From 86c3a79a108091fe08869a887438cc2d4e1126ed Mon Sep 17 00:00:00 2001
From: Neil Brown <neilb@suse.de>
Date: Wed, 27 Aug 2008 16:30:19 -0400
Subject: [PATCH] mount issue with Mac OSX and --manage-gids, client hangs

Make sure are zero len group list is sent down to the
kernel when the gids do not exist on the server.

Tested-by: Alex Samad <alex@samad.com.au>
Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Steve Dickson <steved@redhat.com>
---
 utils/mountd/cache.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/utils/mountd/cache.c b/utils/mountd/cache.c
index f555dcc..609c6e3 100644
--- a/utils/mountd/cache.c
+++ b/utils/mountd/cache.c
@@ -158,8 +158,10 @@ void auth_unix_gid(FILE *f)
 		qword_printint(f, ngroups);
 		for (i=0; i<ngroups; i++)
 			qword_printint(f, groups[i]);
-	}
+	} else
+		qword_printint(f, 0);
 	qword_eol(f);
+
 	if (groups != glist)
 		free(groups);
 }
-- 
2.39.2