nvme: fix error-handling for io_uring nvme-passthrough
[ Upstream commit1147dd0503
] Driver may return an error before submitting the command to the device. Ensure that such error is propagated up. Fixes:456cba386e
("nvme: wire-up uring-cmd support for io-passthru on char-device.") Signed-off-by: Anuj Gupta <anuj20.g@samsung.com> Signed-off-by: Kanchan Joshi <joshi.k@samsung.com> Reviewed-by: Niklas Cassel <niklas.cassel@wdc.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Keith Busch <kbusch@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
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@ -511,10 +511,13 @@ static enum rq_end_io_ret nvme_uring_cmd_end_io(struct request *req,
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struct nvme_uring_cmd_pdu *pdu = nvme_uring_cmd_pdu(ioucmd);
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req->bio = pdu->bio;
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if (nvme_req(req)->flags & NVME_REQ_CANCELLED)
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if (nvme_req(req)->flags & NVME_REQ_CANCELLED) {
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pdu->nvme_status = -EINTR;
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else
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} else {
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pdu->nvme_status = nvme_req(req)->status;
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if (!pdu->nvme_status)
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pdu->nvme_status = blk_status_to_errno(err);
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}
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pdu->u.result = le64_to_cpu(nvme_req(req)->result.u64);
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/*
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