Make cgclear quiert when there is nothing to clear.

Cgclear clears and unmounts all controllers. Therefore I think it's not an
error when there is nothing to clear and unmount.

Signed-off-by: Jan Safranek <jsafrane@redhat.com>

diff --git a/src/tools/cgclear.c b/src/tools/cgclear.c
index 148576839b40f8681c4ac63ffa56e92a04200b65..c2862728510057ca227f0a95c5ddf8c7f0e2c4cf 100644 (file)
--- a/src/tools/cgclear.c
+++ b/src/tools/cgclear.c
@@ -27,6 +27,9 @@ int main(int argc, char *argv[])
        int error;
 
        error = cgroup_unload_cgroups();
+       /* Don't spit an error when there is nothing to clear. */
+       if (error == ECGROUPNOTMOUNTED)
+               error = 0;
 
        if (error) {
                printf("%s failed with %s\n", argv[0], cgroup_strerror(error));