[PATCH v2 05/11] staging: wilc1000: replace WILC_NULLCHECK with return

[Mike Rapoport <mike.rapoport@xxxxxxxxx>]

WILC_NULLPTR can be replaced with test for NULL pointer and return of
WILC_NULL_PTR.

Signed-off-by: Mike Rapoport <mike.rapoport@xxxxxxxxx>
---
 drivers/staging/wilc1000/host_interface.c         |  8 +++----
 drivers/staging/wilc1000/wilc_wfi_cfgoperations.c | 26 +++++++++++------------
 2 files changed, 16 insertions(+), 18 deletions(-)

diff --git a/drivers/staging/wilc1000/host_interface.c b/drivers/staging/wilc1000/host_interface.c
index cbd4b12..058e9ad 100644
--- a/drivers/staging/wilc1000/host_interface.c
+++ b/drivers/staging/wilc1000/host_interface.c
@@ -7048,7 +7048,8 @@ s32 host_int_add_station(tstrWILC_WFIDrv *hWFIDrv, tstrWILC_AddStaParam *pstrSta
 	if (pstrAddStationMsg->u8NumRates > 0) {
 		u8 *rates = kmalloc(pstrAddStationMsg->u8NumRates, GFP_KERNEL);
 
-		WILC_NULLCHECK(s32Error, rates);
+		if (!rates)
+			return WILC_NULL_PTR;
 
 		memcpy(rates, pstrStaParams->pu8Rates, pstrAddStationMsg->u8NumRates);
 		pstrAddStationMsg->pu8Rates = rates;
@@ -7059,7 +7060,6 @@ s32 host_int_add_station(tstrWILC_WFIDrv *hWFIDrv, tstrWILC_AddStaParam *pstrSta
 	if (s32Error)
 		PRINT_ER("Failed to send add station message\n");
 
-ERRORHANDLER:
 	return s32Error;
 }
 
@@ -7194,7 +7194,8 @@ s32 host_int_edit_station(tstrWILC_WFIDrv *hWFIDrv, tstrWILC_AddStaParam *pstrSt
 	if (pstrAddStationMsg->u8NumRates > 0) {
 		u8 *rates = kmalloc(pstrAddStationMsg->u8NumRates, GFP_KERNEL);
 
-		WILC_NULLCHECK(s32Error, rates);
+		if (!rates)
+			return WILC_NULL_PTR;
 		memcpy(rates, pstrStaParams->pu8Rates, pstrAddStationMsg->u8NumRates);
 		pstrAddStationMsg->pu8Rates = rates;
 	}
@@ -7203,7 +7204,6 @@ s32 host_int_edit_station(tstrWILC_WFIDrv *hWFIDrv, tstrWILC_AddStaParam *pstrSt
 	if (s32Error)
 		PRINT_ER("Failed to send edit station message\n");
 
-ERRORHANDLER:
 	return s32Error;
 }
 #endif /*WILC_AP_EXTERNAL_MLME*/
diff --git a/drivers/staging/wilc1000/wilc_wfi_cfgoperations.c b/drivers/staging/wilc1000/wilc_wfi_cfgoperations.c
index 461cf50..2677cf6 100644
--- a/drivers/staging/wilc1000/wilc_wfi_cfgoperations.c
+++ b/drivers/staging/wilc1000/wilc_wfi_cfgoperations.c
@@ -375,14 +375,14 @@ static void CfgScanResult(tenuScanEvent enuScanEvent, tstrNetworkInfo *pstrNetwo
 	struct wiphy *wiphy;
 	s32 s32Freq;
 	struct ieee80211_channel *channel;
-	s32 s32Error = WILC_SUCCESS;
 	struct cfg80211_bss *bss = NULL;
 
 	priv = (struct WILC_WFI_priv *)pUserVoid;
 	if (priv->bCfgScanning == true) {
 		if (enuScanEvent == SCAN_EVENT_NETWORK_FOUND) {
 			wiphy = priv->dev->ieee80211_ptr->wiphy;
-			WILC_NULLCHECK(s32Error, wiphy);
+			if (!wiphy)
+				return;
 			if (wiphy->signal_type == CFG80211_SIGNAL_TYPE_UNSPEC
 			    &&
 			    ((((s32)pstrNetworkInfo->s8rssi) * 100) < 0
@@ -396,7 +396,8 @@ static void CfgScanResult(tenuScanEvent enuScanEvent, tstrNetworkInfo *pstrNetwo
 				s32Freq = ieee80211_channel_to_frequency((s32)pstrNetworkInfo->u8channel, IEEE80211_BAND_2GHZ);
 				channel = ieee80211_get_channel(wiphy, s32Freq);
 
-				WILC_NULLCHECK(s32Error, channel);
+				if (!channel)
+					return;
 
 				PRINT_INFO(CFG80211_DBG, "Network Info:: CHANNEL Frequency: %d, RSSI: %d, CapabilityInfo: %d,"
 					   "BeaconPeriod: %d\n", channel->center_freq, (((s32)pstrNetworkInfo->s8rssi) * 100),
@@ -482,11 +483,6 @@ static void CfgScanResult(tenuScanEvent enuScanEvent, tstrNetworkInfo *pstrNetwo
 			up(&(priv->hSemScanReq));
 		}
 	}
-
-
-	WILC_CATCH(s32Error)
-	{
-	}
 }
 
 
@@ -3292,8 +3288,8 @@ static int stop_ap(struct wiphy *wiphy, struct net_device *dev)
 	struct WILC_WFI_priv *priv;
 	u8 NullBssid[ETH_ALEN] = {0};
 
-
-	WILC_NULLCHECK(s32Error, wiphy);
+	if (!wiphy)
+		return WILC_NULL_PTR;
 
 	priv = wiphy_priv(wiphy);
 
@@ -3329,8 +3325,8 @@ static int add_station(struct wiphy *wiphy, struct net_device *dev,
 	tstrWILC_AddStaParam strStaParams = { {0} };
 	perInterface_wlan_t *nic;
 
-
-	WILC_NULLCHECK(s32Error, wiphy);
+	if (!wiphy)
+		return WILC_NULL_PTR;
 
 	priv = wiphy_priv(wiphy);
 	nic = netdev_priv(dev);
@@ -3400,7 +3396,8 @@ static int del_station(struct wiphy *wiphy, struct net_device *dev,
 	struct WILC_WFI_priv *priv;
 	perInterface_wlan_t *nic;
 
-	WILC_NULLCHECK(s32Error, wiphy);
+	if (!wiphy)
+		return WILC_NULL_PTR;
 
 	priv = wiphy_priv(wiphy);
 	nic = netdev_priv(dev);
@@ -3446,7 +3443,8 @@ static int change_station(struct wiphy *wiphy, struct net_device *dev,
 
 	PRINT_D(HOSTAPD_DBG, "Change station paramters\n");
 
-	WILC_NULLCHECK(s32Error, wiphy);
+	if (!wiphy)
+		return WILC_NULL_PTR;
 
 	priv = wiphy_priv(wiphy);
 	nic = netdev_priv(dev);
-- 
2.1.0

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