[PATCH] uml: locking commentary in the random driver
Comment the lack of locking.
Signed-off-by: Jeff Dike <jdike@addtoit.com>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/arch/um/drivers/random.c b/arch/um/drivers/random.c
index 73b2bdd..e942e83 100644
--- a/arch/um/drivers/random.c
+++ b/arch/um/drivers/random.c
@@ -78,6 +78,7 @@
.read = rng_dev_read,
};
+/* rng_init shouldn't be called more than once at boot time */
static struct miscdevice rng_miscdev = {
RNG_MISCDEV_MINOR,
RNG_MODULE_NAME,