From b9c52b50a7ceb5bb43399df3b224e41e28019277 Mon Sep 17 00:00:00 2001
From: "Pedro F. Giffuni" <pfg@FreeBSD.org>
Date: Sun, 22 May 2016 00:29:25 +0000
Subject: [PATCH] ndis(4):  adjustments for our random() specific
 implementation.

- Revert r300377: The implementation claims to return a value
  within the range. [1]
- Adjust the value for the case of a zero seed, whihc according
  to standards should be equivalent to a seed of value 1.

Pointed out by:	cem
---
 sys/compat/ndis/subr_ntoskrnl.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/sys/compat/ndis/subr_ntoskrnl.c b/sys/compat/ndis/subr_ntoskrnl.c
index 35f38a46387..9b5e40344f8 100644
--- a/sys/compat/ndis/subr_ntoskrnl.c
+++ b/sys/compat/ndis/subr_ntoskrnl.c
@@ -3189,13 +3189,15 @@ static int
 rand(void)
 {
 
-	return (random() / 2 + 1);
+	return (random());
 }
 
 static void
 srand(unsigned int seed)
 {
 
+	if (seed == 0)
+		seed = 1;
 	srandom(seed);
 }