staging: wilc1000: fixes comparison to NULL could be written

This patch fixes the checks reported by checkpatch.pl
for comparison to NULL could be written.

Signed-off-by: Leo Kim <leo.kim@atmel.com>
Signed-off-by: Tony Cho <tony.cho@atmel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/wilc1000/host_interface.c b/drivers/staging/wilc1000/host_interface.c
index 9ee2d86..646e7e9 100644 (file)
--- a/drivers/staging/wilc1000/host_interface.c
+++ b/drivers/staging/wilc1000/host_interface.c
@@ -470,8 +470,7 @@ static s32 Handle_SetMacAddress(struct host_if_drv *hif_drv,
        s32 result = 0;
        struct wid strWID;
        u8 *mac_buf = kmalloc(ETH_ALEN, GFP_KERNEL);
-
-       if (mac_buf == NULL) {
+       if (!mac_buf) {
                PRINT_ER("No buffer to send mac address\n");
                return -EFAULT;
        }
@@ -851,7 +850,7 @@ static s32 Handle_Scan(struct host_if_drv *hif_drv,
                valuesize += ((pstrHostIFscanAttr->hidden_network.pstrHiddenNetworkInfo[i].u8ssidlen) + 1);
        pu8HdnNtwrksWidVal = kmalloc(valuesize + 1, GFP_KERNEL);
        strWIDList[u32WidsCount].val = pu8HdnNtwrksWidVal;
-       if (strWIDList[u32WidsCount].val != NULL) {
+       if (strWIDList[u32WidsCount].val) {
                pu8Buffer = strWIDList[u32WidsCount].val;
 
                *pu8Buffer++ = pstrHostIFscanAttr->hidden_network.u8ssidnum;
@@ -887,7 +886,8 @@ static s32 Handle_Scan(struct host_if_drv *hif_drv,
        strWIDList[u32WidsCount].id = WID_SCAN_CHANNEL_LIST;
        strWIDList[u32WidsCount].type = WID_BIN_DATA;
 
-       if (pstrHostIFscanAttr->ch_freq_list != NULL && pstrHostIFscanAttr->ch_list_len > 0) {
+       if (pstrHostIFscanAttr->ch_freq_list &&
+           pstrHostIFscanAttr->ch_list_len > 0) {
                int i;
 
                for (i = 0; i < pstrHostIFscanAttr->ch_list_len; i++)   {
@@ -1000,19 +1000,19 @@ static s32 Handle_Connect(struct host_if_drv *hif_drv,
        PRINT_INFO(HOSTINF_DBG, "Saving connection parameters in global structure\n");
 
        ptstrJoinBssParam = (struct join_bss_param *)pstrHostIFconnectAttr->params;
-       if (ptstrJoinBssParam == NULL) {
+       if (!ptstrJoinBssParam) {
                PRINT_ER("Required BSSID not found\n");
                result = -ENOENT;
                goto ERRORHANDLER;
        }
 
-       if (pstrHostIFconnectAttr->bssid != NULL) {
+       if (pstrHostIFconnectAttr->bssid) {
                hif_drv->strWILC_UsrConnReq.pu8bssid = kmalloc(6, GFP_KERNEL);
                memcpy(hif_drv->strWILC_UsrConnReq.pu8bssid, pstrHostIFconnectAttr->bssid, 6);
        }
 
        hif_drv->strWILC_UsrConnReq.ssidLen = pstrHostIFconnectAttr->ssid_len;
-       if (pstrHostIFconnectAttr->ssid != NULL) {
+       if (pstrHostIFconnectAttr->ssid) {
                hif_drv->strWILC_UsrConnReq.pu8ssid = kmalloc(pstrHostIFconnectAttr->ssid_len + 1, GFP_KERNEL);
                memcpy(hif_drv->strWILC_UsrConnReq.pu8ssid,
                       pstrHostIFconnectAttr->ssid,
@@ -1021,7 +1021,7 @@ static s32 Handle_Connect(struct host_if_drv *hif_drv,
        }
 
        hif_drv->strWILC_UsrConnReq.ConnReqIEsLen = pstrHostIFconnectAttr->ies_len;
-       if (pstrHostIFconnectAttr->ies != NULL) {
+       if (pstrHostIFconnectAttr->ies) {
                hif_drv->strWILC_UsrConnReq.pu8ConnReqIEs = kmalloc(pstrHostIFconnectAttr->ies_len, GFP_KERNEL);
                memcpy(hif_drv->strWILC_UsrConnReq.pu8ConnReqIEs,
                       pstrHostIFconnectAttr->ies,
@@ -1099,15 +1099,14 @@ static s32 Handle_Connect(struct host_if_drv *hif_drv,
                join_req_size = strWIDList[u32WidsCount].size;
                join_req = kmalloc(join_req_size, GFP_KERNEL);
        }
-       if (strWIDList[u32WidsCount].val == NULL) {
+       if (!strWIDList[u32WidsCount].val) {
                result = -EFAULT;
                goto ERRORHANDLER;
        }
 
        pu8CurrByte = strWIDList[u32WidsCount].val;
 
