From b6b8505c014f3f7ccd1ef206bcb23e2773711261 Mon Sep 17 00:00:00 2001
From: pjd <pjd@FreeBSD.org>
Date: Tue, 25 Oct 2011 07:34:35 +0000
Subject: [PATCH] If 'req' is NULL, print error on stderr.

MFC after:	3 days
---
 sbin/geom/misc/subr.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/sbin/geom/misc/subr.c b/sbin/geom/misc/subr.c
index 1409eba751cb..f7b2764a6f14 100644
--- a/sbin/geom/misc/subr.c
+++ b/sbin/geom/misc/subr.c
@@ -379,10 +379,15 @@ gctl_error(struct gctl_req *req, const char *error, ...)
 {
 	va_list ap;
 
-	if (req->error != NULL)
+	if (req != NULL && req->error != NULL)
 		return;
 	va_start(ap, error);
-	vasprintf(&req->error, error, ap);
+	if (req != NULL) {
+		vasprintf(&req->error, error, ap);
+	} else {
+		vfprintf(stderr, error, ap);
+		fprintf(stderr, "\n");
+	}
 	va_end(ap);
 }