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  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]
Date:   Tue, 19 May 2020 15:40:19 -0700 (PDT)
From:   David Miller <>
Subject: Re: [PATCH] net/sch_generic.h: use sizeof_member() and get rid of
 unused variable

From: Antonio Quartulli <>
Date: Tue, 19 May 2020 11:13:33 +0200

> Compiling with -Wunused triggers the following warning:
> ./include/net/sch_generic.h: In function ‘qdisc_cb_private_validate’:
> ./include/net/sch_generic.h:464:23: warning: unused variable ‘qcb’ [-Wunused-variable]
>   464 |  struct qdisc_skb_cb *qcb;
>       |                       ^~~
> as the qcb variable is only used to compute the sizeof one of its members.

It's referenced in the code, therefore it is not "unused".

If in some configuration BUILD_BUG_ON() does not reference it's arguments,
that's the bug that needs to be fixed.

Powered by blists - more mailing lists