-
-       if (pstrHostIFconnectAttr->ssid != NULL) {
+       if (pstrHostIFconnectAttr->ssid) {
                memcpy(pu8CurrByte, pstrHostIFconnectAttr->ssid, pstrHostIFconnectAttr->ssid_len);
                pu8CurrByte[pstrHostIFconnectAttr->ssid_len] = '\0';
        }
@@ -1124,7 +1123,7 @@ static s32 Handle_Connect(struct host_if_drv *hif_drv,
        *(pu8CurrByte++)  = ((ptstrJoinBssParam->cap_info) >> 8) & 0xFF;
        PRINT_D(HOSTINF_DBG, "* Cap Info %0x*\n", (*(pu8CurrByte - 2) | ((*(pu8CurrByte - 1)) << 8)));
 
-       if (pstrHostIFconnectAttr->bssid != NULL)
+       if (pstrHostIFconnectAttr->bssid)
                memcpy(pu8CurrByte, pstrHostIFconnectAttr->bssid, 6);
        pu8CurrByte += 6;
 
@@ -1202,7 +1201,7 @@ static s32 Handle_Connect(struct host_if_drv *hif_drv,
 
        PRINT_D(GENERIC_DBG, "send HOST_IF_WAITING_CONN_RESP\n");
 
-       if (pstrHostIFconnectAttr->bssid != NULL) {
+       if (pstrHostIFconnectAttr->bssid) {
                memcpy(u8ConnectedSSID, pstrHostIFconnectAttr->bssid, ETH_ALEN);
 
                PRINT_D(GENERIC_DBG, "save Bssid = %pM\n", pstrHostIFconnectAttr->bssid);
@@ -1230,11 +1229,11 @@ ERRORHANDLER:
 
                memset(&strConnectInfo, 0, sizeof(tstrConnectInfo));
 
-               if (pstrHostIFconnectAttr->result != NULL) {
-                       if (pstrHostIFconnectAttr->bssid != NULL)
+               if (pstrHostIFconnectAttr->result) {
+                       if (pstrHostIFconnectAttr->bssid)
                                memcpy(strConnectInfo.au8bssid, pstrHostIFconnectAttr->bssid, 6);
 
-                       if (pstrHostIFconnectAttr->ies != NULL) {
+                       if (pstrHostIFconnectAttr->ies) {
                                strConnectInfo.ReqIEsLen = pstrHostIFconnectAttr->ies_len;
                                strConnectInfo.pu8ReqIEs = kmalloc(pstrHostIFconnectAttr->ies_len, GFP_KERNEL);
                                memcpy(strConnectInfo.pu8ReqIEs,
@@ -1336,13 +1335,13 @@ static s32 Handle_ConnectTimeout(struct host_if_drv *hif_drv)
 
        memset(&strConnectInfo, 0, sizeof(tstrConnectInfo));
 
-       if (hif_drv->strWILC_UsrConnReq.pfUserConnectResult != NULL)    {
-               if (hif_drv->strWILC_UsrConnReq.pu8bssid != NULL) {
+       if (hif_drv->strWILC_UsrConnReq.pfUserConnectResult) {
+               if (hif_drv->strWILC_UsrConnReq.pu8bssid) {
                        memcpy(strConnectInfo.au8bssid,
                               hif_drv->strWILC_UsrConnReq.pu8bssid, 6);
                }
 
-               if (hif_drv->strWILC_UsrConnReq.pu8ConnReqIEs != NULL) {
+               if (hif_drv->strWILC_UsrConnReq.pu8ConnReqIEs) {
                        strConnectInfo.ReqIEsLen = hif_drv->strWILC_UsrConnReq.ConnReqIEsLen;
                        strConnectInfo.pu8ReqIEs = kmalloc(hif_drv->strWILC_UsrConnReq.ConnReqIEsLen, GFP_KERNEL);
                        memcpy(strConnectInfo.pu8ReqIEs,
@@ -1382,12 +1381,12 @@ static s32 Handle_ConnectTimeout(struct host_if_drv *hif_drv)
 
        eth_zero_addr(u8ConnectedSSID);
 
-       if (join_req != NULL && join_req_drv == hif_drv) {
+       if (join_req && join_req_drv == hif_drv) {
                kfree(join_req);
                join_req = NULL;
        }
 
