cgroup: fix error return value of cgroup_addrm_files()

cgroup_addrm_files() incorrectly returned 0 after add failure. Fix it. Signed-off-by: Tejun Heo <tj@kernel.org> Acked-by: Johannes Weiner <hannes@cmpxchg.org>
mariux64 · Feb 23, 2016 · b598dde · b598dde
1 parent 1619b6d
commit b598dde
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/kernel/cgroup.c b/kernel/cgroup.c
@@ -3369,7 +3369,7 @@ static int cgroup_addrm_files(struct cgroup_subsys_state *css,
 			      bool is_add)
 {
 	struct cftype *cft, *cft_end = NULL;
-	int ret;
+	int ret = 0;
 
 	lockdep_assert_held(&cgroup_mutex);
 
@@ -3398,7 +3398,7 @@ static int cgroup_addrm_files(struct cgroup_subsys_state *css,
 			cgroup_rm_file(cgrp, cft);
 		}
 	}
-	return 0;
+	return ret;
 }
 
 static int cgroup_apply_cftypes(struct cftype *cfts, bool is_add)