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path: root/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
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Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/cmd.c')
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/cmd.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
index 93a6597366f5..ebf5b30b2100 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
@@ -114,15 +114,18 @@ static u8 alloc_token(struct mlx5_cmd *cmd)
return token;
}
-static int cmd_alloc_index(struct mlx5_cmd *cmd)
+static int cmd_alloc_index(struct mlx5_cmd *cmd, struct mlx5_cmd_work_ent *ent)
{
unsigned long flags;
int ret;
spin_lock_irqsave(&cmd->alloc_lock, flags);
ret = find_first_bit(&cmd->bitmask, cmd->max_reg_cmds);
- if (ret < cmd->max_reg_cmds)
+ if (ret < cmd->max_reg_cmds) {
clear_bit(ret, &cmd->bitmask);
+ ent->idx = ret;
+ cmd->ent_arr[ent->idx] = ent;
+ }
spin_unlock_irqrestore(&cmd->alloc_lock, flags);
return ret < cmd->max_reg_cmds ? ret : -ENOMEM;
@@ -905,7 +908,7 @@ static void cmd_work_handler(struct work_struct *work)
sem = ent->page_queue ? &cmd->pages_sem : &cmd->sem;
down(sem);
if (!ent->page_queue) {
- alloc_ret = cmd_alloc_index(cmd);
+ alloc_ret = cmd_alloc_index(cmd, ent);
if (alloc_ret < 0) {
mlx5_core_err(dev, "failed to allocate command entry\n");
if (ent->callback) {
@@ -920,15 +923,14 @@ static void cmd_work_handler(struct work_struct *work)
up(sem);
return;
}
- ent->idx = alloc_ret;
} else {
ent->idx = cmd->max_reg_cmds;
spin_lock_irqsave(&cmd->alloc_lock, flags);
clear_bit(ent->idx, &cmd->bitmask);
+ cmd->ent_arr[ent->idx] = ent;
spin_unlock_irqrestore(&cmd->alloc_lock, flags);
}
- cmd->ent_arr[ent->idx] = ent;
lay = get_inst(cmd, ent->idx);
ent->lay = lay;
memset(lay, 0, sizeof(*lay));