staging: et131x: Remove unnecessary i2c_wack variable

i2c_wack is only used to implement a while(1) loop, so let's remove it.
Signed-off-by: Mark Einon <mark.einon@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/et131x/et131x.c

@@ -573,7 +573,6 @@ static int eeprom_write(struct et131x_adapter *adapter, u32 addr, u8 data)
 	int index = 0;
 	int retries;
 	int err = 0;
-	int i2c_wack = 0;
 	int writeok = 0;
 	u32 status;
 	u32 val = 0;
@@ -599,8 +598,6 @@ static int eeprom_write(struct et131x_adapter *adapter, u32 addr, u8 data)
 			LBCIF_CONTROL_LBCIF_ENABLE | LBCIF_CONTROL_I2C_WRITE))
 		return -EIO;
 
-	i2c_wack = 1;
-
 	/* Prepare EEPROM address for Step 3 */
 
 	for (retries = 0; retries < MAX_NUM_WRITE_RETRIES; retries++) {
@@ -656,7 +653,7 @@ static int eeprom_write(struct et131x_adapter *adapter, u32 addr, u8 data)
 	 */
 	udelay(10);
 
-	while (i2c_wack) {
+	while (1) {
 		if (pci_write_config_byte(pdev, LBCIF_CONTROL_REGISTER,
 			LBCIF_CONTROL_LBCIF_ENABLE))
 			writeok = 0;