lkml.org 
[lkml]   [2015]   [Dec]   [9]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
SubjectRe: [PATCH net-next] cgroup: fix sock_cgroup_data initialization on earlier compilers
From
From: Tejun Heo <tj@kernel.org>
Date: Wed, 9 Dec 2015 12:30:46 -0500

> sock_cgroup_data is a struct containing an anonymous union.
> sock_cgroup_set_prioidx() and sock_cgroup_set_classid() were
> initializing a field inside the anonymous union as follows.
>
> struct sock_ccgroup_data skcd_buf = { .val = VAL };
>
> While this is fine on more recent compilers, gcc-4.4.7 triggers the
> following errors.
>
> include/linux/cgroup-defs.h: In function ‘sock_cgroup_set_prioidx’:
> include/linux/cgroup-defs.h:619: error: unknown field ‘val’ specified in initializer
> include/linux/cgroup-defs.h:619: warning: missing braces around initializer
> include/linux/cgroup-defs.h:619: warning: (near initialization for ‘skcd_buf.<anonymous>’)
>
> This is because .val belongs to the anonymous union nested inside the
> struct but the initializer is missing the nesting. Fix it by adding
> an extra pair of braces.
>
> Signed-off-by: Tejun Heo <tj@kernel.org>
> Reported-by: Alaa Hleihel <alaa@dev.mellanox.co.il>
> Fixes: bd1060a1d671 ("sock, cgroup: add sock->sk_cgroup")

Applied, thanks.
\
 
 \ /
  Last update: 2015-12-09 21:21    [W:0.027 / U:1.076 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site