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Message-ID: <alpine.DEB.2.02.1501052257270.2025@localhost6.localdomain6>
Date: Mon, 5 Jan 2015 23:01:55 +0100 (CET)
From: Julia Lawall <julia.lawall@...6.fr>
To: SF Markus Elfring <elfring@...rs.sourceforge.net>
cc: Julia Lawall <julia.lawall@...6.fr>,
Dan Carpenter <dan.carpenter@...cle.com>,
Eric Van Hensbergen <ericvh@...il.com>,
Latchesar Ionkov <lucho@...kov.net>,
Ron Minnich <rminnich@...dia.gov>,
v9fs-developer@...ts.sourceforge.net,
LKML <linux-kernel@...r.kernel.org>,
kernel-janitors@...r.kernel.org
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.
julia
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