This is a note to let you know that I've just added the patch titled wifi: libertas: Fix possible refcount leak in if_usb_probe() to the 5.19-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: wifi-libertas-fix-possible-refcount-leak-in-if_usb_p.patch and it can be found in the queue-5.19 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 499eab4ed11602bf552cee1c1fd89622031f6990 Author: Hangyu Hua <hbh25y@xxxxxxxxx> Date: Mon Jun 20 17:23:50 2022 +0800 wifi: libertas: Fix possible refcount leak in if_usb_probe() [ Upstream commit 6fd57e1d120bf13d4dc6c200a7cf914e6347a316 ] usb_get_dev will be called before lbs_get_firmware_async which means that usb_put_dev need to be called when lbs_get_firmware_async fails. Fixes: ce84bb69f50e ("libertas USB: convert to asynchronous firmware loading") Signed-off-by: Hangyu Hua <hbh25y@xxxxxxxxx> Signed-off-by: Kalle Valo <kvalo@xxxxxxxxxx> Link: https://lore.kernel.org/r/20220620092350.39960-1-hbh25y@xxxxxxxxx Link: https://lore.kernel.org/r/20220622113402.16969-1-colin.i.king@xxxxxxxxx Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/net/wireless/marvell/libertas/if_usb.c b/drivers/net/wireless/marvell/libertas/if_usb.c index 5d6dc1dd050d..32fdc4150b60 100644 --- a/drivers/net/wireless/marvell/libertas/if_usb.c +++ b/drivers/net/wireless/marvell/libertas/if_usb.c @@ -287,6 +287,7 @@ static int if_usb_probe(struct usb_interface *intf, return 0; err_get_fw: + usb_put_dev(udev); lbs_remove_card(priv); err_add_card: if_usb_reset_device(cardp);