Thanks for your suggesion. I will resubmit later.
On 2022/2/18 20:03, Dan Carpenter wrote:
On Fri, Feb 18, 2022 at 04:11:30PM +0800, Hangyu Hua wrote:
unregister_netdev need to be called when register_netdev succeeds
qlge_health_create_reporters fails.
1) Add a Fixes tag:
Fixes: d8827ae8e22b ("staging: qlge: deal with the case that devlink_health_reporter_create fails")
Signed-off-by: Hangyu Hua <hbh25y@xxxxxxxxx>
---
drivers/staging/qlge/qlge_main.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/staging/qlge/qlge_main.c b/drivers/staging/qlge/qlge_main.c
index 9873bb2a9ee4..0a199c6d77a1 100644
--- a/drivers/staging/qlge/qlge_main.c
+++ b/drivers/staging/qlge/qlge_main.c
@@ -4611,8 +4611,10 @@ static int qlge_probe(struct pci_dev *pdev,
}
err = qlge_health_create_reporters(qdev);
- if (err)
+ if (err) {
+ unregister_netdev(ndev);
goto netdev_free;
+ }
2) Use a goto to unwind. 3) Release the other pdev stuff as well.
4) Clean up the error handling for register_netdev() by using a goto
as well.
err = register_netdev(ndev);
if (err) {
dev_err(&pdev->dev, "net device registration failed.\n");
goto cleanup_pdev;
}
err = qlge_health_create_reporters(qdev);
if (err)
goto unregister_netdev;
...
return 0;
unregister_netdev:
unregister_netdev(ndev);
cleanup_pdev:
qlge_release_all(pdev);
pci_disable_device(pdev);
netdev_free:
free_netdev(ndev);
devlink_free:
devlink_free(devlink);
return ret;
regards,
dan carpenter