From 706dc08c2936be970f171e6b095db99493406c72 Mon Sep 17 00:00:00 2001 From: Lorenzo Bianconi Date: Sun, 12 Sep 2021 17:49:50 +0200 Subject: [PATCH] mt76: mt7915: honor all possible error conditions in mt7915_mcu_init() Check all possible errors returned in mt7915_mcu_init routine. Signed-off-by: Lorenzo Bianconi Signed-off-by: Felix Fietkau --- drivers/net/wireless/mediatek/mt76/mt7915/mcu.c | 17 +++++++++++------ 1 file changed, 11 insertions(+), 6 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c index 5a3dc04de31f..f07d935c52b2 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c @@ -416,7 +416,7 @@ exit: return mt76_tx_queue_skb_raw(dev, mdev->q_mcu[qid], skb, 0); } -static void +static int mt7915_mcu_wa_cmd(struct mt7915_dev *dev, int cmd, u32 a1, u32 a2, u32 a3) { struct { @@ -429,7 +429,7 @@ mt7915_mcu_wa_cmd(struct mt7915_dev *dev, int cmd, u32 a1, u32 a2, u32 a3) }, }; - mt76_mcu_send_msg(&dev->mt76, cmd, &req, sizeof(req), true); + return mt76_mcu_send_msg(&dev->mt76, cmd, &req, sizeof(req), true); } static void @@ -2889,11 +2889,16 @@ int mt7915_mcu_init(struct mt7915_dev *dev) return ret; set_bit(MT76_STATE_MCU_RUNNING, &dev->mphy.state); - mt7915_mcu_fw_log_2_host(dev, 0); - mt7915_mcu_set_mwds(dev, 1); - mt7915_mcu_wa_cmd(dev, MCU_WA_PARAM_CMD(SET), MCU_WA_PARAM_RED, 0, 0); + ret = mt7915_mcu_fw_log_2_host(dev, 0); + if (ret) + return ret; - return 0; + ret = mt7915_mcu_set_mwds(dev, 1); + if (ret) + return ret; + + return mt7915_mcu_wa_cmd(dev, MCU_WA_PARAM_CMD(SET), + MCU_WA_PARAM_RED, 0, 0); } void mt7915_mcu_exit(struct mt7915_dev *dev)