| Message ID | d6a2d4791153949ec5ba01f182a5a973bf67a8dd.1613130548.git.lorenzo@kernel.org (mailing list archive) |
|---|---|
| State | Accepted |
| Delegated to: | Felix Fietkau |
| Headers | show |
| Series | mt76: connac: always check return value from mt76_connac_mcu_alloc_wtbl_req | expand |
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c index 7e0046a20143..4e826acd7843 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c @@ -1032,6 +1032,9 @@ mt7615_mcu_sta_ba(struct mt7615_dev *dev, wtbl_hdr = mt76_connac_mcu_alloc_wtbl_req(&dev->mt76, &msta->wcid, WTBL_SET, sta_wtbl, &skb); + if (IS_ERR(wtbl_hdr)) + return PTR_ERR(wtbl_hdr); + mt76_connac_mcu_wtbl_ba_tlv(&dev->mt76, skb, params, enable, tx, sta_wtbl, wtbl_hdr); diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c index 3d139ecff84e..06111ef6f398 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c @@ -833,6 +833,9 @@ int mt76_connac_mcu_add_sta_cmd(struct mt76_phy *phy, wtbl_hdr = mt76_connac_mcu_alloc_wtbl_req(dev, wcid, WTBL_RESET_AND_SET, sta_wtbl, &skb); + if (IS_ERR(wtbl_hdr)) + return PTR_ERR(wtbl_hdr); + if (enable) { mt76_connac_mcu_wtbl_generic_tlv(dev, skb, vif, sta, sta_wtbl, wtbl_hdr);
Even if this is not a real bug since mt76_connac_mcu_alloc_wtbl_req routine can fails just if nskb is NULL , always check return value from mt76_connac_mcu_alloc_wtbl_req in order to avoid possible future mistake. Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> --- drivers/net/wireless/mediatek/mt76/mt7615/mcu.c | 3 +++ drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c | 3 +++ 2 files changed, 6 insertions(+)