libcgroup: Fix the delete API

The delete call was returning a wrong value even on success.
The reason was because in the fallback path, we try to delete
all the groups again. Now it is possible that a group might
have already been deleted and we return a wrong value.

Change the API to check if the group exists before trying to rmdir
it in the error path.

Signed-off-by: Dhaval Giani <dhaval@linux.vnet.ibm.com>
Acked-by: Balbir Singh <balbir@linux.vnet.ibm.com>


git-svn-id: https://libcg.svn.sourceforge.net/svnroot/libcg/trunk@145 4f4bb910-9a46-0410-90c8-c897d4f1cd53

1 files changed, 5 insertions, 0 deletions

diff --git a/api.c b/api.c
index a6918a8..56d9af8 100644
--- a/api.c
+++ b/api.c
@@ -691,8 +691,13 @@ base_open_err:
 						cgroup->controller[i]->name))
 				continue;
 			error = rmdir(path);
+			if (error < 0 && errno == ENOENT)
+				error = 0;
 		}
 	}
+	if (error)
+		return ECGOTHER;
+
 	return error;
 }