From: Wang Shilong <wangsl-f...@cn.fujitsu.com>

In kernel, qgroupid 0 is a special number when we run the quota group limit 
command.

So, we should not be able to create a quota group whose id is 0, otherwise the 
kernel
can't deal with it. Fix it.

Signed-off-by: Wang Shilong <wangsl-f...@cn.fujitsu.com>
Signed-off-by: Miao Xie <mi...@cn.fujitsu.com>
Signed-off-by: Gene Czarcinski <g...@czarc.net>
---
 cmds-qgroup.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/cmds-qgroup.c b/cmds-qgroup.c
index 70019d0..dfff1b9 100644
--- a/cmds-qgroup.c
+++ b/cmds-qgroup.c
@@ -86,6 +86,10 @@ static int qgroup_create(int create, int argc, char **argv)
        args.create = create;
        args.qgroupid = parse_qgroupid(argv[1]);
 
+       if (!args.qgroupid) {
+               fprintf(stderr, "ERROR: qgroup 0 is not supported\n");
+               return 30;
+       }
        fd = open_file_or_dir(path);
        if (fd < 0) {
                fprintf(stderr, "ERROR: can't access '%s'\n", path);
-- 
1.8.1

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