1 files changed, 4 insertions, 2 deletions
diff --git a/sys/libkern/random.c b/sys/libkern/random.c
index 35ddea1..1145a84 100644
--- a/sys/libkern/random.c
+++ b/sys/libkern/random.c
@@ -61,11 +61,13 @@ random()
 	 * Park and Miller, Communications of the ACM, vol. 31, no. 10,
 	 * October 1988, p. 1195.
 	 */
-	x = randseed;
+	/* Can't be initialized with 0, so use another value. */
+	if ((x = randseed) == 0)
+		x = 123459876;
 	hi = x / 127773;
 	lo = x % 127773;
 	t = 16807 * lo - 2836 * hi;
-	if (t <= 0)
+	if (t < 0)
 		t += 0x7fffffff;
 	randseed = t;
 	return (t);