diff --git a/drivers/char/random.c b/drivers/char/random.c
index 6b75713d953a4e719cd33610f6034bec430c5d95..0a19d866a153f235363365dd221e162e1cdfa0ff 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -902,6 +902,7 @@ void add_disk_randomness(struct gendisk *disk)
 	add_timer_randomness(disk->random, 0x100 + disk_devt(disk));
 	trace_add_disk_randomness(disk_devt(disk), ENTROPY_BITS(&input_pool));
 }
+EXPORT_SYMBOL_GPL(add_disk_randomness);
 #endif
 
 /*********************************************************************