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ethernet: atheros: fix return value check in atl1c_tso_csum()
[ Upstream commit 8d01da0a1d
]
in atl1c_tso_csum, it should check the return value of pskb_trim(),
and return an error code if an unexpected value is returned
by pskb_trim().
Signed-off-by: Yuanjun Gong <ruc_gongyuanjun@163.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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2edb61b37d
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1 changed files with 5 additions and 2 deletions
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@ -2002,8 +2002,11 @@ static int atl1c_tso_csum(struct atl1c_adapter *adapter,
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real_len = (((unsigned char *)ip_hdr(skb) - skb->data)
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+ ntohs(ip_hdr(skb)->tot_len));
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if (real_len < skb->len)
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pskb_trim(skb, real_len);
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if (real_len < skb->len) {
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err = pskb_trim(skb, real_len);
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if (err)
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return err;
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}
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hdr_len = (skb_transport_offset(skb) + tcp_hdrlen(skb));
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if (unlikely(skb->len == hdr_len)) {
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