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sysctl: Stop implicitly passing current into sysctl_table_root.lookup

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Passing nsproxy into sysctl_table_root.lookup was a premature
optimization in attempt to avoid depending on current.  The
directory /proc/self/sys has not appeared and if and when
it does this code will need to be reviewed closely and reworked
anyway.  So remove the premature optimization.

Acked-by: Kees Cook <keescook@chromium.org>
Acked-by: Serge Hallyn <serge@hallyn.com>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
This commit is contained in:
Eric W. Biederman 2016-07-16 15:22:55 -05:00
parent 29b4817d40
commit 13bcc6a285
3 changed files with 10 additions and 11 deletions
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3
include/linux/sysctl.h
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@ -155,8 +155,7 @@ struct ctl_table_set {
struct ctl_table_root {
struct ctl_table_set default_set;
struct ctl_table_set *(*lookup)(struct ctl_table_root *root,
struct nsproxy *namespaces);
struct ctl_table_set *(*lookup)(struct ctl_table_root *root);
int (*permissions)(struct ctl_table_header *head, struct ctl_table *table);
};