linux-kernel - Re: fs/9p: Improve exception handling in v9fs_session

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Date: Mon, 8 Jan 2024 13:15:43 +0100
From: Markus Elfring <Markus.Elfring@....de>
To: Dominique Martinet <asmadeus@...ewreck.org>,
 Eric Van Hensbergen <ericvh@...nel.org>, v9fs@...ts.linux.dev,
 kernel-janitors@...r.kernel.org
Cc: Christian Schönebeck <linux_oss@...debyte.com>,
 Latchesar Ionkov <lucho@...kov.net>, LKML <linux-kernel@...r.kernel.org>
Subject: Re: fs/9p: Improve exception handling in v9fs_session_init()

>> The kfree() function was called in up to two cases by
>> the v9fs_session_init() function during error handling
>> even if the passed variable contained a null pointer.
>
> I don't see the problem in calling kfree on null things (especially on
> error path).

Will you become willing to reduce the number of redundant function calls
for improved exception handling?

Regards,
Markus