lguest: have --rng read from /dev/urandom not /dev/random.
Theoretical debates aside, now it boots.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
diff --git a/tools/lguest/lguest.c b/tools/lguest/lguest.c
index 32cf2ce..3f7f232 100644
--- a/tools/lguest/lguest.c
+++ b/tools/lguest/lguest.c
@@ -1733,9 +1733,9 @@
}
/*L:211
- * Our random number generator device reads from /dev/random into the Guest's
+ * Our random number generator device reads from /dev/urandom into the Guest's
* input buffers. The usual case is that the Guest doesn't want random numbers
- * and so has no buffers although /dev/random is still readable, whereas
+ * and so has no buffers although /dev/urandom is still readable, whereas
* console is the reverse.
*
* The same logic applies, however.
@@ -1763,7 +1763,7 @@
while (!iov_empty(iov, in_num)) {
len = readv(rng_info->rfd, iov, in_num);
if (len <= 0)
- err(1, "Read from /dev/random gave %i", len);
+ err(1, "Read from /dev/urandom gave %i", len);
iov_consume(iov, in_num, NULL, len);
totlen += len;
}
@@ -1780,8 +1780,8 @@
struct device *dev;
struct rng_info *rng_info = malloc(sizeof(*rng_info));
- /* Our device's privat info simply contains the /dev/random fd. */
- rng_info->rfd = open_or_die("/dev/random", O_RDONLY);
+ /* Our device's private info simply contains the /dev/urandom fd. */
+ rng_info->rfd = open_or_die("/dev/urandom", O_RDONLY);
/* Create the new device. */
dev = new_device("rng", VIRTIO_ID_RNG);