From patchwork Thu Oct 15 04:25:21 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tony Cho X-Patchwork-Id: 7401471 X-Patchwork-Delegate: kvalo@adurom.com Return-Path: X-Original-To: patchwork-linux-wireless@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 911FFBEEA4 for ; Thu, 15 Oct 2015 04:30:04 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 811472052C for ; Thu, 15 Oct 2015 04:30:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 28BB420503 for ; Thu, 15 Oct 2015 04:30:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932253AbbJOE36 (ORCPT ); Thu, 15 Oct 2015 00:29:58 -0400 Received: from eusmtp01.atmel.com ([212.144.249.242]:6609 "EHLO eusmtp01.atmel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932097AbbJOE35 (ORCPT ); Thu, 15 Oct 2015 00:29:57 -0400 Received: from tony-itx.corp.atmel.com (10.161.101.13) by eusmtp01.atmel.com (10.161.101.30) with Microsoft SMTP Server id 14.3.235.1; Thu, 15 Oct 2015 06:29:51 +0200 From: Tony Cho To: CC: , , , , , , , , , , , Subject: [PATCH 40/40] staging: wilc1000: fixes comparison to NULL could be written Date: Thu, 15 Oct 2015 13:25:21 +0900 Message-ID: <1444883121-31757-40-git-send-email-tony.cho@atmel.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1444883121-31757-1-git-send-email-tony.cho@atmel.com> References: <1444883121-31757-1-git-send-email-tony.cho@atmel.com> MIME-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Leo Kim This patch fixes the checks reported by checkpatch.pl for comparison to NULL could be written. Signed-off-by: Leo Kim Signed-off-by: Tony Cho --- drivers/staging/wilc1000/host_interface.c | 222 ++++++++++++++++-------------- 1 file changed, 115 insertions(+), 107 deletions(-) diff --git a/drivers/staging/wilc1000/host_interface.c b/drivers/staging/wilc1000/host_interface.c index 4fdbe9a..829503f 100644 --- a/drivers/staging/wilc1000/host_interface.c +++ b/drivers/staging/wilc1000/host_interface.c @@ -477,7 +477,7 @@ static s32 Handle_SetMacAddress(struct host_if_drv *hif_drv, 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; } @@ -857,7 +857,7 @@ 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; @@ -893,7 +893,8 @@ 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++) { @@ -931,21 +932,22 @@ ERRORHANDLER: Handle_ScanDone(hif_drv, SCAN_EVENT_ABORTED); } - if (pstrHostIFscanAttr->ch_freq_list != NULL) { + if (pstrHostIFscanAttr->ch_freq_list) { kfree(pstrHostIFscanAttr->ch_freq_list); pstrHostIFscanAttr->ch_freq_list = NULL; } - if (pstrHostIFscanAttr->ies != NULL) { + if (pstrHostIFscanAttr->ies) { kfree(pstrHostIFscanAttr->ies); pstrHostIFscanAttr->ies = NULL; } - if (pstrHostIFscanAttr->hidden_network.pstrHiddenNetworkInfo != NULL) { + + if (pstrHostIFscanAttr->hidden_network.pstrHiddenNetworkInfo) { kfree(pstrHostIFscanAttr->hidden_network.pstrHiddenNetworkInfo); pstrHostIFscanAttr->hidden_network.pstrHiddenNetworkInfo = NULL; } - if (pu8HdnNtwrksWidVal != NULL) + if (pu8HdnNtwrksWidVal) kfree(pu8HdnNtwrksWidVal); return result; @@ -1013,19 +1015,19 @@ 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, @@ -1034,7 +1036,7 @@ 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, @@ -1112,15 +1114,14 @@ 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'; } @@ -1213,7 +1214,7 @@ 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); @@ -1241,11 +1242,11 @@ 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, @@ -1259,7 +1260,7 @@ ERRORHANDLER: NULL, pstrHostIFconnectAttr->arg); hif_drv->enuHostIFstate = HOST_IF_IDLE; - if (strConnectInfo.pu8ReqIEs != NULL) { + if (strConnectInfo.pu8ReqIEs) { kfree(strConnectInfo.pu8ReqIEs); strConnectInfo.pu8ReqIEs = NULL; } @@ -1270,22 +1271,22 @@ ERRORHANDLER: } PRINT_D(HOSTINF_DBG, "Deallocating connection parameters\n"); - if (pstrHostIFconnectAttr->bssid != NULL) { + if (pstrHostIFconnectAttr->bssid) { kfree(pstrHostIFconnectAttr->bssid); pstrHostIFconnectAttr->bssid = NULL; } - if (pstrHostIFconnectAttr->ssid != NULL) { + if (pstrHostIFconnectAttr->ssid) { kfree(pstrHostIFconnectAttr->ssid); pstrHostIFconnectAttr->ssid = NULL; } - if (pstrHostIFconnectAttr->ies != NULL) { + if (pstrHostIFconnectAttr->ies) { kfree(pstrHostIFconnectAttr->ies); pstrHostIFconnectAttr->ies = NULL; } - if (pu8CurrByte != NULL) + if (pu8CurrByte) kfree(pu8CurrByte); return result; @@ -1357,13 +1358,13 @@ 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, @@ -1377,7 +1378,7 @@ static s32 Handle_ConnectTimeout(struct host_if_drv *hif_drv) NULL, hif_drv->strWILC_UsrConnReq.u32UserConnectPvoid); - if (strConnectInfo.pu8ReqIEs != NULL) { + if (strConnectInfo.pu8ReqIEs) { kfree(strConnectInfo.pu8ReqIEs); strConnectInfo.pu8ReqIEs = NULL; } @@ -1405,12 +1406,12 @@ 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; } @@ -1433,8 +1434,8 @@ 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; @@ -1442,8 +1443,8 @@ 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) { @@ -1464,8 +1465,8 @@ 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); @@ -1491,12 +1492,12 @@ static s32 Handle_RcvdNtwrkInfo(struct host_if_drv *hif_drv, } done: - if (pstrRcvdNetworkInfo->buffer != NULL) { + if (pstrRcvdNetworkInfo->buffer) { kfree(pstrRcvdNetworkInfo->buffer); pstrRcvdNetworkInfo->buffer = NULL; } - if (pstrNetworkInfo != NULL) { + if (pstrNetworkInfo) { DeallocateNetworkInfo(pstrNetworkInfo); pstrNetworkInfo = NULL; } @@ -1530,8 +1531,8 @@ 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; } @@ -1581,7 +1582,7 @@ 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; @@ -1591,7 +1592,7 @@ static s32 Handle_RcvdGnrlAsyncInfo(struct host_if_drv *hif_drv, } } - if (pstrConnectRespInfo != NULL) { + if (pstrConnectRespInfo) { DeallocateAssocRespInfo(pstrConnectRespInfo); pstrConnectRespInfo = NULL; } @@ -1609,7 +1610,7 @@ 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); @@ -1621,7 +1622,7 @@ 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, @@ -1654,12 +1655,12 @@ static s32 Handle_RcvdGnrlAsyncInfo(struct host_if_drv *hif_drv, scan_while_connected = false; } - if (strConnectInfo.pu8RespIEs != NULL) { + if (strConnectInfo.pu8RespIEs) { kfree(strConnectInfo.pu8RespIEs); strConnectInfo.pu8RespIEs = NULL; } - if (strConnectInfo.pu8ReqIEs != NULL) { + if (strConnectInfo.pu8ReqIEs) { kfree(strConnectInfo.pu8ReqIEs); strConnectInfo.pu8ReqIEs = NULL; } @@ -1684,7 +1685,7 @@ 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); @@ -1706,12 +1707,12 @@ 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; } @@ -1720,7 +1721,7 @@ 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"); @@ -1732,7 +1733,7 @@ static s32 Handle_RcvdGnrlAsyncInfo(struct host_if_drv *hif_drv, } - if (pstrRcvdGnrlAsyncInfo->buffer != NULL) { + if (pstrRcvdGnrlAsyncInfo->buffer) { kfree(pstrRcvdGnrlAsyncInfo->buffer); pstrRcvdGnrlAsyncInfo->buffer = NULL; } @@ -1778,7 +1779,7 @@ static int Handle_Key(struct host_if_drv *hif_drv, pu8keybuf = kmalloc(pstrHostIFkeyAttr->attr.wep.key_len, GFP_KERNEL); - if (pu8keybuf == NULL) { + if (!pu8keybuf) { PRINT_ER("No buffer to send Key\n"); return -1; } @@ -1803,7 +1804,7 @@ 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; } @@ -1850,13 +1851,13 @@ 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); @@ -1927,9 +1928,7 @@ _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_; @@ -1962,9 +1961,7 @@ _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_; @@ -2000,7 +1997,7 @@ _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; } @@ -2073,7 +2070,7 @@ 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); @@ -2097,12 +2094,12 @@ 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; } @@ -2306,7 +2303,8 @@ 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; @@ -2359,7 +2357,7 @@ 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; @@ -2431,7 +2429,8 @@ 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; @@ -2464,7 +2463,8 @@ 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; @@ -2505,7 +2505,8 @@ 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; @@ -2534,7 +2535,8 @@ 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; @@ -2567,7 +2569,7 @@ 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; @@ -2593,7 +2595,7 @@ static int Handle_RemainOnChan(struct host_if_drv *hif_drv, strWID.size = 2; strWID.val = kmalloc(strWID.size, GFP_KERNEL); - if (strWID.val == NULL) { + if (!strWID.val) { result = -ENOMEM; goto ERRORHANDLER; } @@ -2636,7 +2638,8 @@ 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; @@ -2674,7 +2677,7 @@ 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; @@ -2757,7 +2760,8 @@ 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; @@ -2844,7 +2848,7 @@ static s32 Handle_AddBASession(struct host_if_drv *hif_drv, result = send_config_pkt(SET_CFG, &strWID, 1, get_id_from_handler(hif_drv)); - if (strWID.val != NULL) + if (strWID.val) kfree(strWID.val); return result; @@ -2882,8 +2886,7 @@ static s32 Handle_DelAllRxBASessions(struct host_if_drv *hif_drv, if (result) PRINT_D(HOSTINF_DBG, "Couldn't delete BA Session\n"); - - if (strWID.val != NULL) + if (strWID.val) kfree(strWID.val); up(&hif_sema_wait_response); @@ -2914,7 +2917,8 @@ 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); @@ -3282,9 +3286,11 @@ 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)); @@ -3302,14 +3308,14 @@ 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++) @@ -3348,12 +3354,13 @@ 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); } @@ -3373,10 +3380,11 @@ 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); } @@ -3544,12 +3552,12 @@ s32 host_int_set_join_req(struct host_if_drv *hif_drv, u8 *pu8bssid, struct host_if_msg msg; enum scan_conn_timer enuScanConnTimer; - 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; } @@ -3566,18 +3574,18 @@ 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); @@ -3900,8 +3908,7 @@ 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; } @@ -3928,8 +3935,7 @@ 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; } @@ -3969,7 +3975,7 @@ s32 host_int_scan(struct host_if_drv *hif_drv, u8 u8ScanSource, struct host_if_msg msg; enum scan_conn_timer enuScanConnTimer; - if (!hif_drv || ScanResult == NULL) { + if (!hif_drv || !ScanResult) { PRINT_ER("hif_drv or ScanResult = NULL\n"); return -EFAULT; } @@ -3978,7 +3984,7 @@ 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; @@ -4572,7 +4578,8 @@ s32 host_int_add_beacon(struct host_if_drv *hif_drv, u32 u32Interval, pstrSetBeaconParam->dtim_period = u32DTIMPeriod; pstrSetBeaconParam->head_len = u32HeadLen; pstrSetBeaconParam->head = kmalloc(u32HeadLen, GFP_KERNEL); - if (pstrSetBeaconParam->head == NULL) { + + if (!pstrSetBeaconParam->head) { result = -ENOMEM; goto ERRORHANDLER; } @@ -4581,7 +4588,7 @@ s32 host_int_add_beacon(struct host_if_drv *hif_drv, u32 u32Interval, if (u32TailLen > 0) { pstrSetBeaconParam->tail = kmalloc(u32TailLen, GFP_KERNEL); - if (pstrSetBeaconParam->tail == NULL) { + if (!pstrSetBeaconParam->tail) { result = -ENOMEM; goto ERRORHANDLER; } @@ -4596,10 +4603,10 @@ s32 host_int_add_beacon(struct host_if_drv *hif_drv, u32 u32Interval, ERRORHANDLER: if (result) { - if (pstrSetBeaconParam->head != NULL) + if (pstrSetBeaconParam->head) kfree(pstrSetBeaconParam->head); - if (pstrSetBeaconParam->tail != NULL) + if (pstrSetBeaconParam->tail) kfree(pstrSetBeaconParam->tail); } @@ -4682,7 +4689,7 @@ 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); @@ -4862,7 +4869,8 @@ 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; @@ -5006,7 +5014,7 @@ 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");