cgroups/cgfsng: rework cgfsng_{get,set}()

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

cgroups/cgfsng: rework cgfsng_{get,set}()
a358028a · Christian Brauner · 6bdf9691 · a358028a
Unverified Commit a358028a authored Dec 08, 2019 by Christian Brauner
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cgfsng.c src/lxc/cgroups/cgfsng.c +6 -0

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--- a/src/lxc/cgroups/cgfsng.c
+++ b/src/lxc/cgroups/cgfsng.c
@@ -2353,6 +2353,9 @@ __cgfsng_ops static int cgfsng_get(struct cgroup_ops *ops, const char *filename,
 	struct hierarchy *h;
 	int ret = -1;

+	if (!ops)
+		return ret_set_errno(-1, ENOENT);
+
 	controller = must_copy_string(filename);
 	p = strchr(controller, '.');
 	if (p)
@@ -2493,6 +2496,9 @@ __cgfsng_ops static int cgfsng_set(struct cgroup_ops *ops,
 	struct hierarchy *h;
 	int ret = -1;

+	if (!ops)
+		return ret_set_errno(-1, ENOENT);
+
 	controller = must_copy_string(key);
 	p = strchr(controller, '.');
 	if (p)