-       if (info_element != NULL && join_req_drv == hif_drv) {
+       if (info_element && join_req_drv == hif_drv) {
                kfree(info_element);
                info_element = NULL;
        }
@@ -1410,8 +1409,8 @@ static s32 Handle_RcvdNtwrkInfo(struct host_if_drv *hif_drv,
        if (hif_drv->strWILC_UsrScanReq.pfUserScanResult) {
                PRINT_D(HOSTINF_DBG, "State: Scanning, parsing network information received\n");
                parse_network_info(pstrRcvdNetworkInfo->buffer, &pstrNetworkInfo);
-               if ((pstrNetworkInfo == NULL)
-                   || (hif_drv->strWILC_UsrScanReq.pfUserScanResult == NULL)) {
+               if ((!pstrNetworkInfo) ||
+                   (!hif_drv->strWILC_UsrScanReq.pfUserScanResult)) {
                        PRINT_ER("driver is null\n");
                        result = -EINVAL;
                        goto done;
@@ -1419,8 +1418,8 @@ static s32 Handle_RcvdNtwrkInfo(struct host_if_drv *hif_drv,
 
                for (i = 0; i < hif_drv->strWILC_UsrScanReq.u32RcvdChCount; i++) {
 
-                       if ((hif_drv->strWILC_UsrScanReq.astrFoundNetworkInfo[i].au8bssid != NULL) &&
-                           (pstrNetworkInfo->au8bssid != NULL)) {
+                       if ((hif_drv->strWILC_UsrScanReq.astrFoundNetworkInfo[i].au8bssid) &&
+                           (pstrNetworkInfo->au8bssid)) {
                                if (memcmp(hif_drv->strWILC_UsrScanReq.astrFoundNetworkInfo[i].au8bssid,
                                           pstrNetworkInfo->au8bssid, 6) == 0) {
                                        if (pstrNetworkInfo->s8rssi <= hif_drv->strWILC_UsrScanReq.astrFoundNetworkInfo[i].s8rssi) {
@@ -1441,8 +1440,8 @@ static s32 Handle_RcvdNtwrkInfo(struct host_if_drv *hif_drv,
                        if (hif_drv->strWILC_UsrScanReq.u32RcvdChCount < MAX_NUM_SCANNED_NETWORKS) {
                                hif_drv->strWILC_UsrScanReq.astrFoundNetworkInfo[hif_drv->strWILC_UsrScanReq.u32RcvdChCount].s8rssi = pstrNetworkInfo->s8rssi;
 
-                               if ((hif_drv->strWILC_UsrScanReq.astrFoundNetworkInfo[hif_drv->strWILC_UsrScanReq.u32RcvdChCount].au8bssid != NULL)
-                                   && (pstrNetworkInfo->au8bssid != NULL)) {
+                               if (hif_drv->strWILC_UsrScanReq.astrFoundNetworkInfo[hif_drv->strWILC_UsrScanReq.u32RcvdChCount].au8bssid &&
+                                   pstrNetworkInfo->au8bssid) {
                                        memcpy(hif_drv->strWILC_UsrScanReq.astrFoundNetworkInfo[hif_drv->strWILC_UsrScanReq.u32RcvdChCount].au8bssid,
                                               pstrNetworkInfo->au8bssid, 6);
 
@@ -1471,7 +1470,7 @@ done:
        kfree(pstrRcvdNetworkInfo->buffer);
        pstrRcvdNetworkInfo->buffer = NULL;
 
-       if (pstrNetworkInfo != NULL) {
+       if (pstrNetworkInfo) {
                DeallocateNetworkInfo(pstrNetworkInfo);
                pstrNetworkInfo = NULL;
        }
@@ -1505,8 +1504,8 @@ static s32 Handle_RcvdGnrlAsyncInfo(struct host_if_drv *hif_drv,
        if ((hif_drv->enuHostIFstate == HOST_IF_WAITING_CONN_RESP) ||
            (hif_drv->enuHostIFstate == HOST_IF_CONNECTED) ||
            hif_drv->strWILC_UsrScanReq.pfUserScanResult) {
-               if ((pstrRcvdGnrlAsyncInfo->buffer == NULL) ||
-                   (hif_drv->strWILC_UsrConnReq.pfUserConnectResult == NULL)) {
+               if (!pstrRcvdGnrlAsyncInfo->buffer ||
+                   !hif_drv->strWILC_UsrConnReq.pfUserConnectResult) {
                        PRINT_ER("driver is null\n");
                        return -EINVAL;
                }
@@ -1556,7 +1555,7 @@ static s32 Handle_RcvdGnrlAsyncInfo(struct host_if_drv *hif_drv,
 
                                                if (strConnectInfo.u16ConnectStatus == SUCCESSFUL_STATUSCODE) {
                                                        PRINT_INFO(HOSTINF_DBG, "Association response received : Successful connection status\n");
-                                                       if (pstrConnectRespInfo->pu8RespIEs != NULL) {
+                                                       if (pstrConnectRespInfo->pu8RespIEs) {
                                                                strConnectInfo.u16RespIEsLen = pstrConnectRespInfo->u16RespIEsLen;
 
