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net/mlx5: fix UAR remap initialization for 32-bit systems

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The txq_uar_init() routine uses the uninitialized uar_mmap_offset
field in 32-bit configurations due to this field is initialized
after txq_uar_init() call.

Fixes: 120dc4a7dcd3 ("net/mlx5: remove device register remap")
Cc: stable@dpdk.org

Signed-off-by: Viacheslav Ovsiienko <viacheslavo@mellanox.com>
Acked-by: Matan Azrad <matan@mellanox.com>
This commit is contained in:
Viacheslav Ovsiienko 2019-09-18 06:54:11 +00:00 committed by Ferruh Yigit
parent e289400669
commit 06def9bc4e
1 changed files with 1 additions and 1 deletions
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2
drivers/net/mlx5/mlx5_txq.c
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@ -572,7 +572,6 @@ mlx5_txq_ibv_new(struct rte_eth_dev *dev, uint16_t idx)
txq_ibv->cq = tmpl.cq;
rte_atomic32_inc(&txq_ibv->refcnt);
txq_ctrl->bf_reg = qp.bf.reg;
txq_uar_init(txq_ctrl);
if (qp.comp_mask & MLX5DV_QP_MASK_UAR_MMAP_OFFSET) {
txq_ctrl->uar_mmap_offset = qp.uar_mmap_offset;
DRV_LOG(DEBUG, "port %u: uar_mmap_offset 0x%"PRIx64,
@ -585,6 +584,7 @@ mlx5_txq_ibv_new(struct rte_eth_dev *dev, uint16_t idx)
rte_errno = EINVAL;
goto error;
}
txq_uar_init(txq_ctrl);
LIST_INSERT_HEAD(&priv->txqsibv, txq_ibv, next);
txq_ibv->txq_ctrl = txq_ctrl;
priv->verbs_alloc_ctx.type = MLX5_VERBS_ALLOC_TYPE_NONE;