linux-kernel - Setting variable NULL after freeing it.

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-next>] [day] [month] [year] [list]

Message-ID: <CAOM0=dbwNs1XcnD0i+SrC1S-SNFEGXM5G8QrVCqAxaz=YkAEFg@mail.gmail.com>
Date:   Sat, 12 Nov 2022 11:47:39 +0530
From:   A <amit234234234234@...il.com>
To:     linux-kernel@...r.kernel.org
Subject: Setting variable NULL after freeing it.

Hi,

I am writing a linux kernel driver for a new device.

Is it a good practice to set variable NULL after freeing it?

Something like this -

kfree(x);
x = NULL;

Please let me know.

Amit