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mlx4: remove unnecessary variables and arguments

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mlx4_qp_attach/detach_common() don't use hash variable, move it to find_entry()
static find_entry() in mcg.c doesn't use steer argument

Signed-off-by: Eugenia Emantayev <eugenia@mellanox.co.il>
Reviewed-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eugenia Emantayev 2012-02-14 06:37:46 +00:00 committed by David S. Miller
parent 45b5136551
commit deb8b3e849
1 changed files with 10 additions and 12 deletions
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22
drivers/net/ethernet/mellanox/mlx4/mcg.c
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@ -562,14 +562,14 @@ out_mutex:
*/
static int find_entry(struct mlx4_dev *dev, u8 port,
u8 *gid, enum mlx4_protocol prot,
enum mlx4_steer_type steer,
struct mlx4_cmd_mailbox *mgm_mailbox,
u16 *hash, int *prev, int *index)
int *prev, int *index)
{
struct mlx4_cmd_mailbox *mailbox;
struct mlx4_mgm *mgm = mgm_mailbox->buf;
u8 *mgid;
int err;
u16 hash;
u8 op_mod = (prot == MLX4_PROT_ETH) ?
!!(dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_MC_STEER) : 0;
@ -580,15 +580,15 @@ static int find_entry(struct mlx4_dev *dev, u8 port,
memcpy(mgid, gid, 16);
err = mlx4_GID_HASH(dev, mailbox, hash, op_mod);
err = mlx4_GID_HASH(dev, mailbox, &hash, op_mod);
mlx4_free_cmd_mailbox(dev, mailbox);
if (err)
return err;
if (0)
mlx4_dbg(dev, "Hash for %pI6 is %04x\n", gid, *hash);
mlx4_dbg(dev, "Hash for %pI6 is %04x\n", gid, hash);
*index = *hash;
*index = hash;
*prev = -1;
do {
@ -597,7 +597,7 @@ static int find_entry(struct mlx4_dev *dev, u8 port,
return err;
if (!(be32_to_cpu(mgm->members_count) & 0xffffff)) {
if (*index != *hash) {
if (*index != hash) {
mlx4_err(dev, "Found zero MGID in AMGM.\n");
err = -EINVAL;
}
@ -624,7 +624,6 @@ int mlx4_qp_attach_common(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
struct mlx4_cmd_mailbox *mailbox;
struct mlx4_mgm *mgm;
u32 members_count;
u16 hash;
int index, prev;
int link = 0;
int i;
@ -638,8 +637,8 @@ int mlx4_qp_attach_common(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
mgm = mailbox->buf;
mutex_lock(&priv->mcg_table.mutex);
err = find_entry(dev, port, gid, prot, steer,
mailbox, &hash, &prev, &index);
err = find_entry(dev, port, gid, prot,
mailbox, &prev, &index);
if (err)
goto out;
@ -733,7 +732,6 @@ int mlx4_qp_detach_common(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
struct mlx4_cmd_mailbox *mailbox;
struct mlx4_mgm *mgm;
u32 members_count;
u16 hash;
int prev, index;
int i, loc;
int err;
@ -747,8 +745,8 @@ int mlx4_qp_detach_common(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16],
mutex_lock(&priv->mcg_table.mutex);
err = find_entry(dev, port, gid, prot, steer,
mailbox, &hash, &prev, &index);
err = find_entry(dev, port, gid, prot,
mailbox, &prev, &index);
if (err)
goto out;