 
@@ -1566,7 +1565,7 @@ static s32 Handle_RcvdGnrlAsyncInfo(struct host_if_drv *hif_drv,
                                                        }
                                                }
 
-                                               if (pstrConnectRespInfo != NULL) {
+                                               if (pstrConnectRespInfo) {
                                                        DeallocateAssocRespInfo(pstrConnectRespInfo);
                                                        pstrConnectRespInfo = NULL;
                                                }
@@ -1584,7 +1583,7 @@ static s32 Handle_RcvdGnrlAsyncInfo(struct host_if_drv *hif_drv,
                                eth_zero_addr(u8ConnectedSSID);
                        }
 
-                       if (hif_drv->strWILC_UsrConnReq.pu8bssid != NULL) {
+                       if (hif_drv->strWILC_UsrConnReq.pu8bssid) {
                                PRINT_D(HOSTINF_DBG, "Retrieving actual BSSID from AP\n");
                                memcpy(strConnectInfo.au8bssid, hif_drv->strWILC_UsrConnReq.pu8bssid, 6);
 
@@ -1596,7 +1595,7 @@ static s32 Handle_RcvdGnrlAsyncInfo(struct host_if_drv *hif_drv,
                        }
 
 
-                       if (hif_drv->strWILC_UsrConnReq.pu8ConnReqIEs != NULL) {
+                       if (hif_drv->strWILC_UsrConnReq.pu8ConnReqIEs) {
                                strConnectInfo.ReqIEsLen = hif_drv->strWILC_UsrConnReq.ConnReqIEsLen;
                                strConnectInfo.pu8ReqIEs = kmalloc(hif_drv->strWILC_UsrConnReq.ConnReqIEsLen, GFP_KERNEL);
                                memcpy(strConnectInfo.pu8ReqIEs,
@@ -1655,7 +1654,7 @@ static s32 Handle_RcvdGnrlAsyncInfo(struct host_if_drv *hif_drv,
                        strDisconnectNotifInfo.ie = NULL;
                        strDisconnectNotifInfo.ie_len = 0;
 
-                       if (hif_drv->strWILC_UsrConnReq.pfUserConnectResult != NULL)    {
+                       if (hif_drv->strWILC_UsrConnReq.pfUserConnectResult) {
                                g_obtainingIP = false;
                                host_int_set_power_mgmt(hif_drv, 0, 0);
 
@@ -1677,12 +1676,12 @@ static s32 Handle_RcvdGnrlAsyncInfo(struct host_if_drv *hif_drv,
                        hif_drv->strWILC_UsrConnReq.ConnReqIEsLen = 0;
                        kfree(hif_drv->strWILC_UsrConnReq.pu8ConnReqIEs);
 
-                       if (join_req != NULL && join_req_drv == hif_drv) {
+                       if (join_req && join_req_drv == hif_drv) {
                                kfree(join_req);
                                join_req = NULL;
                        }
 
-                       if (info_element != NULL && join_req_drv == hif_drv) {
+                       if (info_element && join_req_drv == hif_drv) {
                                kfree(info_element);
                                info_element = NULL;
                        }
@@ -1691,7 +1690,7 @@ static s32 Handle_RcvdGnrlAsyncInfo(struct host_if_drv *hif_drv,
                        scan_while_connected = false;
 
                } else if ((u8MacStatus == MAC_DISCONNECTED) &&
-                          (hif_drv->strWILC_UsrScanReq.pfUserScanResult != NULL)) {
+                          (hif_drv->strWILC_UsrScanReq.pfUserScanResult)) {
                        PRINT_D(HOSTINF_DBG, "Received MAC_DISCONNECTED from the FW while scanning\n");
                        PRINT_D(HOSTINF_DBG, "\n\n<< Abort the running Scan >>\n\n");
 
@@ -1771,7 +1770,7 @@ static int Handle_Key(struct host_if_drv *hif_drv,
                if (pstrHostIFkeyAttr->action & ADDKEY) {
                        PRINT_D(HOSTINF_DBG, "Handling WEP key\n");
                        pu8keybuf = kmalloc(pstrHostIFkeyAttr->attr.wep.key_len + 2, GFP_KERNEL);
-                       if (pu8keybuf == NULL) {
+                       if (!pu8keybuf) {
                                PRINT_ER("No buffer to send Key\n");
                                return -1;
                        }
@@ -1818,13 +1817,13 @@ static int Handle_Key(struct host_if_drv *hif_drv,
        case WPARxGtk:
                if (pstrHostIFkeyAttr->action & ADDKEY_AP) {
                        pu8keybuf = kzalloc(RX_MIC_KEY_MSG_LEN, GFP_KERNEL);
-                       if (pu8keybuf == NULL) {
+                       if (!pu8keybuf) {
                                PRINT_ER("No buffer to send RxGTK Key\n");
                                ret = -1;
                                goto _WPARxGtk_end_case_;
                        }
 
