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Subject[PATCH 56/69] sysctl: no-child: manually register kernel/keys
Date
Signed-off-by: Lucian Adrian Grijincu <lucian.grijincu@gmail.com>
---
include/linux/key.h | 4 +++-
kernel/sysctl.c | 7 -------
security/keys/key.c | 1 +
security/keys/sysctl.c | 18 +++++++++++++++++-
4 files changed, 21 insertions(+), 9 deletions(-)
diff --git a/include/linux/key.h b/include/linux/key.h
index b2bb017..9b3df18 100644
--- a/include/linux/key.h
+++ b/include/linux/key.h
@@ -281,7 +281,9 @@ static inline key_serial_t key_serial(struct key *key)
rwsem_is_locked(&((struct key *)(KEY))->sem)))

#ifdef CONFIG_SYSCTL
-extern ctl_table key_sysctls[];
+extern int __init key_register_sysctls(void);
+#else
+static int __init key_register_sysctls(void) { return 0; }
#endif

extern void key_replace_session_keyring(void);
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index a3f060c..4e63701 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -905,13 +905,6 @@ static struct ctl_table kern_table[] = {
.mode = 0644,
.proc_handler = proc_dostring,
},
-#ifdef CONFIG_KEYS
- {
- .procname = "keys",
- .mode = 0555,
- .child = key_sysctls,
- },
-#endif
#ifdef CONFIG_RCU_TORTURE_TEST
{
.procname = "rcutorture_runnable",
diff --git a/security/keys/key.c b/security/keys/key.c
index f7f9d93..33903c2 100644
--- a/security/keys/key.c
+++ b/security/keys/key.c
@@ -1099,6 +1099,7 @@ EXPORT_SYMBOL(unregister_key_type);
*/
void __init key_init(void)
{
+ key_register_sysctls();
/* allocate a slab in which we can store keys */
key_jar = kmem_cache_create("key_jar", sizeof(struct key),
0, SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL);
diff --git a/security/keys/sysctl.c b/security/keys/sysctl.c
index ee32d18..e079223 100644
--- a/security/keys/sysctl.c
+++ b/security/keys/sysctl.c
@@ -15,7 +15,7 @@

static const int zero, one = 1, max = INT_MAX;

-ctl_table key_sysctls[] = {
+static struct ctl_table key_table[] = {
{
.procname = "maxkeys",
.data = &key_quota_maxkeys,
@@ -63,3 +63,19 @@ ctl_table key_sysctls[] = {
},
{ }
};
+
+static const __initdata struct ctl_path key_path[] = {
+ { .procname = "kernel" },
+ { .procname = "keys" },
+ { }
+};
+
+static struct ctl_table_header *key_header;
+
+int __init key_register_sysctls(void)
+{
+ key_header = register_sysctl_paths(key_path, key_table);
+ if (key_header == NULL)
+ return -ENOMEM;
+ return 0;
+}
--
1.7.5.134.g1c08b


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