@@ -780,8 +780,10 @@ s32 ixgbe_blink_led_start_X540(struct ixgbe_hw *hw, u32 index)
ixgbe_link_speed speed;
bool link_up;
- /*
- * Link should be up in order for the blink bit in the LED control
+ if (index > 3)
+ return IXGBE_ERR_PARAM;
+
+ /* Link should be up in order for the blink bit in the LED control
* register to work. Force link and speed in the MAC if link is down.
* This will be reversed when we stop the blinking.
*/
@@ -814,6 +816,9 @@ s32 ixgbe_blink_led_stop_X540(struct ixgbe_hw *hw, u32 index)
u32 macc_reg;
u32 ledctl_reg;
+ if (index > 3)
+ return IXGBE_ERR_PARAM;
+
/* Restore the LED to its default value. */
ledctl_reg = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
ledctl_reg &= ~IXGBE_LED_MODE_MASK(index);