From: Greg Kroah-Hartman gregkh@linuxfoundation.org
From: Jia-Ju Bai baijiaju1990@gmail.com
[ Upstream commit df66617bfe87487190a60783d26175b65d2502ce ]
When create_singlethread_workqueue returns NULL to card->event_wq, no error return code of rsxx_pci_probe() is assigned.
To fix this bug, st is assigned with -ENOMEM in this case.
Fixes: 8722ff8cdbfa ("block: IBM RamSan 70/80 device driver") Reported-by: TOTE Robot oslab@tsinghua.edu.cn Signed-off-by: Jia-Ju Bai baijiaju1990@gmail.com Link: https://lore.kernel.org/r/20210310033017.4023-1-baijiaju1990@gmail.com Signed-off-by: Jens Axboe axboe@kernel.dk Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/block/rsxx/core.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/block/rsxx/core.c b/drivers/block/rsxx/core.c index 804d28faa97b..a1824bb08044 100644 --- a/drivers/block/rsxx/core.c +++ b/drivers/block/rsxx/core.c @@ -869,6 +869,7 @@ static int rsxx_pci_probe(struct pci_dev *dev, card->event_wq = create_singlethread_workqueue(DRIVER_NAME"_event"); if (!card->event_wq) { dev_err(CARD_TO_DEV(card), "Failed card event setup.\n"); + st = -ENOMEM; goto failed_event_handler; }