| Message ID | 20221110103037.133791-1-shaozhengchao@huawei.com (mailing list archive) |
|---|---|
| State | Accepted |
| Commit | 8979f428a4afc215e390006e5ea19fd4e22c7ca9 |
| Delegated to: | Netdev Maintainers |
| Headers | show |
| Series | [net,v2] net: liquidio: release resources when liquidio driver open failed | expand |
| Context | Check | Description |
|---|---|---|
| netdev/tree_selection | success | Clearly marked for net |
| netdev/fixes_present | success | Fixes tag present in non-next series |
| netdev/subject_prefix | success | Link |
| netdev/cover_letter | success | Single patches do not need cover letters |
| netdev/patch_count | success | Link |
| netdev/header_inline | success | No static functions without inline keyword in header files |
| netdev/build_32bit | success | Errors and warnings before: 0 this patch: 0 |
| netdev/cc_maintainers | success | CCed 12 of 12 maintainers |
| netdev/build_clang | success | Errors and warnings before: 0 this patch: 0 |
| netdev/module_param | success | Was 0 now: 0 |
| netdev/verify_signedoff | success | Signed-off-by tag matches author and committer |
| netdev/check_selftest | success | No net selftest shell script |
| netdev/verify_fixes | success | Fixes tag looks correct |
| netdev/build_allmodconfig_warn | success | Errors and warnings before: 7 this patch: 7 |
| netdev/checkpatch | warning | WARNING: line length of 81 exceeds 80 columns |
| netdev/kdoc | success | Errors and warnings before: 0 this patch: 0 |
| netdev/source_inline | success | Was 0 now: 0 |
On Thu, Nov 10, 2022 at 06:30:37PM +0800, Zhengchao Shao wrote: > 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> > --- > v2: simplify "if" judgment statements > --- > .../net/ethernet/cavium/liquidio/lio_main.c | 34 ++++++++++++++----- > 1 file changed, 26 insertions(+), 8 deletions(-) > Thanks, Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Hello: This patch was applied to netdev/net.git (master) by David S. Miller <davem@davemloft.net>: On Thu, 10 Nov 2022 18:30:37 +0800 you wrote: > 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> > > [...] Here is the summary with links: - [net,v2] net: liquidio: release resources when liquidio driver open failed https://git.kernel.org/netdev/net/c/8979f428a4af You are awesome, thank you!
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; }
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> --- v2: simplify "if" judgment statements --- .../net/ethernet/cavium/liquidio/lio_main.c | 34 ++++++++++++++----- 1 file changed, 26 insertions(+), 8 deletions(-)