As done for mt76_connac_mcu_alloc_wtbl_req, even if this is not a real
bug since mt7915_mcu_alloc_wtbl_req routine can fails just if nskb is NULL,
always check return value from mt7915_mcu_alloc_wtbl_req in order to avoid
possible future mistake.
Signed-off-by: Lorenzo Bianconi <lorenzo@xxxxxxxxxx>
---
drivers/net/wireless/mediatek/mt76/mt7915/mcu.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
index 195929242b72..12281e4cf817 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
@@ -1188,6 +1188,9 @@ mt7915_mcu_sta_ba(struct mt7915_dev *dev,
wtbl_hdr = mt7915_mcu_alloc_wtbl_req(dev, msta, WTBL_SET, sta_wtbl,
&skb);
+ if (IS_ERR(wtbl_hdr))
+ return PTR_ERR(wtbl_hdr);
+
mt7915_mcu_wtbl_ba_tlv(skb, params, enable, tx, sta_wtbl, wtbl_hdr);
ret = mt76_mcu_skb_send_msg(&dev->mt76, skb,
@@ -1704,6 +1707,9 @@ int mt7915_mcu_sta_update_hdr_trans(struct mt7915_dev *dev,
return -ENOMEM;
wtbl_hdr = mt7915_mcu_alloc_wtbl_req(dev, msta, WTBL_SET, NULL, &skb);
+ if (IS_ERR(wtbl_hdr))
+ return PTR_ERR(wtbl_hdr);
+
mt7915_mcu_wtbl_hdr_trans_tlv(skb, vif, sta, NULL, wtbl_hdr);
return mt76_mcu_skb_send_msg(&dev->mt76, skb, MCU_EXT_CMD(WTBL_UPDATE),
@@ -1728,6 +1734,9 @@ int mt7915_mcu_add_smps(struct mt7915_dev *dev, struct ieee80211_vif *vif,
wtbl_hdr = mt7915_mcu_alloc_wtbl_req(dev, msta, WTBL_SET, sta_wtbl,
&skb);
+ if (IS_ERR(wtbl_hdr))
+ return PTR_ERR(wtbl_hdr);
+
mt7915_mcu_wtbl_smps_tlv(skb, sta, sta_wtbl, wtbl_hdr);
return mt76_mcu_skb_send_msg(&dev->mt76, skb,
@@ -2253,6 +2262,9 @@ int mt7915_mcu_add_sta(struct mt7915_dev *dev, struct ieee80211_vif *vif,
wtbl_hdr = mt7915_mcu_alloc_wtbl_req(dev, msta, WTBL_RESET_AND_SET,
sta_wtbl, &skb);
+ if (IS_ERR(wtbl_hdr))
+ return PTR_ERR(wtbl_hdr);
+
if (enable) {
mt7915_mcu_wtbl_generic_tlv(skb, vif, sta, sta_wtbl, wtbl_hdr);
mt7915_mcu_wtbl_hdr_trans_tlv(skb, vif, sta, sta_wtbl, wtbl_hdr);
--
2.29.2
