ixgbe: Use a signed type to hold error codes

Because error codes are negative, it only makes sense to
consistently use signed types when handling them. Also remove
some explicit comparisons with 0 on these variables.

Signed-off-by: Mark Rustad <mark.d.rustad@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c
index eafa9ec..9f6fb19 100644 (file)
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c
@@ -3053,7 +3053,7 @@ static int ixgbe_get_module_info(struct net_device *dev,
 {
        struct ixgbe_adapter *adapter = netdev_priv(dev);
        struct ixgbe_hw *hw = &adapter->hw;
-       u32 status;
+       s32 status;
        u8 sff8472_rev, addr_mode;
        bool page_swap = false;
 
@@ -3061,14 +3061,14 @@ static int ixgbe_get_module_info(struct net_device *dev,
        status = hw->phy.ops.read_i2c_eeprom(hw,
                                             IXGBE_SFF_SFF_8472_COMP,
                                             &sff8472_rev);
-       if (status != 0)
+       if (status)
                return -EIO;
 
        /* addressing mode is not supported */
        status = hw->phy.ops.read_i2c_eeprom(hw,
                                             IXGBE_SFF_SFF_8472_SWAP,
                                             &addr_mode);
-       if (status != 0)
+       if (status)
                return -EIO;
 
        if (addr_mode & IXGBE_SFF_ADDRESSING_MODE) {
@@ -3095,7 +3095,7 @@ static int ixgbe_get_module_eeprom(struct net_device *dev,
 {
        struct ixgbe_adapter *adapter = netdev_priv(dev);
        struct ixgbe_hw *hw = &adapter->hw;
-       u32 status = IXGBE_ERR_PHY_ADDR_INVALID;
+       s32 status = IXGBE_ERR_PHY_ADDR_INVALID;
        u8 databyte = 0xFF;
        int i = 0;
 
@@ -3112,7 +3112,7 @@ static int ixgbe_get_module_eeprom(struct net_device *dev,
                else
                        status = hw->phy.ops.read_i2c_sff8472(hw, i, &databyte);
 
-               if (status != 0)
+               if (status)
                        return -EIO;
 
                data[i - ee->offset] = databyte;

diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index 5be12a0..23d82b3 100644 (file)
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -4757,7 +4757,7 @@ static int ixgbe_non_sfp_link_config(struct ixgbe_hw *hw)
 {
        u32 speed;
        bool autoneg, link_up = false;
-       u32 ret = IXGBE_ERR_LINK_SETUP;
+       int ret = IXGBE_ERR_LINK_SETUP;
 
        if (hw->mac.ops.check_link)
                ret = hw->mac.ops.check_link(hw, &speed, &link_up, false);
@@ -8022,7 +8022,7 @@ static int ixgbe_ndo_bridge_setlink(struct net_device *dev,
                return -EINVAL;
 
        nla_for_each_nested(attr, br_spec, rem) {
-               u32 status;
+               int status;
                __u16 mode;
 
                if (nla_type(attr) != IFLA_BRIDGE_MODE)

diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c
index 8a2be44..af828f8 100644 (file)
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c
@@ -317,14 +317,14 @@ bool ixgbe_check_reset_blocked(struct ixgbe_hw *hw)
  **/
 static s32 ixgbe_get_phy_id(struct ixgbe_hw *hw)
 {
-       u32 status;
+       s32 status;
        u16 phy_id_high = 0;
        u16 phy_id_low = 0;
 
        status = hw->phy.ops.read_reg(hw, MDIO_DEVID1, MDIO_MMD_PMAPMD,
                                      &phy_id_high);
 
-       if (status == 0) {
+       if (!status) {
                hw->phy.id = (u32)(phy_id_high << 16);
                status = hw->phy.ops.read_reg(hw, MDIO_DEVID2, MDIO_MMD_PMAPMD,
                                              &phy_id_low);

diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c
index 58ab7d9..b023698 100644 (file)
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c
@@ -1063,7 +1063,7 @@ static s32 ixgbe_setup_kr_x550em(struct ixgbe_hw *hw)
  **/
 static s32 ixgbe_setup_internal_phy_x550em(struct ixgbe_hw *hw)
 {
-       u32 status;
+       s32 status;
        u16 lasi, autoneg_status, speed;
        ixgbe_link_speed force_speed;
 
@@ -1205,7 +1205,7 @@ static enum ixgbe_media_type ixgbe_get_media_type_X550em(struct ixgbe_hw *hw)
  **/
 static s32 ixgbe_init_ext_t_x550em(struct ixgbe_hw *hw)
 {
-       u32 status;
+       s32 status;
        u16 reg;
        u32 retries = 2;