net/mlx4: fixing sparse warnings when copying mac, address to gid entry
The mac should be written as __be64 the gid. The warning was because we changed the mac parameter, which is u64, by writing result of cpu_to_be64 into it. Fixing by using new variable of type __be64. Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -79,13 +79,14 @@ static int mlx4_uc_steer_add(struct mlx4_dev *dev, u8 port, u64 mac, int *qpn)
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{
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struct mlx4_qp qp;
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u8 gid[16] = {0};
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__be64 be_mac;
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int err;
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qp.qpn = *qpn;
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mac &= 0xffffffffffffULL;
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mac = cpu_to_be64(mac << 16);
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memcpy(&gid[10], &mac, ETH_ALEN);
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be_mac = cpu_to_be64(mac << 16);
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memcpy(&gid[10], &be_mac, ETH_ALEN);
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gid[5] = port;
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err = mlx4_unicast_attach(dev, &qp, gid, 0, MLX4_PROT_ETH);
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@ -100,11 +101,12 @@ static void mlx4_uc_steer_release(struct mlx4_dev *dev, u8 port,
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{
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struct mlx4_qp qp;
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u8 gid[16] = {0};
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__be64 be_mac;
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qp.qpn = qpn;
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mac &= 0xffffffffffffULL;
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mac = cpu_to_be64(mac << 16);
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memcpy(&gid[10], &mac, ETH_ALEN);
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be_mac = cpu_to_be64(mac << 16);
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memcpy(&gid[10], &be_mac, ETH_ALEN);
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gid[5] = port;
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mlx4_unicast_detach(dev, &qp, gid, MLX4_PROT_ETH);
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