[dpdk-dev] [PATCH v2 2/2] net/mlx5: fix probe return value polarity
Shahaf Shuler
shahafs at mellanox.com
Thu May 3 09:59:37 CEST 2018
mlx5 prefixed function returns a negative errno value.
the error handler on mlx5_pci_probe is doing the same.
Fixes: a6d83b6a9209 ("net/mlx5: standardize on negative errno values")
Cc: nelio.laranjeiro at 6wind.com
Signed-off-by: Shahaf Shuler <shahafs at mellanox.com>
---
On v2:
- fixed more polarity issues on different mlx5_* functions.
- aligned verb calls return values.
---
drivers/net/mlx5/mlx5.c | 31 ++++++++++++++++++++++---------
1 file changed, 22 insertions(+), 9 deletions(-)
diff --git a/drivers/net/mlx5/mlx5.c b/drivers/net/mlx5/mlx5.c
index 46cb370a29..7afdae863f 100644
--- a/drivers/net/mlx5/mlx5.c
+++ b/drivers/net/mlx5/mlx5.c
@@ -751,8 +751,9 @@ mlx5_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
DRV_LOG(WARNING,
"tunnel offloading disabled due to old OFED/rdma-core version");
#endif
- if (mlx5_glue->query_device_ex(attr_ctx, NULL, &device_attr)) {
- err = errno;
+ err = mlx5_glue->query_device_ex(attr_ctx, NULL, &device_attr);
+ if (err) {
+ DRV_LOG(ERR, "ibv_query_device_ex() failed");
goto error;
}
DRV_LOG(INFO, "%u port(s) detected",
@@ -800,16 +801,22 @@ mlx5_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
eth_dev->device = &pci_dev->device;
eth_dev->dev_ops = &mlx5_dev_sec_ops;
err = mlx5_uar_init_secondary(eth_dev);
- if (err)
+ if (err) {
+ err = rte_errno;
goto error;
+ }
/* Receive command fd from primary process */
err = mlx5_socket_connect(eth_dev);
- if (err < 0)
+ if (err < 0) {
+ err = rte_errno;
goto error;
+ }
/* Remap UAR for Tx queues. */
err = mlx5_tx_uar_remap(eth_dev, err);
- if (err)
+ if (err) {
+ err = rte_errno;
goto error;
+ }
/*
* Ethdev pointer is still required as input since
* the primary device is not accessible from the
@@ -873,11 +880,12 @@ mlx5_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
if (err) {
DRV_LOG(ERR, "failed to process device arguments: %s",
strerror(err));
+ err = rte_errno;
goto port_error;
}
- if (mlx5_glue->query_device_ex(ctx, NULL, &device_attr_ex)) {
+ err = mlx5_glue->query_device_ex(ctx, NULL, &device_attr_ex);
+ if (err) {
DRV_LOG(ERR, "ibv_query_device_ex() failed");
- err = errno;
goto port_error;
}
config.hw_csum = !!(device_attr_ex.device_cap_flags_ex &
@@ -952,8 +960,10 @@ mlx5_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
rte_eth_copy_pci_info(eth_dev, pci_dev);
eth_dev->device->driver = &mlx5_driver.driver;
err = mlx5_uar_init_primary(eth_dev);
- if (err)
+ if (err) {
+ err = rte_errno;
goto port_error;
+ }
/* Configure the first MAC address by default. */
if (mlx5_get_mac(eth_dev, &mac.addr_bytes)) {
DRV_LOG(ERR,
@@ -983,8 +993,10 @@ mlx5_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
#endif
/* Get actual MTU if possible. */
err = mlx5_get_mtu(eth_dev, &priv->mtu);
- if (err)
+ if (err) {
+ err = rte_errno;
goto port_error;
+ }
DRV_LOG(DEBUG, "port %u MTU is %u", eth_dev->data->port_id,
priv->mtu);
/*
@@ -1031,6 +1043,7 @@ mlx5_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
if (err) {
DRV_LOG(ERR, "port %u drop queue allocation failed: %s",
eth_dev->data->port_id, strerror(rte_errno));
+ err = rte_errno;
goto port_error;
}
/* Supported Verbs flow priority number detection. */
--
2.12.0
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