-                       if (pstrHostIFkeyAttr->attr.wpa.seq != NULL)
+                       if (pstrHostIFkeyAttr->attr.wpa.seq)
                                memcpy(pu8keybuf + 6, pstrHostIFkeyAttr->attr.wpa.seq, 8);
 
                        memcpy(pu8keybuf + 14, &pstrHostIFkeyAttr->attr.wpa.index, 1);
@@ -1894,10 +1893,7 @@ _WPARxGtk_end_case_:
 
 
                        pu8keybuf = kmalloc(PTK_KEY_MSG_LEN + 1, GFP_KERNEL);
-
-
-
-                       if (pu8keybuf == NULL) {
+                       if (!pu8keybuf) {
                                PRINT_ER("No buffer to send PTK Key\n");
                                ret = -1;
                                goto _WPAPtk_end_case_;
@@ -1929,10 +1925,7 @@ _WPARxGtk_end_case_:
 
 
                        pu8keybuf = kmalloc(PTK_KEY_MSG_LEN, GFP_KERNEL);
-
-
-
-                       if (pu8keybuf == NULL) {
+                       if (!pu8keybuf) {
                                PRINT_ER("No buffer to send PTK Key\n");
                                ret = -1;
                                goto _WPAPtk_end_case_;
@@ -1968,7 +1961,7 @@ _WPAPtk_end_case_:
                PRINT_D(HOSTINF_DBG, "Handling PMKSA key\n");
 
                pu8keybuf = kmalloc((pstrHostIFkeyAttr->attr.pmkid.numpmkid * PMKSA_KEY_LEN) + 1, GFP_KERNEL);
-               if (pu8keybuf == NULL) {
+               if (!pu8keybuf) {
                        PRINT_ER("No buffer to send PMKSA Key\n");
                        return -1;
                }
@@ -2041,7 +2034,7 @@ static void Handle_Disconnect(struct host_if_drv *hif_drv)
                        hif_drv->strWILC_UsrScanReq.pfUserScanResult = NULL;
                }
 
-               if (hif_drv->strWILC_UsrConnReq.pfUserConnectResult != NULL)    {
+               if (hif_drv->strWILC_UsrConnReq.pfUserConnectResult) {
                        if (hif_drv->enuHostIFstate == HOST_IF_WAITING_CONN_RESP) {
                                PRINT_D(HOSTINF_DBG, "Upper layer requested termination of connection\n");
                                del_timer(&hif_drv->hConnectTimer);
@@ -2065,12 +2058,12 @@ static void Handle_Disconnect(struct host_if_drv *hif_drv)
                hif_drv->strWILC_UsrConnReq.ConnReqIEsLen = 0;
                kfree(hif_drv->strWILC_UsrConnReq.pu8ConnReqIEs);
 
-               if (join_req != NULL && join_req_drv == hif_drv) {
+               if (join_req && join_req_drv == hif_drv) {
                        kfree(join_req);
                        join_req = NULL;
                }
 
-               if (info_element != NULL && join_req_drv == hif_drv) {
+               if (info_element && join_req_drv == hif_drv) {
                        kfree(info_element);
                        info_element = NULL;
                }
@@ -2274,7 +2267,7 @@ static void Handle_AddBeacon(struct host_if_drv *hif_drv,
        strWID.type = WID_BIN;
        strWID.size = pstrSetBeaconParam->head_len + pstrSetBeaconParam->tail_len + 16;
        strWID.val = kmalloc(strWID.size, GFP_KERNEL);
-       if (strWID.val == NULL)
+       if (!strWID.val)
                goto ERRORHANDLER;
 
        pu8CurrByte = strWID.val;
@@ -2327,7 +2320,7 @@ static void Handle_DelBeacon(struct host_if_drv *hif_drv)
        strWID.size = sizeof(char);
        strWID.val = &del_beacon;
 
-       if (strWID.val == NULL)
+       if (!strWID.val)
                return;
 
        pu8CurrByte = strWID.val;
@@ -2399,7 +2392,7 @@ static void Handle_AddStation(struct host_if_drv *hif_drv,
        strWID.size = WILC_ADD_STA_LENGTH + pstrStationParam->u8NumRates;
 
        strWID.val = kmalloc(strWID.size, GFP_KERNEL);
-       if (strWID.val == NULL)
+       if (!strWID.val)
                goto ERRORHANDLER;
 
        pu8CurrByte = strWID.val;
@@ -2432,7 +2425,7 @@ static void Handle_DelAllSta(struct host_if_drv *hif_drv,
        PRINT_D(HOSTINF_DBG, "Handling delete station\n");
 
        strWID.val = kmalloc((pstrDelAllStaParam->assoc_sta * ETH_ALEN) + 1, GFP_KERNEL);
-       if (strWID.val == NULL)
+       if (!strWID.val)
                goto ERRORHANDLER;
 
        pu8CurrByte = strWID.val;
@@ -2473,7 +2466,7 @@ static void Handle_DelStation(struct host_if_drv *hif_drv,
        PRINT_D(HOSTINF_DBG, "Handling delete station\n");
 
        strWID.val = kmalloc(strWID.size, GFP_KERNEL);
-       if (strWID.val == NULL)
+       if (!strWID.val)
                goto ERRORHANDLER;
 
        pu8CurrByte = strWID.val;
@@ -2502,7 +2495,7 @@ static void Handle_EditStation(struct host_if_drv *hif_drv,
 
