[PATCH 55/69] sysctl: no-child: manually register kernel/random

[Lucian Adrian Grijincu]

Signed-off-by: Lucian Adrian Grijincu <lucian.grijincu@xxxxxxxxx>
---
 drivers/char/random.c |   27 ++++++++++++++++++++++++++-
 kernel/sysctl.c       |    6 ------
 2 files changed, 26 insertions(+), 7 deletions(-)

diff --git a/drivers/char/random.c b/drivers/char/random.c
index d4ddeba..8893c4b 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -959,8 +959,15 @@ static void init_std_data(struct entropy_store *r)
 	mix_pool_bytes(r, utsname(), sizeof(*(utsname())));
 }
 
+static int __init register_random_sysctls(void);
+
 static int rand_initialize(void)
 {
+	int rc;
+	rc = register_random_sysctls();
+	if (!rc)
+		return rc;
+
 	init_std_data(&input_pool);
 	init_std_data(&blocking_pool);
 	init_std_data(&nonblocking_pool);
@@ -1250,7 +1257,7 @@ static int proc_do_uuid(ctl_table *table, int write,
 }
 
 static int sysctl_poolsize = INPUT_POOL_WORDS * 32;
-ctl_table random_table[] = {
+static struct ctl_table random_table[] = {
 	{
 		.procname	= "poolsize",
 		.data		= &sysctl_poolsize,
@@ -1298,6 +1305,24 @@ ctl_table random_table[] = {
 	},
 	{ }
 };
+
+static const __initdata struct ctl_path random_path[] = {
+	{ .procname = "kernel" },
+	{ .procname = "random" },
+	{ }
+};
+
+static struct ctl_table_header *random_header;
+
+static int __init register_random_sysctls(void)
+{
+	random_header = register_sysctl_paths(random_path, random_table);
+	if (!random_header)
+		return -ENOMEM;
+	return 0;
+}
+#else /* CONFIG_SYSCTL */
+static int __init register_random_sysctls(void) { return 0; }
 #endif 	/* CONFIG_SYSCTL */
 
 /********************************************************************
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index b813724..a3f060c 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -216,7 +216,6 @@ static struct ctl_table vm_table[];
 static struct ctl_table fs_table[];
 static struct ctl_table debug_table[];
 static struct ctl_table dev_table[];
-extern struct ctl_table random_table[];
 #ifdef CONFIG_EPOLL
 extern struct ctl_table epoll_table[];
 #endif
@@ -611,11 +610,6 @@ static struct ctl_table kern_table[] = {
 		.proc_handler	= proc_dointvec,
 	},
 	{
-		.procname	= "random",
-		.mode		= 0555,
-		.child		= random_table,
-	},
-	{
 		.procname	= "overflowuid",
 		.data		= &overflowuid,
 		.maxlen		= sizeof(int),
-- 
1.7.5.134.g1c08b

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