diff options
author | Michael Straube <straube.linux@gmail.com> | 2020-09-19 11:50:31 +0300 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-09-22 10:49:59 +0300 |
commit | 0e934ce2904e05d80f79f7fcb08632df3d994b6b (patch) | |
tree | b35bbb111c6b0068b1df5a6ec7f4035ad6930688 /drivers/staging | |
parent | dbbc8fdf2ad57629436bcdb421c2d4ad9aa1974f (diff) | |
download | linux-0e934ce2904e05d80f79f7fcb08632df3d994b6b.tar.xz |
staging: rtl8712: clean up comparsions to NULL
Clean up comparsions to NULL Reported by checkpatch.
if (x == NULL) -> if (!x)
if (x != NULL) -> if (x)
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Link: https://lore.kernel.org/r/20200919085032.32453-1-straube.linux@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging')
-rw-r--r-- | drivers/staging/rtl8712/rtl871x_cmd.c | 4 | ||||
-rw-r--r-- | drivers/staging/rtl8712/rtl871x_io.c | 2 | ||||
-rw-r--r-- | drivers/staging/rtl8712/rtl871x_ioctl_linux.c | 16 | ||||
-rw-r--r-- | drivers/staging/rtl8712/rtl871x_mlme.c | 11 | ||||
-rw-r--r-- | drivers/staging/rtl8712/rtl871x_mp_ioctl.c | 2 | ||||
-rw-r--r-- | drivers/staging/rtl8712/rtl871x_recv.c | 20 | ||||
-rw-r--r-- | drivers/staging/rtl8712/rtl871x_security.c | 8 | ||||
-rw-r--r-- | drivers/staging/rtl8712/rtl871x_sta_mgt.c | 4 | ||||
-rw-r--r-- | drivers/staging/rtl8712/rtl871x_xmit.c | 24 | ||||
-rw-r--r-- | drivers/staging/rtl8712/usb_intf.c | 2 |
10 files changed, 46 insertions, 47 deletions
diff --git a/drivers/staging/rtl8712/rtl871x_cmd.c b/drivers/staging/rtl8712/rtl871x_cmd.c index c7523072a660..18116469bd31 100644 --- a/drivers/staging/rtl8712/rtl871x_cmd.c +++ b/drivers/staging/rtl8712/rtl871x_cmd.c @@ -161,7 +161,7 @@ void r8712_free_cmd_obj(struct cmd_obj *pcmd) if ((pcmd->cmdcode != _JoinBss_CMD_) && (pcmd->cmdcode != _CreateBss_CMD_)) kfree(pcmd->parmbuf); - if (pcmd->rsp != NULL) { + if (pcmd->rsp) { if (pcmd->rspsz != 0) kfree(pcmd->rsp); } @@ -191,7 +191,7 @@ u8 r8712_sitesurvey_cmd(struct _adapter *padapter, psurveyPara->passive_mode = cpu_to_le32(pmlmepriv->passive_mode); psurveyPara->ss_ssidlen = 0; memset(psurveyPara->ss_ssid, 0, IW_ESSID_MAX_SIZE + 1); - if ((pssid != NULL) && (pssid->SsidLength)) { + if (pssid && pssid->SsidLength) { memcpy(psurveyPara->ss_ssid, pssid->Ssid, pssid->SsidLength); psurveyPara->ss_ssidlen = cpu_to_le32(pssid->SsidLength); } diff --git a/drivers/staging/rtl8712/rtl871x_io.c b/drivers/staging/rtl8712/rtl871x_io.c index 87024d6a465e..6789a4c98564 100644 --- a/drivers/staging/rtl8712/rtl871x_io.c +++ b/drivers/staging/rtl8712/rtl871x_io.c @@ -50,7 +50,7 @@ static uint _init_intf_hdl(struct _adapter *padapter, init_intf_priv = &r8712_usb_init_intf_priv; pintf_priv = pintf_hdl->pintfpriv = kmalloc(sizeof(struct intf_priv), GFP_ATOMIC); - if (pintf_priv == NULL) + if (!pintf_priv) goto _init_intf_hdl_fail; pintf_hdl->adapter = (u8 *)padapter; set_intf_option(&pintf_hdl->intf_option); diff --git a/drivers/staging/rtl8712/rtl871x_ioctl_linux.c b/drivers/staging/rtl8712/rtl871x_ioctl_linux.c index df6ae855f3c1..cbaa7a489748 100644 --- a/drivers/staging/rtl8712/rtl871x_ioctl_linux.c +++ b/drivers/staging/rtl8712/rtl871x_ioctl_linux.c @@ -481,11 +481,11 @@ static int r871x_set_wpa_ie(struct _adapter *padapter, char *pie, int group_cipher = 0, pairwise_cipher = 0; int ret = 0; - if ((ielen > MAX_WPA_IE_LEN) || (pie == NULL)) + if (ielen > MAX_WPA_IE_LEN || !pie) return -EINVAL; if (ielen) { buf = kmemdup(pie, ielen, GFP_ATOMIC); - if (buf == NULL) + if (!buf) return -ENOMEM; if (ielen < RSN_HEADER_LEN) { ret = -EINVAL; @@ -777,7 +777,7 @@ static int r871x_wx_set_pmkid(struct net_device *dev, * If cmd is IW_PMKSA_REMOVE, it means the wpa_supplicant wants to * remove a PMKID/BSSID from driver. */ - if (pPMK == NULL) + if (!pPMK) return -EINVAL; memcpy(strIssueBssid, pPMK->bssid.sa_data, ETH_ALEN); switch (pPMK->cmd) { @@ -1099,7 +1099,7 @@ static int r871x_wx_set_mlme(struct net_device *dev, struct _adapter *padapter = netdev_priv(dev); struct iw_mlme *mlme = (struct iw_mlme *) extra; - if (mlme == NULL) + if (!mlme) return -1; switch (mlme->cmd) { case IW_MLME_DEAUTH: @@ -1950,7 +1950,7 @@ static int r871x_get_ap_info(struct net_device *dev, u8 bssid[ETH_ALEN]; char data[33]; - if (padapter->driver_stopped || (pdata == NULL)) + if (padapter->driver_stopped || !pdata) return -EINVAL; while (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY | _FW_UNDER_LINKING)) { @@ -2014,7 +2014,7 @@ static int r871x_set_pid(struct net_device *dev, struct _adapter *padapter = netdev_priv(dev); struct iw_point *pdata = &wrqu->data; - if ((padapter->driver_stopped) || (pdata == NULL)) + if (padapter->driver_stopped || !pdata) return -EINVAL; if (copy_from_user(&padapter->pid, pdata->pointer, sizeof(int))) return -EINVAL; @@ -2030,7 +2030,7 @@ static int r871x_set_chplan(struct net_device *dev, struct iw_point *pdata = &wrqu->data; int ch_plan = -1; - if ((padapter->driver_stopped) || (pdata == NULL)) { + if (padapter->driver_stopped || !pdata) { ret = -EINVAL; goto exit; } @@ -2050,7 +2050,7 @@ static int r871x_wps_start(struct net_device *dev, struct iw_point *pdata = &wrqu->data; u32 u32wps_start = 0; - if ((padapter->driver_stopped) || (pdata == NULL)) + if (padapter->driver_stopped || !pdata) return -EINVAL; if (copy_from_user((void *)&u32wps_start, pdata->pointer, 4)) return -EFAULT; diff --git a/drivers/staging/rtl8712/rtl871x_mlme.c b/drivers/staging/rtl8712/rtl871x_mlme.c index 2ccd49032206..6074383ec0b5 100644 --- a/drivers/staging/rtl8712/rtl871x_mlme.c +++ b/drivers/staging/rtl8712/rtl871x_mlme.c @@ -754,7 +754,7 @@ void r8712_joinbss_event_callback(struct _adapter *adapter, u8 *pbuf) ptarget_wlan->fixed = true; } - if (ptarget_wlan == NULL) { + if (!ptarget_wlan) { if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) pmlmepriv->fw_state ^= @@ -768,7 +768,7 @@ void r8712_joinbss_event_callback(struct _adapter *adapter, u8 *pbuf) ptarget_sta = r8712_get_stainfo(pstapriv, pnetwork->network.MacAddress); - if (ptarget_sta == NULL) + if (!ptarget_sta) ptarget_sta = r8712_alloc_stainfo(pstapriv, pnetwork->network.MacAddress); @@ -879,7 +879,7 @@ void r8712_stassoc_event_callback(struct _adapter *adapter, u8 *pbuf) if (!r8712_access_ctrl(&adapter->acl_list, pstassoc->macaddr)) return; psta = r8712_get_stainfo(&adapter->stapriv, pstassoc->macaddr); - if (psta != NULL) { + if (psta) { /*the sta have been in sta_info_queue => do nothing *(between drv has received this event before and * fw have not yet to set key to CAM_ENTRY) @@ -888,7 +888,7 @@ void r8712_stassoc_event_callback(struct _adapter *adapter, u8 *pbuf) } psta = r8712_alloc_stainfo(&adapter->stapriv, pstassoc->macaddr); - if (psta == NULL) + if (!psta) return; /* to do : init sta_info variable */ psta->qos_option = 0; @@ -1080,8 +1080,7 @@ int r8712_select_and_join_from_scan(struct mlme_priv *pmlmepriv) pmlmepriv->pscanned = phead->next; while (1) { if (end_of_queue_search(phead, pmlmepriv->pscanned)) { - if ((pmlmepriv->assoc_by_rssi) && - (pnetwork_max_rssi != NULL)) { + if (pmlmepriv->assoc_by_rssi && pnetwork_max_rssi) { pnetwork = pnetwork_max_rssi; goto ask_for_joinbss; } diff --git a/drivers/staging/rtl8712/rtl871x_mp_ioctl.c b/drivers/staging/rtl8712/rtl871x_mp_ioctl.c index 29b85330815f..f906d3fbe179 100644 --- a/drivers/staging/rtl8712/rtl871x_mp_ioctl.c +++ b/drivers/staging/rtl8712/rtl871x_mp_ioctl.c @@ -186,7 +186,7 @@ static int mp_start_test(struct _adapter *padapter) if (psta) r8712_free_stainfo(padapter, psta); psta = r8712_alloc_stainfo(&padapter->stapriv, bssid.MacAddress); - if (psta == NULL) { + if (!psta) { res = -ENOMEM; goto end_of_mp_start_test; } diff --git a/drivers/staging/rtl8712/rtl871x_recv.c b/drivers/staging/rtl8712/rtl871x_recv.c index c1bfd61824ef..eb4e46a7f743 100644 --- a/drivers/staging/rtl8712/rtl871x_recv.c +++ b/drivers/staging/rtl8712/rtl871x_recv.c @@ -58,7 +58,7 @@ void _r8712_init_recv_priv(struct recv_priv *precvpriv, precvpriv->pallocated_frame_buf = kzalloc(NR_RECVFRAME * sizeof(union recv_frame) + RXFRAME_ALIGN_SZ, GFP_ATOMIC); - if (precvpriv->pallocated_frame_buf == NULL) + if (!precvpriv->pallocated_frame_buf) return; kmemleak_not_leak(precvpriv->pallocated_frame_buf); precvpriv->precv_frame_buf = precvpriv->pallocated_frame_buf + @@ -97,7 +97,7 @@ union recv_frame *r8712_alloc_recvframe(struct __queue *pfree_recv_queue) if (precvframe) { list_del_init(&precvframe->u.hdr.list); padapter = precvframe->u.hdr.adapter; - if (padapter != NULL) { + if (padapter) { precvpriv = &padapter->recvpriv; if (pfree_recv_queue == &precvpriv->free_recv_queue) precvpriv->free_recvframe_cnt--; @@ -145,7 +145,7 @@ sint r8712_recvframe_chkmic(struct _adapter *adapter, stainfo = r8712_get_stainfo(&adapter->stapriv, &prxattrib->ta[0]); if (prxattrib->encrypt == _TKIP_) { /* calculate mic code */ - if (stainfo != NULL) { + if (stainfo) { if (is_multicast_ether_addr(prxattrib->ra)) { iv = precvframe->u.hdr.rx_data + prxattrib->hdrlen; @@ -242,7 +242,7 @@ union recv_frame *r8712_portctrl(struct _adapter *adapter, ptr = ptr + pfhdr->attrib.hdrlen + LLC_HEADER_SIZE; ether_type = get_unaligned_be16(ptr); - if ((psta != NULL) && (psta->ieee8021x_blocked)) { + if (psta && psta->ieee8021x_blocked) { /* blocked * only accept EAPOL frame */ @@ -349,7 +349,7 @@ static sint sta2sta_data_frame(struct _adapter *adapter, *psta = r8712_get_bcmc_stainfo(adapter); else *psta = r8712_get_stainfo(pstapriv, sta_addr); /* get ap_info */ - if (*psta == NULL) { + if (!*psta) { if (check_fwstate(pmlmepriv, WIFI_MP_STATE)) adapter->mppriv.rx_pktloss++; return _FAIL; @@ -399,7 +399,7 @@ static sint ap2sta_data_frame(struct _adapter *adapter, *psta = r8712_get_bcmc_stainfo(adapter); else *psta = r8712_get_stainfo(pstapriv, pattrib->bssid); - if (*psta == NULL) + if (!*psta) return _FAIL; } else if (check_fwstate(pmlmepriv, WIFI_MP_STATE) && check_fwstate(pmlmepriv, _FW_LINKED)) { @@ -410,7 +410,7 @@ static sint ap2sta_data_frame(struct _adapter *adapter, memcpy(pattrib->ta, pattrib->src, ETH_ALEN); memcpy(pattrib->bssid, mybssid, ETH_ALEN); *psta = r8712_get_stainfo(pstapriv, pattrib->bssid); - if (*psta == NULL) + if (!*psta) return _FAIL; } else { return _FAIL; @@ -435,7 +435,7 @@ static sint sta2ap_data_frame(struct _adapter *adapter, if (memcmp(pattrib->bssid, mybssid, ETH_ALEN)) return _FAIL; *psta = r8712_get_stainfo(pstapriv, pattrib->src); - if (*psta == NULL) + if (!*psta) return _FAIL; } return _SUCCESS; @@ -469,7 +469,7 @@ static sint validate_recv_data_frame(struct _adapter *adapter, pda = get_da(ptr); psa = get_sa(ptr); pbssid = get_hdr_bssid(ptr); - if (pbssid == NULL) + if (!pbssid) return _FAIL; memcpy(pattrib->dst, pda, ETH_ALEN); memcpy(pattrib->src, psa, ETH_ALEN); @@ -499,7 +499,7 @@ static sint validate_recv_data_frame(struct _adapter *adapter, } if (res == _FAIL) return _FAIL; - if (psta == NULL) + if (!psta) return _FAIL; precv_frame->u.hdr.psta = psta; pattrib->amsdu = 0; diff --git a/drivers/staging/rtl8712/rtl871x_security.c b/drivers/staging/rtl8712/rtl871x_security.c index c05010d85212..5000c87752d3 100644 --- a/drivers/staging/rtl8712/rtl871x_security.c +++ b/drivers/staging/rtl8712/rtl871x_security.c @@ -584,7 +584,7 @@ u32 r8712_tkip_encrypt(struct _adapter *padapter, u8 *pxmitframe) else stainfo = r8712_get_stainfo(&padapter->stapriv, &pattrib->ra[0]); - if (stainfo != NULL) { + if (stainfo) { prwskey = &stainfo->x_UncstKey.skey[0]; for (curfragnum = 0; curfragnum < pattrib->nr_frags; curfragnum++) { @@ -658,7 +658,7 @@ void r8712_tkip_decrypt(struct _adapter *padapter, u8 *precvframe) if (prxattrib->encrypt == _TKIP_) { stainfo = r8712_get_stainfo(&padapter->stapriv, &prxattrib->ta[0]); - if (stainfo != NULL) { + if (stainfo) { iv = pframe + prxattrib->hdrlen; payload = pframe + prxattrib->iv_len + prxattrib->hdrlen; @@ -1155,7 +1155,7 @@ u32 r8712_aes_encrypt(struct _adapter *padapter, u8 *pxmitframe) else stainfo = r8712_get_stainfo(&padapter->stapriv, &pattrib->ra[0]); - if (stainfo != NULL) { + if (stainfo) { prwskey = &stainfo->x_UncstKey.skey[0]; for (curfragnum = 0; curfragnum < pattrib->nr_frags; curfragnum++) { @@ -1357,7 +1357,7 @@ void r8712_aes_decrypt(struct _adapter *padapter, u8 *precvframe) if (prxattrib->encrypt == _AES_) { stainfo = r8712_get_stainfo(&padapter->stapriv, &prxattrib->ta[0]); - if (stainfo != NULL) { + if (stainfo) { if (is_multicast_ether_addr(prxattrib->ra)) { iv = pframe + prxattrib->hdrlen; idx = iv[3]; diff --git a/drivers/staging/rtl8712/rtl871x_sta_mgt.c b/drivers/staging/rtl8712/rtl871x_sta_mgt.c index 653812c5d5a8..706e9db0fc5b 100644 --- a/drivers/staging/rtl8712/rtl871x_sta_mgt.c +++ b/drivers/staging/rtl8712/rtl871x_sta_mgt.c @@ -149,7 +149,7 @@ void r8712_free_stainfo(struct _adapter *padapter, struct sta_info *psta) struct xmit_priv *pxmitpriv = &padapter->xmitpriv; struct sta_priv *pstapriv = &padapter->stapriv; - if (psta == NULL) + if (!psta) return; pfree_sta_queue = &pstapriv->free_sta_queue; pstaxmitpriv = &psta->sta_xmitpriv; @@ -222,7 +222,7 @@ struct sta_info *r8712_get_stainfo(struct sta_priv *pstapriv, u8 *hwaddr) struct sta_info *psta = NULL; u32 index; - if (hwaddr == NULL) + if (!hwaddr) return NULL; index = wifi_mac_hash(hwaddr); spin_lock_irqsave(&pstapriv->sta_hash_lock, irqL); diff --git a/drivers/staging/rtl8712/rtl871x_xmit.c b/drivers/staging/rtl8712/rtl871x_xmit.c index cae552276ab8..7093903b3af1 100644 --- a/drivers/staging/rtl8712/rtl871x_xmit.c +++ b/drivers/staging/rtl8712/rtl871x_xmit.c @@ -156,7 +156,7 @@ void _free_xmit_priv(struct xmit_priv *pxmitpriv) pxmitpriv->pxmit_frame_buf; struct xmit_buf *pxmitbuf = (struct xmit_buf *)pxmitpriv->pxmitbuf; - if (pxmitpriv->pxmit_frame_buf == NULL) + if (!pxmitpriv->pxmit_frame_buf) return; for (i = 0; i < NR_XMITFRAME; i++) { r8712_xmit_complete(padapter, pxmitframe); @@ -269,7 +269,7 @@ int r8712_update_attrib(struct _adapter *padapter, _pkt *pkt, pattrib->mac_id = 5; } else { psta = r8712_get_stainfo(pstapriv, pattrib->ra); - if (psta == NULL) /* drop the pkt */ + if (!psta) /* drop the pkt */ return -ENOMEM; if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) pattrib->mac_id = 5; @@ -362,7 +362,7 @@ static int xmitframe_addmic(struct _adapter *padapter, &pattrib->ra[0]); if (pattrib->encrypt == _TKIP_) { /*encode mic code*/ - if (stainfo != NULL) { + if (stainfo) { u8 null_key[16] = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}; @@ -592,10 +592,10 @@ sint r8712_xmitframe_coalesce(struct _adapter *padapter, _pkt *pkt, u8 *pbuf_start; bool bmcst = is_multicast_ether_addr(pattrib->ra); - if (pattrib->psta == NULL) + if (!pattrib->psta) return _FAIL; psta = pattrib->psta; - if (pxmitframe->buf_addr == NULL) + if (!pxmitframe->buf_addr) return _FAIL; pbuf_start = pxmitframe->buf_addr; ptxdesc = pbuf_start; @@ -623,7 +623,7 @@ sint r8712_xmitframe_coalesce(struct _adapter *padapter, _pkt *pkt, mpdu_len -= pattrib->hdrlen; /* adding icv, if necessary...