        PRINT_D(HOSTINF_DBG, "Handling edit station\n");
        strWID.val = kmalloc(strWID.size, GFP_KERNEL);
-       if (strWID.val == NULL)
+       if (!strWID.val)
                goto ERRORHANDLER;
 
        pu8CurrByte = strWID.val;
@@ -2535,7 +2528,7 @@ static int Handle_RemainOnChan(struct host_if_drv *hif_drv,
                pstrHostIfRemainOnChan->u16Channel = hif_drv->strHostIfRemainOnChan.u16Channel;
        }
 
-       if (hif_drv->strWILC_UsrScanReq.pfUserScanResult != NULL) {
+       if (hif_drv->strWILC_UsrScanReq.pfUserScanResult) {
                PRINT_INFO(GENERIC_DBG, "Required to remain on chan while scanning return\n");
                hif_drv->u8RemainOnChan_pendingreq = 1;
                result = -EBUSY;
@@ -2560,8 +2553,7 @@ static int Handle_RemainOnChan(struct host_if_drv *hif_drv,
        strWID.type = WID_STR;
        strWID.size = 2;
        strWID.val = kmalloc(strWID.size, GFP_KERNEL);
-
-       if (strWID.val == NULL) {
+       if (!strWID.val) {
                result = -ENOMEM;
                goto ERRORHANDLER;
        }
@@ -2604,7 +2596,7 @@ static int Handle_RegisterFrame(struct host_if_drv *hif_drv,
        strWID.id = (u16)WID_REGISTER_FRAME;
        strWID.type = WID_STR;
        strWID.val = kmalloc(sizeof(u16) + 2, GFP_KERNEL);
-       if (strWID.val == NULL)
+       if (!strWID.val)
                return -ENOMEM;
 
        pu8CurrByte = strWID.val;
@@ -2642,7 +2634,7 @@ static u32 Handle_ListenStateExpired(struct host_if_drv *hif_drv,
                strWID.size = 2;
                strWID.val = kmalloc(strWID.size, GFP_KERNEL);
 
-               if (strWID.val == NULL)
+               if (!strWID.val)
                        PRINT_ER("Failed to allocate memory\n");
 
                strWID.val[0] = u8remain_on_chan_flag;
@@ -2725,7 +2717,7 @@ static void Handle_SetMulticastFilter(struct host_if_drv *hif_drv,
        strWID.type = WID_BIN;
        strWID.size = sizeof(struct set_multicast) + ((strHostIfSetMulti->cnt) * ETH_ALEN);
        strWID.val = kmalloc(strWID.size, GFP_KERNEL);
-       if (strWID.val == NULL)
+       if (!strWID.val)
                goto ERRORHANDLER;
 
        pu8CurrByte = strWID.val;
@@ -2881,7 +2873,8 @@ static int hostIFthread(void *pvArg)
                        continue;
                }
 
-               if (msg.id == HOST_IF_MSG_CONNECT && hif_drv->strWILC_UsrScanReq.pfUserScanResult != NULL) {
+               if (msg.id == HOST_IF_MSG_CONNECT &&
+                   hif_drv->strWILC_UsrScanReq.pfUserScanResult) {
                        PRINT_D(HOSTINF_DBG, "Requeue connect request till scan done received\n");
                        wilc_mq_send(&hif_msg_q, &msg, sizeof(struct host_if_msg));
                        usleep_range(2 * 1000, 2 * 1000);
@@ -3249,9 +3242,11 @@ s32 host_int_add_ptk(struct host_if_drv *hif_drv, const u8 *pu8Ptk,
                PRINT_ER("driver is null\n");
                return -EFAULT;
        }
-       if (pu8RxMic != NULL)
+
+       if (pu8RxMic)
                u8KeyLen += RX_MIC_KEY_LEN;
-       if (pu8TxMic != NULL)
+
+       if (pu8TxMic)
                u8KeyLen += TX_MIC_KEY_LEN;
 
        memset(&msg, 0, sizeof(struct host_if_msg));
@@ -3269,14 +3264,14 @@ s32 host_int_add_ptk(struct host_if_drv *hif_drv, const u8 *pu8Ptk,
        msg.body.key_info.attr.wpa.key = kmalloc(u8PtkKeylen, GFP_KERNEL);
        memcpy(msg.body.key_info.attr.wpa.key, pu8Ptk, u8PtkKeylen);
 
