ixgbe: cleanup error checking in ixgbe_identify_sfp_module_generic()

This patch replaces instances where a return code from i2c operations
were checked against a list of error codes with a much simpler
if ( status != 0 ) check.

Some whitespace cleanups included.

Signed-off-by: Emil Tantilov <emil.s.tantilov@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_phy.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c
index d7b5bd0..060d2ad 100644 (file)
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c
@@ -852,11 +852,9 @@ s32 ixgbe_identify_sfp_module_generic(struct ixgbe_hw *hw)
 
        status = hw->phy.ops.read_i2c_eeprom(hw,
                                             IXGBE_SFF_IDENTIFIER,
-                                            &identifier);
+                                            &identifier);
 
-       if (status == IXGBE_ERR_SWFW_SYNC ||
-           status == IXGBE_ERR_I2C ||
-           status == IXGBE_ERR_SFP_NOT_PRESENT)
+       if (status != 0)
                goto err_read_i2c_eeprom;
 
        /* LAN ID is needed for sfp_type determination */
@@ -870,26 +868,20 @@ s32 ixgbe_identify_sfp_module_generic(struct ixgbe_hw *hw)
                                                     IXGBE_SFF_1GBE_COMP_CODES,
                                                     &comp_codes_1g);
 
-               if (status == IXGBE_ERR_SWFW_SYNC ||
-                   status == IXGBE_ERR_I2C ||
-                   status == IXGBE_ERR_SFP_NOT_PRESENT)
+               if (status != 0)
                        goto err_read_i2c_eeprom;
 
                status = hw->phy.ops.read_i2c_eeprom(hw,
                                                     IXGBE_SFF_10GBE_COMP_CODES,
                                                     &comp_codes_10g);
 
-               if (status == IXGBE_ERR_SWFW_SYNC ||
-                   status == IXGBE_ERR_I2C ||
-                   status == IXGBE_ERR_SFP_NOT_PRESENT)
+               if (status != 0)
                        goto err_read_i2c_eeprom;
                status = hw->phy.ops.read_i2c_eeprom(hw,
                                                     IXGBE_SFF_CABLE_TECHNOLOGY,
                                                     &cable_tech);
 
-               if (status == IXGBE_ERR_SWFW_SYNC ||
-                   status == IXGBE_ERR_I2C ||
-                   status == IXGBE_ERR_SFP_NOT_PRESENT)
+               if (status != 0)
                        goto err_read_i2c_eeprom;
 
                 /* ID Module
@@ -984,30 +976,24 @@ s32 ixgbe_identify_sfp_module_generic(struct ixgbe_hw *hw)
                if (hw->phy.type != ixgbe_phy_nl) {
                        hw->phy.id = identifier;
                        status = hw->phy.ops.read_i2c_eeprom(hw,
-                                                   IXGBE_SFF_VENDOR_OUI_BYTE0,
-                                                   &oui_bytes[0]);
+                                                   IXGBE_SFF_VENDOR_OUI_BYTE0,
+                                                   &oui_bytes[0]);
 
-                       if (status == IXGBE_ERR_SWFW_SYNC ||
-                           status == IXGBE_ERR_I2C ||
-                           status == IXGBE_ERR_SFP_NOT_PRESENT)
+                       if (status != 0)
                                goto err_read_i2c_eeprom;
 
                        status = hw->phy.ops.read_i2c_eeprom(hw,
                                                    IXGBE_SFF_VENDOR_OUI_BYTE1,
                                                    &oui_bytes[1]);
 
-                       if (status == IXGBE_ERR_SWFW_SYNC ||
-                           status == IXGBE_ERR_I2C ||
-                           status == IXGBE_ERR_SFP_NOT_PRESENT)
+                       if (status != 0)
                                goto err_read_i2c_eeprom;
 
                        status = hw->phy.ops.read_i2c_eeprom(hw,
                                                    IXGBE_SFF_VENDOR_OUI_BYTE2,
                                                    &oui_bytes[2]);
 
-                       if (status == IXGBE_ERR_SWFW_SYNC ||
-                           status == IXGBE_ERR_I2C ||
-                           status == IXGBE_ERR_SFP_NOT_PRESENT)
+                       if (status != 0)
                                goto err_read_i2c_eeprom;
 
                        vendor_oui =