From 90ee1f3a0464bcb0eb9a186ab81236df721b6d27 Mon Sep 17 00:00:00 2001
From: Ruslan Ermilov <ru@FreeBSD.org>
Date: Sat, 14 Jan 2006 20:45:02 +0000
Subject: [PATCH] Ignore spurious '\0' first character read on a serial
 console. This allows me to "boot -a" over a serial console.  Tested on
 several machines.

---
 sys/libkern/gets.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sys/libkern/gets.c b/sys/libkern/gets.c
index 423146ed5edb..4834da0f5b76 100644
--- a/sys/libkern/gets.c
+++ b/sys/libkern/gets.c
@@ -56,6 +56,8 @@ gets(char *cp, size_t size, int visible)
 				lp--;
 			}
 			continue;
+		case '\0':
+			continue;
 		default:
 			if (lp < end) {
 				if (visible)