-       if (pu8RxMic != NULL) {
+       if (pu8RxMic) {
                memcpy(msg.body.key_info.attr.wpa.key + 16, pu8RxMic, RX_MIC_KEY_LEN);
                if (INFO) {
                        for (i = 0; i < RX_MIC_KEY_LEN; i++)
                                PRINT_INFO(CFG80211_DBG, "PairwiseRx[%d] = %x\n", i, pu8RxMic[i]);
                }
        }
-       if (pu8TxMic != NULL) {
+       if (pu8TxMic) {
                memcpy(msg.body.key_info.attr.wpa.key + 24, pu8TxMic, TX_MIC_KEY_LEN);
                if (INFO) {
                        for (i = 0; i < TX_MIC_KEY_LEN; i++)
@@ -3315,12 +3310,13 @@ s32 host_int_add_rx_gtk(struct host_if_drv *hif_drv, const u8 *pu8RxGtk,
        }
        memset(&msg, 0, sizeof(struct host_if_msg));
 
-
-       if (pu8RxMic != NULL)
+       if (pu8RxMic)
                u8KeyLen += RX_MIC_KEY_LEN;
-       if (pu8TxMic != NULL)
+
+       if (pu8TxMic)
                u8KeyLen += TX_MIC_KEY_LEN;
-       if (KeyRSC != NULL) {
+
+       if (KeyRSC) {
                msg.body.key_info.attr.wpa.seq = kmalloc(u32KeyRSClen, GFP_KERNEL);
                memcpy(msg.body.key_info.attr.wpa.seq, KeyRSC, u32KeyRSClen);
        }
@@ -3340,10 +3336,11 @@ s32 host_int_add_rx_gtk(struct host_if_drv *hif_drv, const u8 *pu8RxGtk,
        msg.body.key_info.attr.wpa.key = kmalloc(u8KeyLen, GFP_KERNEL);
        memcpy(msg.body.key_info.attr.wpa.key, pu8RxGtk, u8GtkKeylen);
 
-       if (pu8RxMic != NULL) {
+       if (pu8RxMic) {
                memcpy(msg.body.key_info.attr.wpa.key + 16, pu8RxMic, RX_MIC_KEY_LEN);
        }
-       if (pu8TxMic != NULL) {
+
+       if (pu8TxMic) {
                memcpy(msg.body.key_info.attr.wpa.key + 24, pu8TxMic, TX_MIC_KEY_LEN);
        }
 
@@ -3510,12 +3507,12 @@ s32 host_int_set_join_req(struct host_if_drv *hif_drv, u8 *pu8bssid,
        s32 result = 0;
        struct host_if_msg msg;
 
-       if (!hif_drv || pfConnectResult == NULL) {
+       if (!hif_drv || !pfConnectResult) {
                PRINT_ER("Driver is null\n");
                return -EFAULT;
        }
 
-       if (pJoinParams == NULL) {
+       if (!pJoinParams) {
                PRINT_ER("Unable to Join - JoinParams is NULL\n");
                return -EFAULT;
        }
@@ -3532,18 +3529,18 @@ s32 host_int_set_join_req(struct host_if_drv *hif_drv, u8 *pu8bssid,
        msg.body.con_info.params = pJoinParams;
        msg.drv = hif_drv ;
 
-       if (pu8bssid != NULL) {
+       if (pu8bssid) {
                msg.body.con_info.bssid = kmalloc(6, GFP_KERNEL);
                memcpy(msg.body.con_info.bssid, pu8bssid, 6);
        }
 
-       if (pu8ssid != NULL) {
+       if (pu8ssid) {
                msg.body.con_info.ssid_len = ssidLen;
                msg.body.con_info.ssid = kmalloc(ssidLen, GFP_KERNEL);
                memcpy(msg.body.con_info.ssid, pu8ssid, ssidLen);
        }
 
-       if (pu8IEs != NULL) {
+       if (pu8IEs) {
                msg.body.con_info.ies_len = IEsLen;
                msg.body.con_info.ies = kmalloc(IEsLen, GFP_KERNEL);
                memcpy(msg.body.con_info.ies, pu8IEs, IEsLen);
@@ -3865,8 +3862,7 @@ s32 host_int_get_rssi(struct host_if_drv *hif_drv, s8 *ps8Rssi)
 
        down(&hif_drv->hSemGetRSSI);
 
-
-       if (ps8Rssi == NULL) {
+       if (!ps8Rssi) {
                PRINT_ER("RSS pointer value is null");
                return -EFAULT;
        }
@@ -3893,8 +3889,7 @@ s32 host_int_get_link_speed(struct host_if_drv *hif_drv, s8 *ps8lnkspd)
 
        down(&hif_drv->hSemGetLINKSPEED);
 
