[dpdk-dev] [PATCH v2 1/3] net/sfc: carefully cleanup on init failure and shutdown
Andrew Rybchenko
arybchenko at solarflare.com
Thu May 18 16:00:02 CEST 2017
Signed-off-by: Andrew Rybchenko <arybchenko at solarflare.com>
Reviewed-by: Andy Moreton <amoreton at solarflare.com>
---
v2:
- no changes
drivers/net/sfc/sfc_ethdev.c | 31 +++++++++++++++++++++++++------
1 file changed, 25 insertions(+), 6 deletions(-)
diff --git a/drivers/net/sfc/sfc_ethdev.c b/drivers/net/sfc/sfc_ethdev.c
index d5583ec..e4f051a 100644
--- a/drivers/net/sfc/sfc_ethdev.c
+++ b/drivers/net/sfc/sfc_ethdev.c
@@ -1407,7 +1407,7 @@ sfc_eth_dev_set_ops(struct rte_eth_dev *dev)
"Insufficient Hw/FW capabilities to use Rx datapath %s",
rx_name);
rc = EINVAL;
- goto fail_dp_rx;
+ goto fail_dp_rx_caps;
}
} else {
sa->dp_rx = sfc_dp_find_rx_by_caps(&sfc_dp_head, avail_caps);
@@ -1440,7 +1440,7 @@ sfc_eth_dev_set_ops(struct rte_eth_dev *dev)
"Insufficient Hw/FW capabilities to use Tx datapath %s",
tx_name);
rc = EINVAL;
- goto fail_dp_tx;
+ goto fail_dp_tx_caps;
}
} else {
sa->dp_tx = sfc_dp_find_tx_by_caps(&sfc_dp_head, avail_caps);
@@ -1460,14 +1460,33 @@ sfc_eth_dev_set_ops(struct rte_eth_dev *dev)
return 0;
+fail_dp_tx_caps:
+ sa->dp_tx = NULL;
+
fail_dp_tx:
fail_kvarg_tx_datapath:
+fail_dp_rx_caps:
+ sa->dp_rx = NULL;
+
fail_dp_rx:
fail_kvarg_rx_datapath:
return rc;
}
static void
+sfc_eth_dev_clear_ops(struct rte_eth_dev *dev)
+{
+ struct sfc_adapter *sa = dev->data->dev_private;
+
+ dev->dev_ops = NULL;
+ dev->rx_pkt_burst = NULL;
+ dev->tx_pkt_burst = NULL;
+
+ sa->dp_tx = NULL;
+ sa->dp_rx = NULL;
+}
+
+static void
sfc_register_dp(void)
{
/* Register once */
@@ -1549,6 +1568,8 @@ sfc_eth_dev_init(struct rte_eth_dev *dev)
return 0;
fail_attach:
+ sfc_eth_dev_clear_ops(dev);
+
fail_set_ops:
sfc_unprobe(sa);
@@ -1577,16 +1598,14 @@ sfc_eth_dev_uninit(struct rte_eth_dev *dev)
sfc_adapter_lock(sa);
+ sfc_eth_dev_clear_ops(dev);
+
sfc_detach(sa);
sfc_unprobe(sa);
rte_free(dev->data->mac_addrs);
dev->data->mac_addrs = NULL;
- dev->dev_ops = NULL;
- dev->rx_pkt_burst = NULL;
- dev->tx_pkt_burst = NULL;
-
sfc_kvargs_cleanup(sa);
sfc_adapter_unlock(sa);
--
2.9.4
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