net/e1000/base: fall through explicitly

Found some inconsistent code comments when it came to when we "fall
through", so made them more consistent and non-repetitive.

This patch adds/changes fall through comments to address new warnings
produced by gcc 7.

Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Todd Fujinaka <todd.fujinaka@intel.com>
Signed-off-by: Guinan Sun <guinanx.sun@intel.com>
Reviewed-by: Wei Zhao <wei.zhao1@intel.com>

diff --git a/drivers/net/e1000/base/e1000_82575.c b/drivers/net/e1000/base/e1000_82575.c
index 8db2872..7c56225 100644 (file)
--- a/drivers/net/e1000/base/e1000_82575.c
+++ b/drivers/net/e1000/base/e1000_82575.c
@@ -1560,14 +1560,21 @@ STATIC s32 e1000_setup_copper_link_82575(struct e1000_hw *hw)
        }
        switch (hw->phy.type) {
        case e1000_phy_i210:
+       /* Fall through */
        case e1000_phy_m88:
                switch (hw->phy.id) {
                case I347AT4_E_PHY_ID:
+               /* Fall through */
                case M88E1112_E_PHY_ID:
+               /* Fall through */
                case M88E1340M_E_PHY_ID:
+               /* Fall through */
                case M88E1543_E_PHY_ID:
+               /* Fall through */
                case M88E1512_E_PHY_ID:
+               /* Fall through */
                case I210_I_PHY_ID:
+               /* Fall through */
                        ret_val = e1000_copper_link_setup_m88_gen2(hw);
                        break;
                default:
@@ -1653,7 +1660,7 @@ STATIC s32 e1000_setup_serdes_link_82575(struct e1000_hw *hw)
        case E1000_CTRL_EXT_LINK_MODE_1000BASE_KX:
                /* disable PCS autoneg and support parallel detect only */
                pcs_autoneg = false;
-               /* fall through to default case */
+               /* Fall through */
        default:
                if (hw->mac.type == e1000_82575 ||
                    hw->mac.type == e1000_82576) {
@@ -1779,7 +1786,7 @@ STATIC s32 e1000_get_media_type_82575(struct e1000_hw *hw)
                        dev_spec->sgmii_active = true;
                        break;
                }
-               /* fall through for I2C based SGMII */
+               /* Fall through for I2C based SGMII */
        case E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES:
                /* read media type from SFP EEPROM */
                ret_val = e1000_set_sfp_media_type_82575(hw);

diff --git a/drivers/net/e1000/base/e1000_mbx.c b/drivers/net/e1000/base/e1000_mbx.c
index 6fae676..4cac364 100644 (file)
--- a/drivers/net/e1000/base/e1000_mbx.c
+++ b/drivers/net/e1000/base/e1000_mbx.c
@@ -755,6 +755,7 @@ s32 e1000_init_mbx_params_pf(struct e1000_hw *hw)
                mbx->stats.reqs = 0;
                mbx->stats.acks = 0;
                mbx->stats.rsts = 0;
+               /* Fall through */
        default:
                return E1000_SUCCESS;
        }

diff --git a/drivers/net/e1000/base/e1000_phy.c b/drivers/net/e1000/base/e1000_phy.c
index e8d9221..be47867 100644 (file)
--- a/drivers/net/e1000/base/e1000_phy.c
+++ b/drivers/net/e1000/base/e1000_phy.c
@@ -1274,6 +1274,7 @@ s32 e1000_copper_link_setup_m88_gen2(struct e1000_hw *hw)
                        phy_data |= M88E1000_PSCR_AUTO_X_1000T;
                        break;
                }
+               /* Fall through */
        case 0:
        default:
                phy_data |= M88E1000_PSCR_AUTO_X_MODE;

diff --git a/drivers/net/e1000/base/e1000_vf.c b/drivers/net/e1000/base/e1000_vf.c
index 543fa77..dc109d5 100644 (file)
--- a/drivers/net/e1000/base/e1000_vf.c
+++ b/drivers/net/e1000/base/e1000_vf.c
@@ -462,8 +462,10 @@ s32 e1000_promisc_set_vf(struct e1000_hw *hw, enum e1000_promisc_type type)
                break;
        case e1000_promisc_enabled:
                msgbuf |= E1000_VF_SET_PROMISC_MULTICAST;
+               /* fall-through */
        case e1000_promisc_unicast:
                msgbuf |= E1000_VF_SET_PROMISC_UNICAST;
+               /* fall-through */
        case e1000_promisc_disabled:
                break;
        default: