cgroup: fix compile warning

commit 4f41fc5 ("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: 4f41fc5 ("cgroup, kernfs: make mountinfo show properly scoped path for cgroup namespaces") Signed-off-by: Felipe Balbi <[email protected]> Signed-off-by: Tejun Heo <[email protected]>
CamonZ · May 12, 2016 · 09be4c8 · 09be4c8
1 parent 3cc9b23
commit 09be4c8
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/kernel/cgroup.c b/kernel/cgroup.c
@@ -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;