cgroups: vet parameters more strictly

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

cgroups: vet parameters more strictly
d5d4b98e · Christian Brauner · 0464dec3 · d5d4b98e
Unverified Commit d5d4b98e authored Jan 30, 2021 by Christian Brauner
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cgfsng.c src/lxc/cgroups/cgfsng.c +2 -2

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--- a/src/lxc/cgroups/cgfsng.c
+++ b/src/lxc/cgroups/cgfsng.c
@@ -2664,8 +2664,8 @@ __cgfsng_ops static int cgfsng_set(struct cgroup_ops *ops,
 	struct hierarchy *h;
 	int ret = -1;
-	if (!ops)
+	if (!ops || !key || !value || !name || !lxcpath)
-		return ret_set_errno(-1, ENOENT);
+		return ret_errno(ENOENT);
 	controller = must_copy_string(key);
 	p = strchr(controller, '.');