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block: rsxx: fix error return code of rsxx_pci_probe()

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[ Upstream commit df66617bfe ]

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: 8722ff8cdb ("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>
This commit is contained in:
Jia-Ju Bai
2021-03-09 19:30:17 -08:00
committed by Greg Kroah-Hartman
parent caa86901c8
commit d1d918492e
1 changed files with 1 additions and 0 deletions
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drivers/block/rsxx/core.c
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@@ -871,6 +871,7 @@ static int rsxx_pci_probe(struct pci_dev *dev,
card->event_wq = create_singlethread_workqueue(DRIVER_NAME"_event"); card->event_wq = create_singlethread_workqueue(DRIVER_NAME"_event");
if (!card->event_wq) { if (!card->event_wq) {
dev_err(CARD_TO_DEV(card), "Failed card event setup.\n"); dev_err(CARD_TO_DEV(card), "Failed card event setup.\n");
st = -ENOMEM;
goto failed_event_handler; goto failed_event_handler;
} }