-
-       if (ps8lnkspd == NULL) {
+       if (!ps8lnkspd) {
                PRINT_ER("LINKSPEED pointer value is null");
                return -EFAULT;
        }
@@ -3933,7 +3928,7 @@ s32 host_int_scan(struct host_if_drv *hif_drv, u8 u8ScanSource,
        s32 result = 0;
        struct host_if_msg msg;
 
-       if (!hif_drv || ScanResult == NULL) {
+       if (!hif_drv || !ScanResult) {
                PRINT_ER("hif_drv or ScanResult = NULL\n");
                return -EFAULT;
        }
@@ -3942,7 +3937,7 @@ s32 host_int_scan(struct host_if_drv *hif_drv, u8 u8ScanSource,
 
        msg.id = HOST_IF_MSG_SCAN;
 
-       if (pstrHiddenNetwork != NULL) {
+       if (pstrHiddenNetwork) {
                msg.body.scan_info.hidden_network.pstrHiddenNetworkInfo = pstrHiddenNetwork->pstrHiddenNetworkInfo;
                msg.body.scan_info.hidden_network.u8ssidnum = pstrHiddenNetwork->u8ssidnum;
 
@@ -4535,7 +4530,7 @@ s32 host_int_add_beacon(struct host_if_drv *hif_drv, u32 u32Interval,
        pstrSetBeaconParam->dtim_period = u32DTIMPeriod;
        pstrSetBeaconParam->head_len = u32HeadLen;
        pstrSetBeaconParam->head = kmemdup(pu8Head, u32HeadLen, GFP_KERNEL);
-       if (pstrSetBeaconParam->head == NULL) {
+       if (!pstrSetBeaconParam->head) {
                result = -ENOMEM;
                goto ERRORHANDLER;
        }
@@ -4544,7 +4539,7 @@ s32 host_int_add_beacon(struct host_if_drv *hif_drv, u32 u32Interval,
        if (u32TailLen > 0) {
                pstrSetBeaconParam->tail = kmemdup(pu8Tail, u32TailLen,
                                                   GFP_KERNEL);
-               if (pstrSetBeaconParam->tail == NULL) {
+               if (!pstrSetBeaconParam->tail) {
                        result = -ENOMEM;
                        goto ERRORHANDLER;
                }
@@ -4611,7 +4606,6 @@ s32 host_int_add_station(struct host_if_drv *hif_drv,
        memcpy(pstrAddStationMsg, pstrStaParams, sizeof(struct add_sta_param));
        if (pstrAddStationMsg->u8NumRates > 0) {
                u8 *rates = kmalloc(pstrAddStationMsg->u8NumRates, GFP_KERNEL);
-
                if (!rates)
                        return -ENOMEM;
 
@@ -4643,7 +4637,7 @@ s32 host_int_del_station(struct host_if_drv *hif_drv, const u8 *pu8MacAddr)
        msg.id = HOST_IF_MSG_DEL_STATION;
        msg.drv = hif_drv;
 
-       if (pu8MacAddr == NULL)
+       if (!pu8MacAddr)
                memset(pstrDelStationMsg->mac_addr, 255, ETH_ALEN);
        else
                memcpy(pstrDelStationMsg->mac_addr, pu8MacAddr, ETH_ALEN);
@@ -4728,7 +4722,6 @@ s32 host_int_edit_station(struct host_if_drv *hif_drv,
        memcpy(pstrAddStationMsg, pstrStaParams, sizeof(struct add_sta_param));
        if (pstrAddStationMsg->u8NumRates > 0) {
                u8 *rates = kmalloc(pstrAddStationMsg->u8NumRates, GFP_KERNEL);
-
                if (!rates)
                        return -ENOMEM;
 
@@ -4823,7 +4816,7 @@ static void *host_int_ParseJoinBssParam(tstrNetworkInfo *ptstrNetworkInfo)
        u16IEsLen = ptstrNetworkInfo->u16IEsLen;
 
        pNewJoinBssParam = kzalloc(sizeof(struct join_bss_param), GFP_KERNEL);
-       if (pNewJoinBssParam != NULL) {
+       if (pNewJoinBssParam) {
                pNewJoinBssParam->dtim_period = ptstrNetworkInfo->u8DtimPeriod;
                pNewJoinBssParam->beacon_period = ptstrNetworkInfo->u16BeaconPeriod;
                pNewJoinBssParam->cap_info = ptstrNetworkInfo->u16CapInfo;
@@ -4967,7 +4960,7 @@ static void *host_int_ParseJoinBssParam(tstrNetworkInfo *ptstrNetworkInfo)
 
 void host_int_freeJoinParams(void *pJoinParams)
 {
-       if ((struct bss_param *)pJoinParams != NULL)
+       if ((struct bss_param *)pJoinParams)
                kfree((struct bss_param *)pJoinParams);
        else
                PRINT_ER("Unable to FREE null pointer\n");