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wifi: mt76: replace skb_put with skb_put_zero

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Avoid potentially reusing uninitialized data

Signed-off-by: Felix Fietkau <[email protected]>
This commit is contained in:
Felix Fietkau
2024-03-15 17:07:47 +01:00
parent a238df940d
commit 46c7d1849d
2 changed files with 6 additions and 6 deletions
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mt76_connac_mcu.c
+5 -5
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@@ -257,7 +257,7 @@ mt76_connac_mcu_add_nested_tlv(struct sk_buff *skb, int tag, int len,
};
u16 ntlv;
ptlv = skb_put(skb, len);
ptlv = skb_put_zero(skb, len);
memcpy(ptlv, &tlv, sizeof(tlv));
ntlv = le16_to_cpu(ntlv_hdr->tlv_num);
@@ -1670,7 +1670,7 @@ int mt76_connac_mcu_hw_scan(struct mt76_phy *phy, struct ieee80211_vif *vif,
set_bit(MT76_HW_SCANNING, &phy->state);
mvif->scan_seq_num = (mvif->scan_seq_num + 1) & 0x7f;
req = (struct mt76_connac_hw_scan_req *)skb_put(skb, sizeof(*req));
req = (struct mt76_connac_hw_scan_req *)skb_put_zero(skb, sizeof(*req));
req->seq_num = mvif->scan_seq_num | mvif->band_idx << 7;
req->bss_idx = mvif->idx;
@@ -1798,7 +1798,7 @@ int mt76_connac_mcu_sched_scan_req(struct mt76_phy *phy,
mvif->scan_seq_num = (mvif->scan_seq_num + 1) & 0x7f;
req = (struct mt76_connac_sched_scan_req *)skb_put(skb, sizeof(*req));
req = (struct mt76_connac_sched_scan_req *)skb_put_zero(skb, sizeof(*req));
req->version = 1;
req->seq_num = mvif->scan_seq_num | mvif->band_idx << 7;
@@ -2321,7 +2321,7 @@ int mt76_connac_mcu_update_gtk_rekey(struct ieee80211_hw *hw,
return -ENOMEM;
skb_put_data(skb, &hdr, sizeof(hdr));
gtk_tlv = (struct mt76_connac_gtk_rekey_tlv *)skb_put(skb,
gtk_tlv = (struct mt76_connac_gtk_rekey_tlv *)skb_put_zero(skb,
sizeof(*gtk_tlv));
gtk_tlv->tag = cpu_to_le16(UNI_OFFLOAD_OFFLOAD_GTK_REKEY);
gtk_tlv->len = cpu_to_le16(sizeof(*gtk_tlv));
@@ -2446,7 +2446,7 @@ mt76_connac_mcu_set_wow_pattern(struct mt76_dev *dev,
return -ENOMEM;
skb_put_data(skb, &hdr, sizeof(hdr));
ptlv = (struct mt76_connac_wow_pattern_tlv *)skb_put(skb, sizeof(*ptlv));
ptlv = (struct mt76_connac_wow_pattern_tlv *)skb_put_zero(skb, sizeof(*ptlv));
ptlv->tag = cpu_to_le16(UNI_SUSPEND_WOW_PATTERN);
ptlv->len = cpu_to_le16(sizeof(*ptlv));
ptlv->data_len = pattern->pattern_len;