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Staging: w35und: replace switch error handling with gotos in wb35_hw_init() 

Impact: cleanup

This patch replaces the switch-based error handling in wb35_hw_init()
with regular gotos.

Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Pekka Enberg 2009-04-08 11:13:56 +03:00 committed by Greg Kroah-Hartman
parent 6ab3212720
commit 2659851122
1 changed files with 10 additions and 26 deletions
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36
drivers/staging/winbond/wbusb.c
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@ -178,15 +178,15 @@ static const struct ieee80211_ops wbsoft_ops = {
// conf_tx: hal_set_cwmin()/hal_set_cwmax; // conf_tx: hal_set_cwmin()/hal_set_cwmax;
}; };
static unsigned char wb35_hw_init(struct ieee80211_hw *hw) static int wb35_hw_init(struct ieee80211_hw *hw)
{ {
struct wbsoft_priv *priv = hw->priv; struct wbsoft_priv *priv = hw->priv;
struct hw_data * pHwData; struct hw_data * pHwData;
u8 *pMacAddr; u8 *pMacAddr;
u8 *pMacAddr2; u8 *pMacAddr2;
u32 InitStep = 0;
u8 EEPROM_region; u8 EEPROM_region;
u8 HwRadioOff; u8 HwRadioOff;
int err;
// //
// Setting default value for Linux // Setting default value for Linux
@ -209,10 +209,11 @@ static unsigned char wb35_hw_init(struct ieee80211_hw *hw)
priv->sLocalPara.WepKeyDetectTimerCount= 2 * 100; /// 2 seconds priv->sLocalPara.WepKeyDetectTimerCount= 2 * 100; /// 2 seconds
// Initial USB hal // Initial USB hal
InitStep = 1;
pHwData = &priv->sHwData; pHwData = &priv->sHwData;
if (!hal_init_hardware(hw)) if (!hal_init_hardware(hw)) {
err = -EINVAL;
goto error; goto error;
}
EEPROM_region = hal_get_region_from_EEPROM( pHwData ); EEPROM_region = hal_get_region_from_EEPROM( pHwData );
if (EEPROM_region != REGION_AUTO) if (EEPROM_region != REGION_AUTO)
@ -229,21 +230,12 @@ static unsigned char wb35_hw_init(struct ieee80211_hw *hw)
if (hal_software_set(pHwData) & 0x00000001) if (hal_software_set(pHwData) & 0x00000001)
priv->sLocalPara.boAntennaDiversity = true; priv->sLocalPara.boAntennaDiversity = true;
//
// For TS module
//
InitStep = 2;
// For MDS module // For MDS module
InitStep = 3;
Mds_initial(priv); Mds_initial(priv);
//======================================= //=======================================
// Initialize the SME, SCAN, MLME, ROAM // Initialize the SME, SCAN, MLME, ROAM
//======================================= //=======================================
InitStep = 4;
InitStep = 5;
InitStep = 6;
// If no user-defined address in the registry, use the addresss "burned" on the NIC instead. // If no user-defined address in the registry, use the addresss "burned" on the NIC instead.
pMacAddr = priv->sLocalPara.ThisMacAddress; pMacAddr = priv->sLocalPara.ThisMacAddress;
@ -277,19 +269,12 @@ static unsigned char wb35_hw_init(struct ieee80211_hw *hw)
hal_driver_init_OK(pHwData) = 1; // Notify hal that the driver is ready now. hal_driver_init_OK(pHwData) = 1; // Notify hal that the driver is ready now.
//set a tx power for reference..... //set a tx power for reference.....
// sme_set_tx_power_level(priv, 12); FIXME? // sme_set_tx_power_level(priv, 12); FIXME?
return true; return 0;
error: error:
switch (InitStep) { hal_halt(pHwData, NULL);
case 5:
case 4:
case 3: Mds_Destroy( priv );
case 2:
case 1: hal_halt( pHwData, NULL );
case 0: break;
}
return false; return err;
} }
static int wb35_probe(struct usb_interface *intf, const struct usb_device_id *id_table) static int wb35_probe(struct usb_interface *intf, const struct usb_device_id *id_table)
@ -341,10 +326,9 @@ static int wb35_probe(struct usb_interface *intf, const struct usb_device_id *id
pWbUsb->IsUsb20 = 1; pWbUsb->IsUsb20 = 1;
} }
if (!wb35_hw_init(dev)) { err = wb35_hw_init(dev);
err = -EINVAL; if (err)
goto error_free_hw; goto error_free_hw;
}
SET_IEEE80211_DEV(dev, &udev->dev); SET_IEEE80211_DEV(dev, &udev->dev);
{ {