1 files changed, 5 insertions, 7 deletions
diff --git a/kernel/cgroup/cgroup-v1.c b/kernel/cgroup/cgroup-v1.c
index ee93b6e89587..8d6bf56ed77a 100644
--- a/kernel/cgroup/cgroup-v1.c
+++ b/kernel/cgroup/cgroup-v1.c
@@ -911,13 +911,11 @@ int cgroup1_parse_param(struct fs_context *fc, struct fs_parameter *param)
 
 	opt = fs_parse(fc, cgroup1_fs_parameters, param, &result);
 	if (opt == -ENOPARAM) {
-		if (strcmp(param->key, "source") == 0) {
-			if (fc->source)
-				return invalf(fc, "Multiple sources not supported");
-			fc->source = param->string;
-			param->string = NULL;
-			return 0;
-		}
+		int ret;
+
+		ret = vfs_parse_fs_param_source(fc, param);
+		if (ret != -ENOPARAM)
+			return ret;
 		for_each_subsys(ss, i) {
 			if (strcmp(param->key, ss->legacy_name))
 				continue;