diff options
-rw-r--r-- | drivers/char/random.c | 21 | ||||
-rw-r--r-- | fs/btrfs/volumes.c | 2 | ||||
-rw-r--r-- | fs/ext4/ioctl.c | 2 | ||||
-rw-r--r-- | fs/f2fs/file.c | 2 | ||||
-rw-r--r-- | fs/reiserfs/objectid.c | 2 | ||||
-rw-r--r-- | fs/ubifs/sb.c | 2 | ||||
-rw-r--r-- | include/linux/random.h | 1 | ||||
-rw-r--r-- | include/linux/uuid.h | 2 | ||||
-rw-r--r-- | lib/uuid.c | 20 |
9 files changed, 28 insertions, 26 deletions
diff --git a/drivers/char/random.c b/drivers/char/random.c index b583e5336630..0158d3bff7e5 100644 --- a/drivers/char/random.c +++ b/drivers/char/random.c @@ -260,6 +260,7 @@ #include <linux/irq.h> #include <linux/syscalls.h> #include <linux/completion.h> +#include <linux/uuid.h> #include <asm/processor.h> #include <asm/uaccess.h> @@ -1621,26 +1622,6 @@ SYSCALL_DEFINE3(getrandom, char __user *, buf, size_t, count, return urandom_read(NULL, buf, count, NULL); } -/*************************************************************** - * Random UUID interface - * - * Used here for a Boot ID, but can be useful for other kernel - * drivers. - ***************************************************************/ - -/* - * Generate random UUID - */ -void generate_random_uuid(unsigned char uuid_out[16]) -{ - get_random_bytes(uuid_out, 16); - /* Set UUID version to 4 --- truly random generation */ - uuid_out[6] = (uuid_out[6] & 0x0F) | 0x40; - /* Set the UUID variant to DCE */ - uuid_out[8] = (uuid_out[8] & 0x3F) | 0x80; -} -EXPORT_SYMBOL(generate_random_uuid); - /******************************************************************** * * Sysctl interface diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index bd0f45fb38c4..bfb80da3e6eb 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -20,13 +20,13 @@ #include <linux/slab.h> #include <linux/buffer_head.h> #include <linux/blkdev.h> -#include <linux/random.h> #include <linux/iocontext.h> #include <linux/capability.h> #include <linux/ratelimit.h> #include <linux/kthread.h> #include <linux/raid/pq.h> #include <linux/semaphore.h> +#include <linux/uuid.h> #include <asm/div64.h> #include "ctree.h" #include "extent_map.h" diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c index eae5917c534e..7497f50cb293 100644 --- a/fs/ext4/ioctl.c +++ b/fs/ext4/ioctl.c @@ -13,8 +13,8 @@ #include <linux/compat.h> #include <linux/mount.h> #include <linux/file.h> -#include <linux/random.h> #include <linux/quotaops.h> +#include <linux/uuid.h> #include <asm/uaccess.h> #include "ext4_jbd2.h" #include "ext4.h" diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index eb9d027e5981..c6b14951bef3 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -20,7 +20,7 @@ #include <linux/uaccess.h> #include <linux/mount.h> #include <linux/pagevec.h> -#include <linux/random.h> +#include <linux/uuid.h> #include "f2fs.h" #include "node.h" diff --git a/fs/reiserfs/objectid.c b/fs/reiserfs/objectid.c index 99a5d5dae46a..415d66ca87d1 100644 --- a/fs/reiserfs/objectid.c +++ b/fs/reiserfs/objectid.c @@ -3,8 +3,8 @@ */ #include <linux/string.h> -#include <linux/random.h> #include <linux/time.h> +#include <linux/uuid.h> #include "reiserfs.h" /* find where objectid map starts */ diff --git a/fs/ubifs/sb.c b/fs/ubifs/sb.c index f4fbc7b6b794..3cbb904a6d7d 100644 --- a/fs/ubifs/sb.c +++ b/fs/ubifs/sb.c @@ -28,8 +28,8 @@ #include "ubifs.h" #include <linux/slab.h> -#include <linux/random.h> #include <linux/math64.h> +#include <linux/uuid.h> /* * Default journal size in logical eraseblocks as a percent of total diff --git a/include/linux/random.h b/include/linux/random.h index 9c29122037f9..e47e533742b5 100644 --- a/include/linux/random.h +++ b/include/linux/random.h @@ -26,7 +26,6 @@ extern void get_random_bytes(void *buf, int nbytes); extern int add_random_ready_callback(struct random_ready_callback *rdy); extern void del_random_ready_callback(struct random_ready_callback *rdy); 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 diff --git a/include/linux/uuid.h b/include/linux/uuid.h index 6df2509033d7..91c2b6d9cbb7 100644 --- a/include/linux/uuid.h +++ b/include/linux/uuid.h @@ -33,6 +33,8 @@ static inline int uuid_be_cmp(const uuid_be u1, const uuid_be u2) return memcmp(&u1, &u2, sizeof(uuid_be)); } +void generate_random_uuid(unsigned char uuid[16]); + extern void uuid_le_gen(uuid_le *u); extern void uuid_be_gen(uuid_be *u); diff --git a/lib/uuid.c b/lib/uuid.c index 398821e4dce1..6c81c0b0467e 100644 --- a/lib/uuid.c +++ b/lib/uuid.c @@ -23,6 +23,26 @@ #include <linux/uuid.h> #include <linux/random.h> +/*************************************************************** + * Random UUID interface + * + * Used here for a Boot ID, but can be useful for other kernel + * drivers. + ***************************************************************/ + +/* + * Generate random UUID + */ +void generate_random_uuid(unsigned char uuid[16]) +{ + get_random_bytes(uuid, 16); + /* Set UUID version to 4 --- truly random generation */ + uuid[6] = (uuid[6] & 0x0F) | 0x40; + /* Set the UUID variant to DCE */ + uuid[8] = (uuid[8] & 0x3F) | 0x80; +} +EXPORT_SYMBOL(generate_random_uuid); + static void __uuid_gen_common(__u8 b[16]) { prandom_bytes(b, 16); |