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net: stmmac: Fix TSO descriptor with Enhanced Addressing

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When using addressing > 32 bits the TSO first descriptor only has the
header so we can't set the payload field for this descriptor. Let's
reset the variable so that buffer 2 value is zero.

Fixes: a993db88d1 ("net: stmmac: Enable support for > 32 Bits addressing in XGMAC")
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jose Abreu 2019-11-06 16:03:04 +01:00 committed by David S. Miller
parent cda4985a3e
commit b2f071995b
1 changed files with 1 additions and 0 deletions
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drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
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@ -2996,6 +2996,7 @@ static netdev_tx_t stmmac_tso_xmit(struct sk_buff *skb, struct net_device *dev)
stmmac_set_desc_addr(priv, first, des);
tmp_pay_len = pay_len;
des += proto_hdr_len;
pay_len = 0;
}
stmmac_tso_allocator(priv, des, tmp_pay_len, (nfrags == 0), queue);