Return-path: Received: from eusmtp01.atmel.com ([212.144.249.242]:10156 "EHLO eusmtp01.atmel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755298AbbKYC4o (ORCPT ); Tue, 24 Nov 2015 21:56:44 -0500 From: Glen Lee To: CC: , , , , , , , , Subject: [PATCH 04/10] staging: wilc1000: replace explicit NULL comparisons with ! Date: Wed, 25 Nov 2015 11:59:43 +0900 Message-ID: <1448420389-4192-4-git-send-email-glen.lee@atmel.com> (sfid-20151125_035646_777972_027B7F2A) In-Reply-To: <1448420389-4192-1-git-send-email-glen.lee@atmel.com> References: <1448420389-4192-1-git-send-email-glen.lee@atmel.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-wireless-owner@vger.kernel.org List-ID: From: Leo Kim This patch replace explicit NULL comparison with ! operator to simplify code. Reported by checkpatch.pl for Comparison to NULL could be written !XXX" or "XXX". Signed-off-by: Leo Kim Signed-off-by: Glen Lee --- drivers/staging/wilc1000/wilc_wfi_cfgoperations.c | 31 ++++++++++++----------- 1 file changed, 16 insertions(+), 15 deletions(-) diff --git a/drivers/staging/wilc1000/wilc_wfi_cfgoperations.c b/drivers/staging/wilc1000/wilc_wfi_cfgoperations.c index 71038b1..bdc4537 100644 --- a/drivers/staging/wilc1000/wilc_wfi_cfgoperations.c +++ b/drivers/staging/wilc1000/wilc_wfi_cfgoperations.c @@ -463,7 +463,7 @@ static void CfgScanResult(enum scan_event scan_event, down(&(priv->hSemScanReq)); - if (priv->pstrScanReq != NULL) { + if (priv->pstrScanReq) { cfg80211_scan_done(priv->pstrScanReq, false); priv->u32RcvdChCount = 0; priv->bCfgScanning = false; @@ -474,7 +474,7 @@ static void CfgScanResult(enum scan_event scan_event, down(&(priv->hSemScanReq)); PRINT_D(CFG80211_DBG, "Scan Aborted\n"); - if (priv->pstrScanReq != NULL) { + if (priv->pstrScanReq) { update_scan_time(); refresh_scan(priv, 1, false); @@ -645,7 +645,8 @@ static int scan(struct wiphy *wiphy, struct cfg80211_scan_request *request) for (i = 0; i < request->n_ssids; i++) { - if (request->ssids[i].ssid != NULL && request->ssids[i].ssid_len != 0) { + if (request->ssids[i].ssid && + request->ssids[i].ssid_len != 0) { strHiddenNetwork.pstrHiddenNetworkInfo[i].pu8ssid = kmalloc(request->ssids[i].ssid_len, GFP_KERNEL); memcpy(strHiddenNetwork.pstrHiddenNetworkInfo[i].pu8ssid, request->ssids[i].ssid, request->ssids[i].ssid_len); strHiddenNetwork.pstrHiddenNetworkInfo[i].u8ssidlen = request->ssids[i].ssid_len; @@ -716,7 +717,7 @@ static int connect(struct wiphy *wiphy, struct net_device *dev, sme->ssid, sme->ssid_len) == 0) { PRINT_INFO(CFG80211_DBG, "Network with required SSID is found %s\n", sme->ssid); - if (sme->bssid == NULL) { + if (!sme->bssid) { PRINT_INFO(CFG80211_DBG, "BSSID is not passed from the user\n"); break; } else { @@ -1009,12 +1010,12 @@ static int add_key(struct wiphy *wiphy, struct net_device *netdev, u8 key_index, case WLAN_CIPHER_SUITE_TKIP: case WLAN_CIPHER_SUITE_CCMP: if (priv->wdev->iftype == NL80211_IFTYPE_AP || priv->wdev->iftype == NL80211_IFTYPE_P2P_GO) { - if (priv->wilc_gtk[key_index] == NULL) { + if (!priv->wilc_gtk[key_index]) { priv->wilc_gtk[key_index] = kmalloc(sizeof(struct wilc_wfi_key), GFP_KERNEL); priv->wilc_gtk[key_index]->key = NULL; priv->wilc_gtk[key_index]->seq = NULL; } - if (priv->wilc_ptk[key_index] == NULL) { + if (!priv->wilc_ptk[key_index]) { priv->wilc_ptk[key_index] = kmalloc(sizeof(struct wilc_wfi_key), GFP_KERNEL); priv->wilc_ptk[key_index]->key = NULL; priv->wilc_ptk[key_index]->seq = NULL; @@ -1828,12 +1829,12 @@ static int mgmt_tx(struct wiphy *wiphy, if (ieee80211_is_mgmt(mgmt->frame_control)) { mgmt_tx = kmalloc(sizeof(struct p2p_mgmt_data), GFP_KERNEL); - if (mgmt_tx == NULL) { + if (!mgmt_tx) { PRINT_ER("Failed to allocate memory for mgmt_tx structure\n"); return -EFAULT; } mgmt_tx->buff = kmalloc(buf_len, GFP_KERNEL); - if (mgmt_tx->buff == NULL) { + if (!mgmt_tx->buff) { PRINT_ER("Failed to allocate memory for mgmt_tx buff\n"); kfree(mgmt_tx); return -EFAULT; @@ -2037,11 +2038,11 @@ static int set_power_mgmt(struct wiphy *wiphy, struct net_device *dev, PRINT_D(CFG80211_DBG, " Power save Enabled= %d , TimeOut = %d\n", enabled, timeout); - if (wiphy == NULL) + if (!wiphy) return -ENOENT; priv = wiphy_priv(wiphy); - if (priv->hWILCWFIDrv == NULL) { + if (!priv->hWILCWFIDrv) { PRINT_ER("Driver is NULL\n"); return -EIO; } @@ -2451,7 +2452,7 @@ static int add_station(struct wiphy *wiphy, struct net_device *dev, PRINT_D(HOSTAPD_DBG, "Number of supported rates = %d\n", strStaParams.rates_len); - if (params->ht_capa == NULL) { + if (!params->ht_capa) { strStaParams.ht_supported = false; } else { strStaParams.ht_supported = true; @@ -2511,7 +2512,7 @@ static int del_station(struct wiphy *wiphy, struct net_device *dev, PRINT_D(HOSTAPD_DBG, "Deleting station\n"); - if (mac == NULL) { + if (!mac) { PRINT_D(HOSTAPD_DBG, "All associated stations\n"); s32Error = wilc_del_allstation(priv->hWILCWFIDrv, priv->assoc_stainfo.au8Sta_AssociatedBss); } else { @@ -2557,7 +2558,7 @@ static int change_station(struct wiphy *wiphy, struct net_device *dev, PRINT_D(HOSTAPD_DBG, "Number of supported rates = %d\n", strStaParams.rates_len); - if (params->ht_capa == NULL) { + if (!params->ht_capa) { strStaParams.ht_supported = false; } else { strStaParams.ht_supported = true; @@ -2622,7 +2623,7 @@ static struct wireless_dev *add_virtual_intf(struct wiphy *wiphy, PRINT_D(HOSTAPD_DBG, "Monitor interface mode: Initializing mon interface virtual device driver\n"); PRINT_D(HOSTAPD_DBG, "Adding monitor interface[%p]\n", nic->wilc_netdev); new_ifc = WILC_WFI_init_mon_interface(name, nic->wilc_netdev); - if (new_ifc != NULL) { + if (new_ifc) { PRINT_D(HOSTAPD_DBG, "Setting monitor flag in private structure\n"); nic = netdev_priv(priv->wdev->netdev); nic->monitor_flag = 1; @@ -2748,7 +2749,7 @@ struct wireless_dev *wilc_create_wiphy(struct net_device *net, struct device *de PRINT_D(CFG80211_DBG, "Registering wifi device\n"); wdev = WILC_WFI_CfgAlloc(); - if (wdev == NULL) { + if (!wdev) { PRINT_ER("CfgAlloc Failed\n"); return NULL; } -- 1.9.1