From 0e8323ccee9ef2af7ccf6c79b0a6a3802d7ae95b Mon Sep 17 00:00:00 2001
From: Nicolas Williams <nico@twosigma.com>
Date: Wed, 15 Sep 2021 10:41:32 -0500
Subject: [PATCH] roken: Do not pass NULL to getpwnam_r()

---
 lib/roken/getuserinfo.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/roken/getuserinfo.c b/lib/roken/getuserinfo.c
index d1c29e9b3..76cd78241 100644
--- a/lib/roken/getuserinfo.c
+++ b/lib/roken/getuserinfo.c
@@ -156,7 +156,7 @@ roken_get_homedir(char *home, size_t homesz)
     }
 
 #ifdef HAVE_GETPWNAM_R
-    {
+    if (username) {
         struct passwd pwd;
         struct passwd *pwdp;
         char buf[buflen];