mao" <bibo.mao@...el.com>,
	David Howells <dhowells@...hat.com>,
	Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] autofs4 - panic after mount fail 

Ian Kent <raven@...maw.net> wrote:

> -	if (sbi->pipe) {
> -		fput(sbi->pipe);	/* Close the pipe */
> -		sbi->pipe = NULL;
> -	}
> +	fput(sbi->pipe);	/* Close the pipe */
> +	sbi->pipe = NULL;

Ummm...  Is that right?  fput() doesn't check its argument for a NULL pointer,
so the original code shouldn't hurt and should give you an extra bit of
defense.

Other than that, it looks reasonable.

David
-
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