From cf5b29e126666413db5eeef96abda82a8e1b2cab Mon Sep 17 00:00:00 2001
From: Ruslan Ermilov <ru@FreeBSD.org>
Date: Wed, 19 Dec 2001 08:38:02 +0000
Subject: [PATCH] Make ``df -l'' work when no network filesystems are loaded.

PR:		bin/32397
---
 bin/df/df.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/bin/df/df.c b/bin/df/df.c
index 77c2d28efe7..f244c26f876 100644
--- a/bin/df/df.c
+++ b/bin/df/df.c
@@ -548,8 +548,10 @@ makenetvfslist()
 			}
 		}
 
-	if ((str = malloc(sizeof(char) * (32 * cnt + cnt + 2))) == NULL) {
-		warnx("malloc failed");
+	if (cnt == 0 ||
+	    (str = malloc(sizeof(char) * (32 * cnt + cnt + 2))) == NULL) {
+		if (cnt > 0)
+			warnx("malloc failed");
 		free(listptr);
 		return (NULL);
 	}