From 6e1c5d187c92f3fdc6477e775ce0361c0ae6f5a9 Mon Sep 17 00:00:00 2001
From: Andriy Gapon <avg@FreeBSD.org>
Date: Tue, 5 Dec 2017 14:22:08 +0000
Subject: [PATCH] ddb: fix validation of cpu id in 'set db_cpu=x'

MFC after:	1 week
---
 sys/ddb/db_sym.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sys/ddb/db_sym.c b/sys/ddb/db_sym.c
index a28013981355..cbe60801f390 100644
--- a/sys/ddb/db_sym.c
+++ b/sys/ddb/db_sym.c
@@ -85,8 +85,8 @@ db_var_db_cpu(struct db_variable *vp, db_expr_t *valuep, int op)
 		return (1);
 
 	case DB_VAR_SET:
-		if (*(int *)valuep < -1 && *(int *)valuep > mp_maxid) {
-			db_printf("Invalid value: %d", *(int*)valuep);
+		if (*(int *)valuep < -1 || *(int *)valuep > mp_maxid) {
+			db_printf("Invalid value: %d\n", *(int*)valuep);
 			return (0);
 		}
 		db_cpu = *(int *)valuep;