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sysctl: allow embedded targets to disable sysctl_check.c

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Disable sysctl_check.c for embedded targets. This saves about about 11 kB
in .text and another 11 kB in .data on a PXA255 embedded platform.

Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Holger Schurig
2008-04-29 01:02:36 -07:00
committed by Linus Torvalds
parent c7705f3449
commit 88f458e4b9
3 changed files with 20 additions and 3 deletions
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10
kernel/sysctl.c
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@@ -1592,9 +1592,13 @@ static void sysctl_set_parent(struct ctl_table *parent, struct ctl_table *table)
static __init int sysctl_init(void)
{
int err;
sysctl_set_parent(NULL, root_table);
err = sysctl_check_table(current->nsproxy, root_table);
#ifdef CONFIG_SYSCTL_SYSCALL_CHECK
{
int err;
err = sysctl_check_table(current->nsproxy, root_table);
}
#endif
return 0;
}
@@ -1721,10 +1725,12 @@ struct ctl_table_header *__register_sysctl_paths(
header->unregistering = NULL;
header->root = root;
sysctl_set_parent(NULL, header->ctl_table);
#ifdef CONFIG_SYSCTL_SYSCALL_CHECK
if (sysctl_check_table(namespaces, header->ctl_table)) {
kfree(header);
return NULL;
}
#endif
spin_lock(&sysctl_lock);
header_list = lookup_header_list(root, namespaces);
list_add_tail(&header->ctl_entry, header_list);