[ Upstream commit
8cfa238a48f34038464b99d0b4825238c2687181 ]
ixgbevf_init_module() won't destroy the workqueue created by
create_singlethread_workqueue() when pci_register_driver() failed. Add
destroy_workqueue() in fail path to prevent the resource leak.
Similar to the handling of u132_hcd_init in commit
f276e002793c
("usb: u132-hcd: fix resource leak")
Fixes:
40a13e2493c9 ("ixgbevf: Use a private workqueue to avoid certain possible hangs")
Signed-off-by: Shang XiaoJing <shangxiaojing@huawei.com>
Reviewed-by: Saeed Mahameed <saeed@kernel.org>
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>
**/
static int __init ixgbevf_init_module(void)
{
+ int err;
+
pr_info("%s\n", ixgbevf_driver_string);
pr_info("%s\n", ixgbevf_copyright);
ixgbevf_wq = create_singlethread_workqueue(ixgbevf_driver_name);
return -ENOMEM;
}
- return pci_register_driver(&ixgbevf_driver);
+ err = pci_register_driver(&ixgbevf_driver);
+ if (err) {
+ destroy_workqueue(ixgbevf_wq);
+ return err;
+ }
+
+ return 0;
}
module_init(ixgbevf_init_module);