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Code Issues Releases Wiki Activity

net: liquidio: release resources when liquidio driver open failed

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When liquidio driver open failed, it doesn't release resources. Compile
tested only.

Fixes: 5b07aee112 ("liquidio: MSIX support for CN23XX")
Fixes: dbc97bfd39 ("net: liquidio: Add missing null pointer checks")
Signed-off-by: Zhengchao Shao <shaozhengchao@huawei.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Zhengchao Shao 2022-11-10 18:30:37 +08:00 committed by David S. Miller
parent 9cbd48d5fa
commit 8979f428a4
1 changed files with 26 additions and 8 deletions
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34
drivers/net/ethernet/cavium/liquidio/lio_main.c
View file

@ -1794,13 +1794,10 @@ static int liquidio_open(struct net_device *netdev)
ifstate_set(lio, LIO_IFSTATE_RUNNING);
if (OCTEON_CN23XX_PF(oct)) {
if (!oct->msix_on)
if (setup_tx_poll_fn(netdev))
return -1;
} else {
if (setup_tx_poll_fn(netdev))
return -1;
if (!OCTEON_CN23XX_PF(oct) || (OCTEON_CN23XX_PF(oct) && !oct->msix_on)) {
ret = setup_tx_poll_fn(netdev);
if (ret)
goto err_poll;
}
netif_tx_start_all_queues(netdev);
@ -1813,7 +1810,7 @@ static int liquidio_open(struct net_device *netdev)
/* tell Octeon to start forwarding packets to host */
ret = send_rx_ctrl_cmd(lio, 1);
if (ret)
return ret;
goto err_rx_ctrl;
/* start periodical statistics fetch */
INIT_DELAYED_WORK(&lio->stats_wk.work, lio_fetch_stats);
@ -1824,6 +1821,27 @@ static int liquidio_open(struct net_device *netdev)
dev_info(&oct->pci_dev->dev, "%s interface is opened\n",
netdev->name);
return 0;
err_rx_ctrl:
if (!OCTEON_CN23XX_PF(oct) || (OCTEON_CN23XX_PF(oct) && !oct->msix_on))
cleanup_tx_poll_fn(netdev);
err_poll:
if (lio->ptp_clock) {
ptp_clock_unregister(lio->ptp_clock);
lio->ptp_clock = NULL;
}
if (oct->props[lio->ifidx].napi_enabled == 1) {
list_for_each_entry_safe(napi, n, &netdev->napi_list, dev_list)
napi_disable(napi);
oct->props[lio->ifidx].napi_enabled = 0;
if (OCTEON_CN23XX_PF(oct))
oct->droq[0]->ops.poll_mode = 0;
}
return ret;
}