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Date:	Mon, 5 Jan 2015 23:01:55 +0100 (CET)
From:	Julia Lawall <>
To:	SF Markus Elfring <>
cc:	Julia Lawall <>,
	Dan Carpenter <>,
	Eric Van Hensbergen <>,
	Latchesar Ionkov <>,
	Ron Minnich <>,,
	LKML <>,
Subject: Re: [PATCH 1/8] fs/9p: Deletion of unnecessary checks before the
 function call "p9_client_clunk"

> The error response is clear. Are any software developments efforts expected
> to clean-up the call stack for unwanted null pointers even more?

I found the original patch and looked at the call sites.  None of them 
calls dump_stack.  The behavior is thus not the same.  With your change, 
something that was previously treated in an orderly manner will be 
converted to something that looks like an oops.  I assume that the cost of 
the dump_stack will also be huge.

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