iavf: Fix error handling in iavf_init_module()

[ Upstream commit 227d8d2f7f ]

The iavf_init_module() won't destroy workqueue when pci_register_driver()
failed. Call destroy_workqueue() when pci_register_driver() failed to
prevent the resource leak.

Similar to the handling of u132_hcd_init in commit f276e00279
("usb: u132-hcd: fix resource leak")

Fixes: 2803b16c10 ("i40e/i40evf: Use private workqueue")
Signed-off-by: Yuan Can <yuancan@huawei.com>
Tested-by: Konrad Jankowski <konrad0.jankowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Yuan Can 2022-11-14 08:26:40 +00:00 committed by Greg Kroah-Hartman
parent 6313cf0f21
commit bd477b891a

View file

@ -5196,6 +5196,8 @@ static struct pci_driver iavf_driver = {
**/
static int __init iavf_init_module(void)
{
int ret;
pr_info("iavf: %s\n", iavf_driver_string);
pr_info("%s\n", iavf_copyright);
@ -5206,7 +5208,12 @@ static int __init iavf_init_module(void)
pr_err("%s: Failed to create workqueue\n", iavf_driver_name);
return -ENOMEM;
}
return pci_register_driver(&iavf_driver);
ret = pci_register_driver(&iavf_driver);
if (ret)
destroy_workqueue(iavf_wq);
return ret;
}
module_init(iavf_init_module);