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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>
This commit is contained in:
Yevgeny Petrilin 2012-03-06 04:04:26 +00:00 committed by David S. Miller
parent 39b2c4ebb4
commit 2ab573c586
1 changed files with 6 additions and 4 deletions
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10
drivers/net/ethernet/mellanox/mlx4/port.c
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@ -79,13 +79,14 @@ static int mlx4_uc_steer_add(struct mlx4_dev *dev, u8 port, u64 mac, int *qpn)
{
struct mlx4_qp qp;
u8 gid[16] = {0};
__be64 be_mac;
int err;
qp.qpn = *qpn;
mac &= 0xffffffffffffULL;
mac = cpu_to_be64(mac << 16);
memcpy(&gid[10], &mac, ETH_ALEN);
be_mac = cpu_to_be64(mac << 16);
memcpy(&gid[10], &be_mac, ETH_ALEN);
gid[5] = port;
err = mlx4_unicast_attach(dev, &qp, gid, 0, MLX4_PROT_ETH);
@ -100,11 +101,12 @@ static void mlx4_uc_steer_release(struct mlx4_dev *dev, u8 port,
{
struct mlx4_qp qp;
u8 gid[16] = {0};
__be64 be_mac;
qp.qpn = qpn;
mac &= 0xffffffffffffULL;
mac = cpu_to_be64(mac << 16);
memcpy(&gid[10], &mac, ETH_ALEN);
be_mac = cpu_to_be64(mac << 16);
memcpy(&gid[10], &be_mac, ETH_ALEN);
gid[5] = port;
mlx4_unicast_detach(dev, &qp, gid, MLX4_PROT_ETH);