From patchwork Fri Mar 5 15:52:59 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ryder Lee X-Patchwork-Id: 12118797 X-Patchwork-Delegate: nbd@nbd.name Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A3B88C433DB for ; Fri, 5 Mar 2021 15:56:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5FEC765046 for ; Fri, 5 Mar 2021 15:56:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230098AbhCEPzd (ORCPT ); Fri, 5 Mar 2021 10:55:33 -0500 Received: from mailgw02.mediatek.com ([210.61.82.184]:35152 "EHLO mailgw02.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S229558AbhCEPzB (ORCPT ); Fri, 5 Mar 2021 10:55:01 -0500 X-UUID: 421c960ee40d44c99ce03cf086a738ed-20210305 X-UUID: 421c960ee40d44c99ce03cf086a738ed-20210305 Received: from mtkmrs01.mediatek.inc [(172.21.131.159)] by mailgw02.mediatek.com (envelope-from ) (Cellopoint E-mail Firewall v4.1.14 Build 0819 with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 1183807862; Fri, 05 Mar 2021 23:54:47 +0800 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkmbs08n1.mediatek.inc (172.21.101.55) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Fri, 5 Mar 2021 23:54:45 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Fri, 5 Mar 2021 23:54:45 +0800 From: Ryder Lee To: Felix Fietkau , Lorenzo Bianconi CC: Shayne Chen , , , Ryder Lee Subject: [PATCH v2] mt76: mt7615: check mcu returned values in mt7615_ops Date: Fri, 5 Mar 2021 23:52:59 +0800 Message-ID: <4f718052b030971f288ef6eb1b0d215200555ce5.1614959356.git.ryder.lee@mediatek.com> X-Mailer: git-send-email 2.18.0 MIME-Version: 1.0 X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Properly check returned values from mcu utility routines in mt7615_ops. Signed-off-by: Ryder Lee --- changes since v2: check more returned values in non-void funcitons --- .../net/wireless/mediatek/mt76/mt7615/main.c | 90 +++++++++++++------ 1 file changed, 64 insertions(+), 26 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/main.c b/drivers/net/wireless/mediatek/mt76/mt7615/main.c index 68accb37ea28..0a83abf7315c 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/main.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/main.c @@ -29,6 +29,7 @@ static int mt7615_start(struct ieee80211_hw *hw) struct mt7615_dev *dev = mt7615_hw_dev(hw); struct mt7615_phy *phy = mt7615_hw_phy(hw); bool running; + int ret; if (!mt7615_wait_for_mcu_init(dev)) return -EIO; @@ -38,21 +39,38 @@ static int mt7615_start(struct ieee80211_hw *hw) running = mt7615_dev_running(dev); if (!running) { - mt7615_mcu_set_pm(dev, 0, 0); - mt76_connac_mcu_set_mac_enable(&dev->mt76, 0, true, false); + ret = mt7615_mcu_set_pm(dev, 0, 0); + if (ret) + goto out; + + ret = mt76_connac_mcu_set_mac_enable(&dev->mt76, 0, true, false); + if (ret) + goto out; + mt7615_mac_enable_nf(dev, 0); } if (phy != &dev->phy) { - mt7615_mcu_set_pm(dev, 1, 0); - mt76_connac_mcu_set_mac_enable(&dev->mt76, 1, true, false); + ret = mt7615_mcu_set_pm(dev, 1, 0); + if (ret) + goto out; + + ret = mt76_connac_mcu_set_mac_enable(&dev->mt76, 1, true, false); + if (ret) + goto out; + mt7615_mac_enable_nf(dev, 1); } - if (mt7615_firmware_offload(dev)) - mt76_connac_mcu_set_channel_domain(phy->mt76); + if (mt7615_firmware_offload(dev)) { + ret = mt76_connac_mcu_set_channel_domain(phy->mt76); + if (ret) + goto out; + } - mt7615_mcu_set_chan_info(phy, MCU_EXT_CMD_SET_RX_PATH); + ret = mt7615_mcu_set_chan_info(phy, MCU_EXT_CMD_SET_RX_PATH); + if (ret) + goto out; set_bit(MT76_STATE_RUNNING, &phy->mt76->state); @@ -62,9 +80,10 @@ static int mt7615_start(struct ieee80211_hw *hw) if (!running) mt7615_mac_reset_counters(dev); +out: mt7615_mutex_release(dev); - return 0; + return ret; } static void mt7615_stop(struct ieee80211_hw *hw) @@ -197,7 +216,9 @@ static int mt7615_add_interface(struct ieee80211_hw *hw, dev->omac_mask |= BIT_ULL(mvif->mt76.omac_idx); phy->omac_mask |= BIT_ULL(mvif->mt76.omac_idx); - mt7615_mcu_set_dbdc(dev); + ret = mt7615_mcu_set_dbdc(dev); + if (ret) + goto out; idx = MT7615_WTBL_RESERVED - mvif->mt76.idx; @@ -296,8 +317,13 @@ int mt7615_set_channel(struct mt7615_phy *phy) mt76_set_channel(phy->mt76); if (is_mt7615(&dev->mt76) && dev->flash_eeprom) { - mt7615_mcu_apply_rx_dcoc(phy); - mt7615_mcu_apply_tx_dpd(phy); + ret = mt7615_mcu_apply_rx_dcoc(phy); + if (ret) + goto out; + + ret = mt7615_mcu_apply_tx_dpd(phy); + if (ret) + goto out; } ret = mt7615_mcu_set_chan_info(phy, MCU_EXT_CMD_CHANNEL_SWITCH); @@ -306,8 +332,13 @@ int mt7615_set_channel(struct mt7615_phy *phy) mt7615_mac_set_timing(phy); ret = mt7615_dfs_init_radar_detector(phy); + if (ret) + goto out; + mt7615_mac_cca_stats_reset(phy); - mt7615_mcu_set_sku_en(phy, true); + ret = mt7615_mcu_set_sku_en(phy, true); + if (ret) + goto out; mt7615_mac_reset_counters(dev); phy->noise = 0; @@ -587,15 +618,21 @@ int mt7615_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif, if (err) return err; - if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) - mt7615_mcu_add_bss_info(phy, vif, sta, true); + if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) { + err = mt7615_mcu_add_bss_info(phy, vif, sta, true); + if (err) + return err; + } + mt7615_mac_wtbl_update(dev, idx, MT_WTBL_UPDATE_ADM_COUNT_CLEAR); - mt7615_mcu_sta_add(&dev->phy, vif, sta, true); + err = mt7615_mcu_sta_add(&dev->phy, vif, sta, true); + if (err) + return err; mt76_connac_power_save_sched(phy->mt76, &dev->pm); - return 0; + return err; } EXPORT_SYMBOL_GPL(mt7615_mac_sta_add); @@ -715,13 +752,13 @@ static int mt7615_set_rts_threshold(struct ieee80211_hw *hw, u32 val) { struct mt7615_dev *dev = mt7615_hw_dev(hw); struct mt7615_phy *phy = mt7615_hw_phy(hw); - int band = phy != &dev->phy; + int err, band = phy != &dev->phy; mt7615_mutex_acquire(dev); - mt76_connac_mcu_set_rts_thresh(&dev->mt76, val, band); + err = mt76_connac_mcu_set_rts_thresh(&dev->mt76, val, band); mt7615_mutex_release(dev); - return 0; + return err; } static int @@ -749,16 +786,16 @@ mt7615_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, case IEEE80211_AMPDU_RX_START: mt76_rx_aggr_start(&dev->mt76, &msta->wcid, tid, ssn, params->buf_size); - mt7615_mcu_add_rx_ba(dev, params, true); + ret = mt7615_mcu_add_rx_ba(dev, params, true); break; case IEEE80211_AMPDU_RX_STOP: mt76_rx_aggr_stop(&dev->mt76, &msta->wcid, tid); - mt7615_mcu_add_rx_ba(dev, params, false); + ret = mt7615_mcu_add_rx_ba(dev, params, false); break; case IEEE80211_AMPDU_TX_OPERATIONAL: mtxq->aggr = true; mtxq->send_bar = false; - mt7615_mcu_add_tx_ba(dev, params, true); + ret = mt7615_mcu_add_tx_ba(dev, params, true); ssn = mt7615_mac_get_sta_tid_sn(dev, msta->wcid.idx, tid); ieee80211_send_bar(vif, sta->addr, tid, IEEE80211_SN_TO_SEQ(ssn)); @@ -766,7 +803,7 @@ mt7615_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, case IEEE80211_AMPDU_TX_STOP_FLUSH: case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: mtxq->aggr = false; - mt7615_mcu_add_tx_ba(dev, params, false); + ret = mt7615_mcu_add_tx_ba(dev, params, false); break; case IEEE80211_AMPDU_TX_START: ssn = mt7615_mac_get_sta_tid_sn(dev, msta->wcid.idx, tid); @@ -775,7 +812,7 @@ mt7615_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, break; case IEEE80211_AMPDU_TX_STOP_CONT: mtxq->aggr = false; - mt7615_mcu_add_tx_ba(dev, params, false); + ret = mt7615_mcu_add_tx_ba(dev, params, false); ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); break; } @@ -1085,6 +1122,7 @@ static int mt7615_cancel_remain_on_channel(struct ieee80211_hw *hw, struct ieee80211_vif *vif) { struct mt7615_phy *phy = mt7615_hw_phy(hw); + int err; if (!test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state)) return 0; @@ -1093,10 +1131,10 @@ static int mt7615_cancel_remain_on_channel(struct ieee80211_hw *hw, cancel_work_sync(&phy->roc_work); mt7615_mutex_acquire(phy->dev); - mt7615_mcu_set_roc(phy, vif, NULL, 0); + err = mt7615_mcu_set_roc(phy, vif, NULL, 0); mt7615_mutex_release(phy->dev); - return 0; + return err; } static void mt7615_sta_set_decap_offload(struct ieee80211_hw *hw,