diff --git a/drivers/pci/pcie/aspm.c b/drivers/pci/pcie/aspm.c
index e61b82e..eee09f7 100644
--- a/drivers/pci/pcie/aspm.c
+++ b/drivers/pci/pcie/aspm.c
@@ -770,6 +770,8 @@
 	int i;
 	struct pcie_link_state *link;
 
+	if (aspm_disabled)
+		return -EPERM;
 	for (i = 0; i < ARRAY_SIZE(policy_str); i++)
 		if (!strncmp(val, policy_str[i], strlen(policy_str[i])))
 			break;
@@ -824,6 +826,8 @@
 	struct pcie_link_state *link, *root = pdev->link_state->root;
 	u32 val = buf[0] - '0', state = 0;
 
+	if (aspm_disabled)
+		return -EPERM;
 	if (n < 1 || val > 3)
 		return -EINVAL;