Properly check returned values from mcu utility routines in
mt7615_ops.
Signed-off-by: Ryder Lee <ryder.lee@xxxxxxxxxxxx>
---
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,
--
2.18.0
