cgroup: fix compile warning

commit 4f41fc5962 ("cgroup, kernfs: make mountinfo
 show properly scoped path for cgroup namespaces")
 added the following compile warning:

kernel/cgroup.c: In function ‘cgroup_show_path’:
kernel/cgroup.c:1634:15: warning: unused variable ‘ret’ [-Wunused-variable]
  int len = 0, ret = 0;
               ^
fix it.

Fixes: 4f41fc5962 ("cgroup, kernfs: make mountinfo show properly scoped path for cgroup namespaces")
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
Felipe Balbi 2016-05-12 12:34:38 +03:00 committed by Tejun Heo
parent 3cc9b23c81
commit 09be4c824e

View File

@ -1631,7 +1631,7 @@ static int rebind_subsystems(struct cgroup_root *dst_root, u16 ss_mask)
static int cgroup_show_path(struct seq_file *sf, struct kernfs_node *kf_node,
struct kernfs_root *kf_root)
{
int len = 0, ret = 0;
int len = 0;
char *buf = NULL;
struct cgroup_root *kf_cgroot = cgroup_root_from_kf(kf_root);
struct cgroup *ns_cgroup;