From: Mohammed Rizwan Kaniyate Date: Sat, 25 Apr 2026 11:23:27 +0000 (+0530) Subject: staging: rtl8723bs: remove multiple blank lines in core/ X-Git-Tag: v7.2-rc1~66^2~131 X-Git-Url: http://git.ipfire.org/gitweb/index.cgi?a=commitdiff_plain;h=7dbc9fd714387388ebe049a619513e60b5c442e8;p=thirdparty%2Fkernel%2Flinux.git staging: rtl8723bs: remove multiple blank lines in core/ Remove multiple consecutive blank lines. Issue reported by checkpatch.pl Signed-off-by: Mohammed Rizwan Kaniyate Reviewed-by: Luka Gejak Link: https://patch.msgid.link/20260425112327.215355-1-mrizwank004@gmail.com Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/staging/rtl8723bs/core/rtw_efuse.c b/drivers/staging/rtl8723bs/core/rtw_efuse.c index 94b00d3c61cfa..a7a6364498132 100644 --- a/drivers/staging/rtl8723bs/core/rtw_efuse.c +++ b/drivers/staging/rtl8723bs/core/rtw_efuse.c @@ -232,7 +232,6 @@ void rtw_efuse_shadow_map_update(struct adapter *padapter, u8 efuseType) /* void *)&pHalData->EfuseMap[EFUSE_INIT_MAP][0], mapLen); */ } /* rtw_efuse_shadow_map_update */ - /*----------------------------------------------------------------------------- * Function: rtw_efuse_shadow_read * diff --git a/drivers/staging/rtl8723bs/core/rtw_ioctl_set.c b/drivers/staging/rtl8723bs/core/rtw_ioctl_set.c index c70541f95a735..32c0af6af699c 100644 --- a/drivers/staging/rtl8723bs/core/rtw_ioctl_set.c +++ b/drivers/staging/rtl8723bs/core/rtw_ioctl_set.c @@ -340,7 +340,6 @@ u8 rtw_set_802_11_infrastructure_mode(struct adapter *padapter, return true; } - u8 rtw_set_802_11_disassociate(struct adapter *padapter) { struct mlme_priv *pmlmepriv = &padapter->mlmepriv; diff --git a/drivers/staging/rtl8723bs/core/rtw_mlme_ext.c b/drivers/staging/rtl8723bs/core/rtw_mlme_ext.c index 7d3b0d22943a5..cfd3eb253350e 100644 --- a/drivers/staging/rtl8723bs/core/rtw_mlme_ext.c +++ b/drivers/staging/rtl8723bs/core/rtw_mlme_ext.c @@ -520,7 +520,6 @@ unsigned int OnProbeReq(struct adapter *padapter, union recv_frame *precv_frame) p = rtw_get_ie(pframe + WLAN_HDR_A3_LEN + _PROBEREQ_IE_OFFSET_, WLAN_EID_SSID, (int *)&ielen, len - WLAN_HDR_A3_LEN - _PROBEREQ_IE_OFFSET_); - /* check (wildcard) SSID */ if (p) { if (is_valid_p2p_probereq) @@ -773,7 +772,6 @@ unsigned int OnAuth(struct adapter *padapter, union recv_frame *precv_frame) if (pstat->auth_seq == 0) pstat->expire_to = pstapriv->auth_to; - if ((pstat->auth_seq + 1) != seq) { status = WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION; goto auth_fail; @@ -822,7 +820,6 @@ unsigned int OnAuth(struct adapter *padapter, union recv_frame *precv_frame) } } - /* Now, we are going to issue_auth... */ pstat->auth_seq = seq + 1; @@ -831,7 +828,6 @@ unsigned int OnAuth(struct adapter *padapter, union recv_frame *precv_frame) if (pstat->state & WIFI_FW_AUTH_SUCCESS) pstat->auth_seq = 0; - return _SUCCESS; auth_fail: @@ -958,7 +954,6 @@ unsigned int OnAssocReq(struct adapter *padapter, union recv_frame *precv_frame) else /* WIFI_REASSOCREQ */ ie_offset = _REASOCREQ_IE_OFFSET_; - if (pkt_len < sizeof(struct ieee80211_hdr_3addr) + ie_offset) return _FAIL; @@ -988,7 +983,6 @@ unsigned int OnAssocReq(struct adapter *padapter, union recv_frame *precv_frame) pstat->state |= WIFI_FW_ASSOC_STATE; } - pstat->capability = capab_info; /* now parse all ieee802_11 ie to point to elems */ @@ -1124,7 +1118,6 @@ unsigned int OnAssocReq(struct adapter *padapter, union recv_frame *precv_frame) else pstat->flags |= WLAN_STA_MAYBE_WPS; - /* AP support WPA/RSN, and sta is going to do WPS, but AP is not ready */ /* that the selected registrar of AP is _FLASE */ if ((psecuritypriv->wpa_psk > 0) @@ -1159,13 +1152,11 @@ unsigned int OnAssocReq(struct adapter *padapter, union recv_frame *precv_frame) copy_len = min(sizeof(pstat->wpa_ie), wpa_ie_len + 2u); } - if (copy_len > 0) memcpy(pstat->wpa_ie, wpa_ie-2, copy_len); } - /* check if there is WMM IE & support WWM-PS */ pstat->flags &= ~WLAN_STA_WME; pstat->qos_option = 0; @@ -1238,13 +1229,11 @@ unsigned int OnAssocReq(struct adapter *padapter, union recv_frame *precv_frame) } else pstat->flags &= ~WLAN_STA_HT; - if ((pmlmepriv->htpriv.ht_option == false) && (pstat->flags&WLAN_STA_HT)) { status = WLAN_STATUS_CHALLENGE_FAIL; goto OnAssocReqFail; } - if ((pstat->flags & WLAN_STA_HT) && ((pstat->wpa2_pairwise_cipher&WPA_CIPHER_TKIP) || (pstat->wpa_pairwise_cipher&WPA_CIPHER_TKIP))) { @@ -1285,13 +1274,11 @@ unsigned int OnAssocReq(struct adapter *padapter, union recv_frame *precv_frame) goto OnAssocReqFail; - } else { pstapriv->sta_aid[pstat->aid - 1] = pstat; } } - pstat->state &= (~WIFI_FW_ASSOC_STATE); pstat->state |= WIFI_FW_ASSOC_SUCCESS; @@ -1485,7 +1472,6 @@ unsigned int OnDeAuth(struct adapter *padapter, union recv_frame *precv_frame) associated_clients_update(padapter, updated); } - return _SUCCESS; } @@ -2115,7 +2101,6 @@ void issue_beacon(struct adapter *padapter, int timeout_ms) pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET; pwlanhdr = (struct ieee80211_hdr *)pframe; - fctrl = &(pwlanhdr->frame_control); *(fctrl) = 0; @@ -2204,12 +2189,10 @@ void issue_beacon(struct adapter *padapter, int timeout_ms) pframe = rtw_set_ie(pframe, WLAN_EID_ERP_INFO, 1, &erpinfo, &pattrib->pktlen); } - /* EXTERNDED SUPPORTED RATE */ if (rate_len > 8) pframe = rtw_set_ie(pframe, WLAN_EID_EXT_SUPP_RATES, (rate_len - 8), (cur_network->supported_rates + 8), &pattrib->pktlen); - /* todo:HT for adhoc */ _issue_bcn: @@ -2281,7 +2264,6 @@ void issue_probersp(struct adapter *padapter, unsigned char *da, u8 is_valid_p2p pattrib->pktlen = pattrib->hdrlen; pframe += pattrib->hdrlen; - if (cur_network->ie_length > MAX_IE_SZ) return; @@ -2405,19 +2387,16 @@ void issue_probersp(struct adapter *padapter, unsigned char *da, u8 is_valid_p2p pframe = rtw_set_ie(pframe, WLAN_EID_ERP_INFO, 1, &erpinfo, &pattrib->pktlen); } - /* EXTERNDED SUPPORTED RATE */ if (rate_len > 8) pframe = rtw_set_ie(pframe, WLAN_EID_EXT_SUPP_RATES, (rate_len - 8), (cur_network->supported_rates + 8), &pattrib->pktlen); - /* todo:HT for adhoc */ } pattrib->last_txcmdsz = pattrib->pktlen; - dump_mgntframe(padapter, pmgntframe); } @@ -2446,7 +2425,6 @@ static int _issue_probereq(struct adapter *padapter, pattrib = &pmgntframe->attrib; update_mgntframe_attrib(padapter, pattrib); - memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET); pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET; @@ -2590,7 +2568,6 @@ void issue_auth(struct adapter *padapter, struct sta_info *psta, unsigned short pframe += sizeof(struct ieee80211_hdr_3addr); pattrib->pktlen = sizeof(struct ieee80211_hdr_3addr); - if (psta) { /* for AP mode */ memcpy(pwlanhdr->addr1, psta->hwaddr, ETH_ALEN); memcpy(pwlanhdr->addr2, myid(&(padapter->eeprompriv)), ETH_ALEN); @@ -2651,7 +2628,6 @@ void issue_auth(struct adapter *padapter, struct sta_info *psta, unsigned short le_tmp = cpu_to_le16(pmlmeinfo->auth_seq); pframe = rtw_set_fixed_ie(pframe, _AUTH_SEQ_NUM_, (unsigned char *)&le_tmp, &(pattrib->pktlen)); - /* setting status code... */ le_tmp = cpu_to_le16(status); pframe = rtw_set_fixed_ie(pframe, _STATUS_CODE_, (unsigned char *)&le_tmp, &(pattrib->pktlen)); @@ -2680,7 +2656,6 @@ void issue_auth(struct adapter *padapter, struct sta_info *psta, unsigned short dump_mgntframe(padapter, pmgntframe); } - void issue_asocrsp(struct adapter *padapter, unsigned short status, struct sta_info *pstat, int pkt_type) { struct xmit_frame *pmgntframe; @@ -2705,7 +2680,6 @@ void issue_asocrsp(struct adapter *padapter, unsigned short status, struct sta_i pattrib = &pmgntframe->attrib; update_mgntframe_attrib(padapter, pattrib); - memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET); pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET; @@ -2718,7 +2692,6 @@ void issue_asocrsp(struct adapter *padapter, unsigned short status, struct sta_i memcpy(GetAddr2Ptr(pwlanhdr), myid(&(padapter->eeprompriv)), ETH_ALEN); memcpy(GetAddr3Ptr(pwlanhdr), get_my_bssid(&(pmlmeinfo->network)), ETH_ALEN); - SetSeqNum(pwlanhdr, pmlmeext->mgnt_seq); pmlmeext->mgnt_seq++; if ((pkt_type == WIFI_ASSOCRSP) || (pkt_type == WIFI_REASSOCRSP)) @@ -2877,7 +2850,6 @@ void issue_assocreq(struct adapter *padapter) if (pmlmeext->cur_channel == 14) /* for JAPAN, channel 14 can only uses B Mode(CCK) */ sta_bssrate_len = 4; - /* for (i = 0; i < sta_bssrate_len; i++) { */ /* */ @@ -2886,12 +2858,10 @@ void issue_assocreq(struct adapter *padapter) break; } - for (i = 0; i < NDIS_802_11_LENGTH_RATES_EX; i++) { if (pmlmeinfo->network.supported_rates[i] == 0) break; - /* Check if the AP's supported rates are also supported by STA. */ for (j = 0; j < sta_bssrate_len; j++) { /* Avoid the proprietary data rate (22Mbps) of Handlink WSG-4000 AP */ @@ -2913,7 +2883,6 @@ void issue_assocreq(struct adapter *padapter) goto exit; /* don't connect to AP if no joint supported rate */ } - if (bssrate_len > 8) { pframe = rtw_set_ie(pframe, WLAN_EID_SUPP_RATES, 8, bssrate, &(pattrib->pktlen)); pframe = rtw_set_ie(pframe, WLAN_EID_EXT_SUPP_RATES, (bssrate_len - 8), (bssrate + 8), &(pattrib->pktlen)); @@ -2970,7 +2939,6 @@ void issue_assocreq(struct adapter *padapter) if (pmlmeinfo->assoc_AP_vendor == HT_IOT_PEER_REALTEK) pframe = rtw_set_ie(pframe, WLAN_EID_VENDOR_SPECIFIC, 6, REALTEK_96B_IE, &(pattrib->pktlen)); - pattrib->last_txcmdsz = pattrib->pktlen; dump_mgntframe(padapter, pmgntframe); @@ -3067,7 +3035,6 @@ int issue_nulldata(struct adapter *padapter, unsigned char *da, unsigned int pow struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info; struct sta_info *psta; - /* da == NULL, assume it's null data for sta to ap*/ if (!da) da = get_my_bssid(&(pmlmeinfo->network)); @@ -3117,7 +3084,6 @@ s32 issue_nulldata_in_interrupt(struct adapter *padapter, u8 *da) struct mlme_ext_priv *pmlmeext; struct mlme_ext_info *pmlmeinfo; - pmlmeext = &padapter->mlmeextpriv; pmlmeinfo = &pmlmeext->mlmext_info; @@ -3286,7 +3252,6 @@ static int _issue_deauth(struct adapter *padapter, unsigned char *da, pattrib->last_txcmdsz = pattrib->pktlen; - if (wait_ack) { ret = dump_mgntframe_and_wait_ack(padapter, pmgntframe); } else { @@ -3608,7 +3573,6 @@ static void issue_action_BSSCoexistPacket(struct adapter *padapter) pframe = rtw_set_fixed_ie(pframe, 1, &(category), &(pattrib->pktlen)); pframe = rtw_set_fixed_ie(pframe, 1, &(action), &(pattrib->pktlen)); - /* */ if (pmlmepriv->num_FortyMHzIntolerant > 0) { u8 iedata = 0; @@ -3619,7 +3583,6 @@ static void issue_action_BSSCoexistPacket(struct adapter *padapter) } - /* */ memset(ICS, 0, sizeof(ICS)); if (pmlmepriv->num_sta_no_ht > 0) { @@ -3660,7 +3623,6 @@ static void issue_action_BSSCoexistPacket(struct adapter *padapter) spin_unlock_bh(&(pmlmepriv->scanned_queue.lock)); - for (i = 0; i < 8; i++) { int j, k = 0; @@ -3688,7 +3650,6 @@ static void issue_action_BSSCoexistPacket(struct adapter *padapter) } - pattrib->last_txcmdsz = pattrib->pktlen; dump_mgntframe(padapter, pmgntframe); @@ -4164,7 +4125,6 @@ void start_clnt_auth(struct adapter *padapter) pmlmeinfo->link_count = 0; pmlmeext->retry = 0; - netdev_dbg(padapter->pnetdev, "start auth\n"); issue_auth(padapter, NULL, 0); @@ -4172,7 +4132,6 @@ void start_clnt_auth(struct adapter *padapter) } - void start_clnt_assoc(struct adapter *padapter) { struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; @@ -4219,7 +4178,6 @@ static void process_80211d(struct adapter *padapter, struct wlan_bssid_ex *bssid u8 channel; u8 i; - pregistrypriv = &padapter->registrypriv; pmlmeext = &padapter->mlmeextpriv; @@ -4493,10 +4451,8 @@ void report_join_res(struct adapter *padapter, int res) memcpy((unsigned char *)(&(pjoinbss_evt->network.network)), &(pmlmeinfo->network), sizeof(struct wlan_bssid_ex)); pjoinbss_evt->network.join_res = pjoinbss_evt->network.aid = res; - rtw_joinbss_event_prehandle(padapter, (u8 *)&pjoinbss_evt->network); - rtw_enqueue_cmd(pcmdpriv, pcmd_obj); } @@ -4582,7 +4538,6 @@ void report_del_sta_event(struct adapter *padapter, unsigned char *MacAddr, unsi memcpy((unsigned char *)(&(pdel_sta_evt->macaddr)), MacAddr, ETH_ALEN); memcpy((unsigned char *)(pdel_sta_evt->rsvd), (unsigned char *)(&reason), 2); - psta = rtw_get_stainfo(&padapter->stapriv, MacAddr); if (psta) mac_id = (int)psta->mac_id; @@ -4766,7 +4721,6 @@ void mlmeext_joinbss_event_callback(struct adapter *padapter, int join_res) /* update bc/mc sta_info */ update_bmc_sta(padapter); - /* turn on dynamic functions */ Switch_DM_Func(padapter, DYNAMIC_ALL_FUNC_ENABLE, true); @@ -5079,7 +5033,6 @@ void link_timer_hdl(struct timer_list *t) struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info; - if (pmlmeinfo->state & WIFI_FW_AUTH_NULL) { pmlmeinfo->state = WIFI_FW_NULL_STATE; report_join_res(padapter, -3); @@ -5265,7 +5218,6 @@ u8 join_cmd_hdl(struct adapter *padapter, u8 *pbuf) /* set_msr(padapter, _HW_STATE_NOLINK_); */ set_msr(padapter, _HW_STATE_STATION_); - rtw_hal_set_hwreg(padapter, HW_VAR_MLME_DISCONNECT, NULL); } diff --git a/drivers/staging/rtl8723bs/core/rtw_recv.c b/drivers/staging/rtl8723bs/core/rtw_recv.c index df9c59449de53..e11127992cfd1 100644 --- a/drivers/staging/rtl8723bs/core/rtw_recv.c +++ b/drivers/staging/rtl8723bs/core/rtw_recv.c @@ -57,7 +57,6 @@ signed int _rtw_init_recv_priv(struct recv_priv *precvpriv, struct adapter *pada precvframe = (union recv_frame *) precvpriv->precv_frame_buf; - for (i = 0; i < NR_RECVFRAME; i++) { INIT_LIST_HEAD(&(precvframe->u.list)); @@ -177,9 +176,6 @@ int rtw_free_recvframe(union recv_frame *precvframe, struct __queue *pfree_recv_ return _SUCCESS; } - - - signed int _rtw_enqueue_recvframe(union recv_frame *precvframe, struct __queue *queue) { @@ -189,7 +185,6 @@ signed int _rtw_enqueue_recvframe(union recv_frame *precvframe, struct __queue * /* INIT_LIST_HEAD(&(precvframe->u.hdr.list)); */ list_del_init(&(precvframe->u.hdr.list)); - list_add_tail(&(precvframe->u.hdr.list), get_list_head(queue)); if (padapter) @@ -254,7 +249,6 @@ u32 rtw_free_uc_swdec_pending_queue(struct adapter *adapter) return cnt; } - signed int rtw_enqueue_recvbuf_to_head(struct recv_buf *precvbuf, struct __queue *queue) { spin_lock_bh(&queue->lock); @@ -402,7 +396,6 @@ static signed int recvframe_chkmic(struct adapter *adapter, union recv_frame *p bmic_err = true; } - if (bmic_err == true) { /* double check key_index for some timing issue , */ /* cannot compare with psecuritypriv->dot118021XGrpKeyid also cause timing issue */ @@ -769,8 +762,6 @@ static signed int sta2sta_data_frame(struct adapter *adapter, union recv_frame * } else ret = _FAIL; - - if (bmcast) *psta = rtw_get_bcmc_stainfo(adapter); else @@ -814,7 +805,6 @@ static signed int ap2sta_data_frame(struct adapter *adapter, union recv_frame *p goto exit; } - /* check BSSID */ if (is_zero_ether_addr(pattrib->bssid) || is_zero_ether_addr(mybssid) || @@ -855,14 +845,12 @@ static signed int ap2sta_data_frame(struct adapter *adapter, union recv_frame *p /* */ memcpy(pattrib->bssid, mybssid, ETH_ALEN); - *psta = rtw_get_stainfo(pstapriv, pattrib->bssid); /* get sta_info */ if (!*psta) { ret = _FAIL; goto exit; } - } else if (check_fwstate(pmlmepriv, WIFI_AP_STATE) == true) { /* Special case */ ret = RTW_RX_HANDLED; @@ -1106,7 +1094,6 @@ static union recv_frame *recvframe_defrag(struct adapter *adapter, pnextrframe = (union recv_frame *)plist; pnfhdr = &pnextrframe->u.hdr; - /* check the fragment sequence (2nd ~n fragment frame) */ if (curfragnum != pnfhdr->attrib.frag_num) { @@ -1194,7 +1181,6 @@ static union recv_frame *recvframe_chk_defrag(struct adapter *padapter, union re /* free current defrag_q */ rtw_free_recvframe_queue(pdefrag_q, pfree_recv_queue); - /* Then enqueue the 0~(n-1) fragment into the defrag_q */ /* spin_lock(&pdefrag_q->lock); */ @@ -1233,7 +1219,6 @@ static union recv_frame *recvframe_chk_defrag(struct adapter *padapter, union re } - if ((prtnframe) && (prtnframe->u.hdr.attrib.privacy)) { /* after defrag we must check tkip mic code */ if (recvframe_chkmic(padapter, prtnframe) == _FAIL) { @@ -1346,7 +1331,6 @@ static signed int validate_recv_data_frame(struct adapter *adapter, union recv_f if (ret == _FAIL || ret == RTW_RX_HANDLED) goto exit; - if (!psta) { ret = _FAIL; goto exit; @@ -1356,7 +1340,6 @@ static signed int validate_recv_data_frame(struct adapter *adapter, union recv_f /* psta->signal_quality = prxcmd->sq; */ precv_frame->u.hdr.psta = psta; - pattrib->amsdu = 0; pattrib->ack_policy = 0; /* parsing QC field */ @@ -1374,7 +1357,6 @@ static signed int validate_recv_data_frame(struct adapter *adapter, union recv_f pattrib->hdrlen = pattrib->to_fr_ds == 3 ? 30 : 24; } - if (pattrib->order)/* HT-CTRL 11n */ pattrib->hdrlen += 4; @@ -1824,7 +1806,6 @@ static int enqueue_reorder_recvframe(struct recv_reorder_ctrl *preorder_ctrl, un /* spin_lock_irqsave(&ppending_recvframe_queue->lock, irql); */ /* spin_lock(&ppending_recvframe_queue->lock); */ - phead = get_list_head(ppending_recvframe_queue); plist = get_next(phead); @@ -1843,7 +1824,6 @@ static int enqueue_reorder_recvframe(struct recv_reorder_ctrl *preorder_ctrl, un } - /* spin_lock_irqsave(&ppending_recvframe_queue->lock, irql); */ /* spin_lock(&ppending_recvframe_queue->lock); */ @@ -1959,7 +1939,6 @@ static int recv_indicatepkts_in_order(struct adapter *padapter, struct recv_reor /* error condition; */ } - /* Update local variables. */ bPktInBuf = false; @@ -2034,7 +2013,6 @@ static int recv_indicatepkt_reorder(struct adapter *padapter, union recv_frame * goto _err_exit; } - /* s4. */ /* Indication process. */ /* After Packet dropping and Sliding Window shifting as above, we can now just indicate the packets */ @@ -2062,7 +2040,6 @@ _err_exit: return _FAIL; } - void rtw_reordering_ctrl_timeout_handler(struct timer_list *t) { struct recv_reorder_ctrl *preorder_ctrl = @@ -2070,7 +2047,6 @@ void rtw_reordering_ctrl_timeout_handler(struct timer_list *t) struct adapter *padapter = preorder_ctrl->padapter; struct __queue *ppending_recvframe_queue = &preorder_ctrl->pending_recvframe_queue; - if (padapter->bDriverStopped || padapter->bSurpriseRemoved) return; @@ -2218,7 +2194,6 @@ exit: return ret; } - s32 rtw_recv_entry(union recv_frame *precvframe) { struct adapter *padapter; diff --git a/drivers/staging/rtl8723bs/core/rtw_wlan_util.c b/drivers/staging/rtl8723bs/core/rtw_wlan_util.c index 3762ae6c4c65d..cc1a7497764c9 100644 --- a/drivers/staging/rtl8723bs/core/rtw_wlan_util.c +++ b/drivers/staging/rtl8723bs/core/rtw_wlan_util.c @@ -340,7 +340,6 @@ void set_channel_bwmode(struct adapter *padapter, unsigned char channel, unsigne center_ch = rtw_get_center_ch(channel, bwmode, channel_offset); - /* set Channel */ if (mutex_lock_interruptible(&(adapter_to_dvobj(padapter)->setch_mutex))) return;