Fix build when HAS_GETRANDOM is undefined

e.g.
util.c:1163:14: error: use of undeclared identifier 'dev_random'; did you mean 'raw_random'?
 1163 |                 ret = read(dev_random, (char *)buf + random_read,

Fixes: 71d5deed5eed ("util: Add general low-level random bytes helper")
Signed-off-by: Peter Foley <pefoley@google.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Laurent Vivier <lvivier@redhat.com>
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/util.c b/util.c
index a48f727..f682533 100644
--- a/util.c
+++ b/util.c
@@ -1159,7 +1159,7 @@ void raw_random(void *buf, size_t buflen)
 		ret = getrandom((char *)buf + random_read,
 				buflen - random_read, GRND_RANDOM);
 #else
-		ret = read(dev_random, (char *)buf + random_read,
+		ret = read(fd, (char *)buf + random_read,
 			   buflen - random_read);
 #endif
 
@@ -1176,7 +1176,7 @@ void raw_random(void *buf, size_t buflen)
 	}
 
 #ifndef HAS_GETRANDOM
-	close(dev_random);
+	close(fd);
 #endif
 
 	if (random_read < buflen)