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mt7603: fix handling of rx header padding

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Signed-off-by: Felix Fietkau <[email protected]>
This commit is contained in:
Felix Fietkau
2015-12-16 13:37:05 +01:00
parent 8092eb51e7
commit bdd74669eb
1 changed files with 4 additions and 1 deletions
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mt7603_mac.c
+4 -1
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@@ -141,6 +141,7 @@ mt7603_mac_fill_rx(struct mt7603_dev *dev, struct sk_buff *skb)
struct ieee80211_supported_band *sband;
__le32 *rxd = (__le32 *) skb->data;
u32 rxd0 = le32_to_cpu(rxd[0]);
bool remove_pad;
int i;
memset(status, 0, sizeof(*status));
@@ -161,6 +162,8 @@ mt7603_mac_fill_rx(struct mt7603_dev *dev, struct sk_buff *skb)
!(rxd[2] & (MT_RXD2_NORMAL_CLM | MT_RXD2_NORMAL_CM)))
status->rx_flags |= RX_FLAG_DECRYPTED;
remove_pad = rxd[1] & MT_RXD1_NORMAL_HDR_OFFSET;
if (rxd[2] & MT_RXD2_NORMAL_MAX_LEN_ERROR)
return -EINVAL;
@@ -218,7 +221,7 @@ mt7603_mac_fill_rx(struct mt7603_dev *dev, struct sk_buff *skb)
return -EINVAL;
}
skb_pull(skb, (u8 *) rxd - skb->data);
skb_pull(skb, (u8 *) rxd - skb->data + 2 * remove_pad);
return 0;
}