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-rw-r--r--drivers/char/Kconfig1
-rw-r--r--drivers/char/random.c4
2 files changed, 5 insertions, 0 deletions
diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig
index 4cc619edf424..bde1c665d9f4 100644
--- a/drivers/char/Kconfig
+++ b/drivers/char/Kconfig
@@ -1006,6 +1006,7 @@ config GPIO_VR41XX
1006 1006
1007config RAW_DRIVER 1007config RAW_DRIVER
1008 tristate "RAW driver (/dev/raw/rawN) (OBSOLETE)" 1008 tristate "RAW driver (/dev/raw/rawN) (OBSOLETE)"
1009 depends on BLOCK
1009 help 1010 help
1010 The raw driver permits block devices to be bound to /dev/raw/rawN. 1011 The raw driver permits block devices to be bound to /dev/raw/rawN.
1011 Once bound, I/O against /dev/raw/rawN uses efficient zero-copy I/O. 1012 Once bound, I/O against /dev/raw/rawN uses efficient zero-copy I/O.
diff --git a/drivers/char/random.c b/drivers/char/random.c
index 4c3a5ca9d8f7..b430a12eb819 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -655,6 +655,7 @@ void add_interrupt_randomness(int irq)
655 add_timer_randomness(irq_timer_state[irq], 0x100 + irq); 655 add_timer_randomness(irq_timer_state[irq], 0x100 + irq);
656} 656}
657 657
658#ifdef CONFIG_BLOCK
658void add_disk_randomness(struct gendisk *disk) 659void add_disk_randomness(struct gendisk *disk)
659{ 660{
660 if (!disk || !disk->random) 661 if (!disk || !disk->random)
@@ -667,6 +668,7 @@ void add_disk_randomness(struct gendisk *disk)
667} 668}
668 669
669EXPORT_SYMBOL(add_disk_randomness); 670EXPORT_SYMBOL(add_disk_randomness);
671#endif
670 672
671#define EXTRACT_SIZE 10 673#define EXTRACT_SIZE 10
672 674
@@ -918,6 +920,7 @@ void rand_initialize_irq(int irq)
918 } 920 }
919} 921}
920 922
923#ifdef CONFIG_BLOCK
921void rand_initialize_disk(struct gendisk *disk) 924void rand_initialize_disk(struct gendisk *disk)
922{ 925{
923 struct timer_rand_state *state; 926 struct timer_rand_state *state;
@@ -932,6 +935,7 @@ void rand_initialize_disk(struct gendisk *disk)
932 disk->random = state; 935 disk->random = state;
933 } 936 }
934} 937}
938#endif
935 939
936static ssize_t 940static ssize_t
937random_read(struct file * file, char __user * buf, size_t nbytes, loff_t *ppos) 941random_read(struct file * file, char __user * buf, size_t nbytes, loff_t *ppos)