cgroup still can be created even if giving invalid -d,-f,-s parameter
e.g.
        cgcreate -g cpu:/test -d 888
"888" is invalid, but test will be cgreated.

So we should exit if -d,-f or -s is invalid

Signed-off-by: Libo Chen <clbchenlibo.c...@huawei.com>
---
 src/tools/cgcreate.c |    9 ++++++---
 1 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/src/tools/cgcreate.c b/src/tools/cgcreate.c
index b0003b1..6b80b79 100644
--- a/src/tools/cgcreate.c
+++ b/src/tools/cgcreate.c
@@ -138,15 +138,18 @@ int main(int argc, char *argv[])
                        break;
                case 'd':
                        dirm_change = 1;
-                       ret = parse_mode(optarg, &dir_mode, argv[0]);
+                       if (parse_mode(optarg, &dir_mode, argv[0]))
+                               goto err;
                        break;
                case 'f':
                        filem_change = 1;
-                       ret = parse_mode(optarg, &file_mode, argv[0]);
+                       if (parse_mode(optarg, &file_mode, argv[0]))
+                               goto err;
                        break;
                case 's':
                        filem_change = 1;
-                       ret = parse_mode(optarg, &tasks_mode, argv[0]);
+                       if (parse_mode(optarg, &tasks_mode, argv[0]))
+                               goto err;
                        break;
                default:
                        usage(1, argv[0]);
-- 
1.7.1


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