commit 47d06e532e95b71c0db3839ebdef3fe8812fca2c
author Theodore Ts'o <tytso@mit.edu> Tue Sep 10 10:52:35 2013 -0400
committer Theodore Ts'o <tytso@mit.edu> Mon Sep 23 06:35:06 2013 -0400
tree f8d5c68cf8b0e4a8dcf107a41aa46f5aa82f7722
parent 6e4664525b1db28f8c4e1130957f70a94c19213e

random: run random_int_secret_init() run after all late_initcalls

The some platforms (e.g., ARM) initializes their clocks as
late_initcalls for some unknown reason.  So make sure
random_int_secret_init() is run after all of the late_initcalls are
run.

Cc: stable@vger.kernel.org
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>

drivers/char/random.c

diff --git a/drivers/char/random.c b/drivers/char/random.c
index 0d91fe5..92e6c67 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -1462,12 +1462,11 @@
 
 static u32 random_int_secret[MD5_MESSAGE_BYTES / 4] ____cacheline_aligned;
 
-static int __init random_int_secret_init(void)
+int random_int_secret_init(void)
 {
 	get_random_bytes(random_int_secret, sizeof(random_int_secret));
 	return 0;
 }
-late_initcall(random_int_secret_init);
 
 /*
  * Get a random word for internal kernel use only. Similar to urandom but

include/linux/random.h

diff --git a/include/linux/random.h b/include/linux/random.h
index 3b9377d..6312dd9 100644
--- a/include/linux/random.h
+++ b/include/linux/random.h
@@ -17,6 +17,7 @@
 extern void get_random_bytes(void *buf, int nbytes);
 extern void get_random_bytes_arch(void *buf, int nbytes);
 void generate_random_uuid(unsigned char uuid_out[16]);
+extern int random_int_secret_init(void);
 
 #ifndef MODULE
 extern const struct file_operations random_fops, urandom_fops;

init/main.c

diff --git a/init/main.c b/init/main.c
index d03d2ec..586cd33 100644
--- a/init/main.c
+++ b/init/main.c
@@ -75,6 +75,7 @@
 #include <linux/blkdev.h>
 #include <linux/elevator.h>
 #include <linux/sched_clock.h>
+#include <linux/random.h>
 
 #include <asm/io.h>
 #include <asm/bugs.h>
@@ -778,6 +779,7 @@
 	do_ctors();
 	usermodehelper_enable();
 	do_initcalls();
+	random_int_secret_init();
 }
 
 static void __init do_pre_smp_initcalls(void)