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authorZhengchao Shao <shaozhengchao@huawei.com>2022-11-10 13:30:37 +0300
committerDavid S. Miller <davem@davemloft.net>2022-11-14 13:05:39 +0300
commit8979f428a4afc215e390006e5ea19fd4e22c7ca9 (patch)
tree6156aea30b16be08edaf2c41ce195f37fc4dfec3 /drivers/net
parent9cbd48d5fa14e4c65f8580de16686077f7cea02b (diff)
downloadlinux-8979f428a4afc215e390006e5ea19fd4e22c7ca9.tar.xz
net: liquidio: release resources when liquidio driver open failed
When liquidio driver open failed, it doesn't release resources. Compile tested only. Fixes: 5b07aee11227 ("liquidio: MSIX support for CN23XX") Fixes: dbc97bfd3918 ("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>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/ethernet/cavium/liquidio/lio_main.c34
1 files changed, 26 insertions, 8 deletions
diff --git a/drivers/net/ethernet/cavium/liquidio/lio_main.c b/drivers/net/ethernet/cavium/liquidio/lio_main.c
index d312bd594935..75771825c3f9 100644
--- a/drivers/net/ethernet/cavium/liquidio/lio_main.c
+++ b/drivers/net/ethernet/cavium/liquidio/lio_main.c
@@ -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;
}