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Message-ID: <54ABF260.9020904@users.sourceforge.net>
Date: Tue, 06 Jan 2015 15:34:08 +0100
From: SF Markus Elfring <elfring@...rs.sourceforge.net>
To: Dominique Martinet <dominique.martinet@....fr>,
Julia Lawall <julia.lawall@...6.fr>
CC: Latchesar Ionkov <lucho@...kov.net>,
Eric Van Hensbergen <ericvh@...il.com>,
kernel-janitors@...r.kernel.org,
LKML <linux-kernel@...r.kernel.org>,
Ron Minnich <rminnich@...dia.gov>,
v9fs-developer@...ts.sourceforge.net,
Dan Carpenter <dan.carpenter@...cle.com>
Subject: Re: [V9fs-developer] [PATCH 1/8] fs/9p: Deletion of unnecessary checks
before the function call "p9_client_clunk"
>> jumping to label error from a failure in p9_client_fcreate (e.g. EPERM
>> or something perfectly valid) will, with your patch, call clunk with fid
>> == NULL and thus generate a stack trace, while it is a perfectly normal
>> code path that should only return to userspace with EPERM.
>
> Actually just seen that this precise example is fixed along with more
> similar code paths in subsequents (!) patchs of the set.
Do you refer to my update suggestions with a subject like "One function
call less in v9fs_…" here?
> It could actually be interesting to see if we could get all such
> paths "fixed".
Would you like to see any more specific source code clean-up?
Which kind of fine-tuning have you got in mind?
Regards,
Markus
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