aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/pci
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/pci')
-rw-r--r--drivers/pci/pcie/aspm.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/pci/pcie/aspm.c b/drivers/pci/pcie/aspm.c
index e61b82e611c2..eee09f756ec9 100644
--- a/drivers/pci/pcie/aspm.c
+++ b/drivers/pci/pcie/aspm.c
@@ -770,6 +770,8 @@ static int pcie_aspm_set_policy(const char *val, struct kernel_param *kp)
770 int i; 770 int i;
771 struct pcie_link_state *link; 771 struct pcie_link_state *link;
772 772
773 if (aspm_disabled)
774 return -EPERM;
773 for (i = 0; i < ARRAY_SIZE(policy_str); i++) 775 for (i = 0; i < ARRAY_SIZE(policy_str); i++)
774 if (!strncmp(val, policy_str[i], strlen(policy_str[i]))) 776 if (!strncmp(val, policy_str[i], strlen(policy_str[i])))
775 break; 777 break;
@@ -824,6 +826,8 @@ static ssize_t link_state_store(struct device *dev,
824 struct pcie_link_state *link, *root = pdev->link_state->root; 826 struct pcie_link_state *link, *root = pdev->link_state->root;
825 u32 val = buf[0] - '0', state = 0; 827 u32 val = buf[0] - '0', state = 0;
826 828
829 if (aspm_disabled)
830 return -EPERM;
827 if (n < 1 || val > 3) 831 if (n < 1 || val > 3)
828 return -EINVAL; 832 return -EINVAL;
829 833