linux-kernel - Re: md: Combine two kmalloc() calls into one in sb

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <b992386f-bf20-8483-d7dd-ee4c29625ecb@users.sourceforge.net>
Date:   Fri, 9 Dec 2016 22:58:22 +0100
From:   SF Markus Elfring <elfring@...rs.sourceforge.net>
To:     Bernd Schubert <bernd.schubert@...tmail.fm>
Cc:     linux-raid@...r.kernel.org, Shaohua Li <shli@...nel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org
Subject: Re: md: Combine two kmalloc() calls into one in sb_equal()

> Irrelevant, the variable is not used before checking it.

* Will it be more appropriate to attempt another memory allocation only if
  the previous one succeeded already?

* Can it be a bit more efficient to duplicate only the required data
  in a single function call before?

Regards,
Markus