*/ if (pattrib->iv_len) { - if (psta != NULL) { + if (psta) { switch (pattrib->encrypt) { case _WEP40_: case _WEP104_: @@ -711,7 +711,7 @@ void r8712_update_protection(struct _adapter *padapter, u8 *ie, uint ie_len) case AUTO_VCS: default: perp = r8712_get_ie(ie, _ERPINFO_IE_, &erp_len, ie_len); - if (perp == NULL) { + if (!perp) { pxmitpriv->vcs = NONE_VCS; } else { protection = (*(perp + 2)) & BIT(1); @@ -750,7 +750,7 @@ void r8712_free_xmitbuf(struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf) unsigned long irqL; struct __queue *pfree_xmitbuf_queue = &pxmitpriv->free_xmitbuf_queue; - if (pxmitbuf == NULL) + if (!pxmitbuf) return; spin_lock_irqsave(&pfree_xmitbuf_queue->lock, irqL); list_del_init(&pxmitbuf->list); @@ -803,7 +803,7 @@ void r8712_free_xmitframe(struct xmit_priv *pxmitpriv, struct __queue *pfree_xmit_queue = &pxmitpriv->free_xmit_queue; struct _adapter *padapter = pxmitpriv->adapter; - if (pxmitframe == NULL) + if (!pxmitframe) return; spin_lock_irqsave(&pfree_xmit_queue->lock, irqL); list_del_init(&pxmitframe->list); @@ -819,7 +819,7 @@ void r8712_free_xmitframe(struct xmit_priv *pxmitpriv, void r8712_free_xmitframe_ex(struct xmit_priv *pxmitpriv, struct xmit_frame *pxmitframe) { - if (pxmitframe == NULL) + if (!pxmitframe) return; if (pxmitframe->frame_tag == DATA_FRAMETAG) r8712_free_xmitframe(pxmitpriv, pxmitframe); @@ -910,7 +910,7 @@ int r8712_xmit_classifier(struct _adapter *padapter, psta = r8712_get_stainfo(pstapriv, pattrib->ra); } } - if (psta == NULL) + if (!psta) return -EINVAL; ptxservq = get_sta_pending(padapter, &pstapending, psta, pattrib->priority); @@ -1022,7 +1022,7 @@ int r8712_pre_xmit(struct _adapter *padapter, struct xmit_frame *pxmitframe) return ret; } pxmitbuf = r8712_alloc_xmitbuf(pxmitpriv); - if (pxmitbuf == NULL) { /*enqueue packet*/ + if (!pxmitbuf) { /*enqueue packet*/ ret = false; r8712_xmit_enqueue(padapter, pxmitframe); spin_unlock_irqrestore(&pxmitpriv->lock, irqL); diff --git a/drivers/staging/rtl8712/usb_intf.c b/drivers/staging/rtl8712/usb_intf.c index 2fcd65260f4c..dc21e7743349 100644 --- a/drivers/staging/rtl8712/usb_intf.c +++ b/drivers/staging/rtl8712/usb_intf.c @@ -577,7 +577,7 @@ static int r871xu_drv_init(struct usb_interface *pusb_intf, error: usb_put_dev(udev); usb_set_intfdata(pusb_intf, NULL); - if (padapter && padapter->dvobj_deinit != NULL) + if (padapter && padapter->dvobj_deinit) padapter->dvobj_deinit(padapter); if (pnetdev) free_netdev(pnetdev); |