This is a note to let you know that I've just added the patch titled net: defxx: Fix missing err handling in dfx_init() to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: net-defxx-fix-missing-err-handling-in-dfx_init.patch and it can be found in the queue-4.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 78d1db9fbaf7e62f5cb7af4626a33c3733216e39 Author: Yongqiang Liu <liuyongqiang13@xxxxxxxxxx> Date: Wed Dec 7 07:20:45 2022 +0000 net: defxx: Fix missing err handling in dfx_init() [ Upstream commit ae18dcdff0f8d7e84cd3fd9f496518b5e72d185d ] When eisa_driver_register() or tc_register_driver() failed, the modprobe defxx would fail with some err log as follows: Error: Driver 'defxx' is already registered, aborting... Fix this issue by adding err hanling in dfx_init(). Fixes: e89a2cfb7d7b5 ("[TC] defxx: TURBOchannel support") Signed-off-by: Yongqiang Liu <liuyongqiang13@xxxxxxxxxx> Reviewed-by: Jiri Pirko <jiri@xxxxxxxxxx> Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/net/fddi/defxx.c b/drivers/net/fddi/defxx.c index bdcf4aa34566..bb3c7781cdfa 100644 --- a/drivers/net/fddi/defxx.c +++ b/drivers/net/fddi/defxx.c @@ -3844,10 +3844,24 @@ static int dfx_init(void) int status; status = pci_register_driver(&dfx_pci_driver); - if (!status) - status = eisa_driver_register(&dfx_eisa_driver); - if (!status) - status = tc_register_driver(&dfx_tc_driver); + if (status) + goto err_pci_register; + + status = eisa_driver_register(&dfx_eisa_driver); + if (status) + goto err_eisa_register; + + status = tc_register_driver(&dfx_tc_driver); + if (status) + goto err_tc_register; + + return 0; + +err_tc_register: + eisa_driver_unregister(&dfx_eisa_driver); +err_eisa_register: + pci_unregister_driver(&dfx_pci_driver); +err_pci_register: return status; }