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nvmet-fc: do not check for invalid target port in nvmet_fc_handle_fcp_rqst()

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[ Upstream commit 2a4a910aa4f0acc428dc8d10227c42e14ed21d10 ]

When parsing a request in nvmet_fc_handle_fcp_rqst() we should not
check for invalid target ports; if we do the command is aborted
from the fcp layer, causing the host to assume a transport error.
Rather we should still forward this request to the nvmet layer, which
will then correctly fail the command with an appropriate error status.

Signed-off-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Hannes Reinecke 2021-05-25 14:54:14 +02:00 • committed by Greg Kroah-Hartman
commit 26c9e398b4
1 changed files with 2 additions and 8 deletions
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10
drivers/nvme/target/fc.c
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@ -2151,13 +2151,6 @@ nvmet_fc_handle_fcp_rqst(struct nvmet_fc_tgtport *tgtport,
u32 xfrlen = be32_to_cpu(cmdiu->data_len);
int ret;
/*
* if there is no nvmet mapping to the targetport there
* shouldn't be requests. just terminate them.
*/
if (!tgtport->pe)
goto transport_error;
/*
* Fused commands are currently not supported in the linux
* implementation.
@ -2185,7 +2178,8 @@ nvmet_fc_handle_fcp_rqst(struct nvmet_fc_tgtport *tgtport,
fod->req.cmd = &fod->cmdiubuf.sqe;
fod->req.cqe = &fod->rspiubuf.cqe;
fod->req.port = tgtport->pe->port;
if (tgtport->pe)
fod->req.port = tgtport->pe->port;
/* clear any response payload */
memset(&fod->rspiubuf, 0, sizeof(fod->rspiubuf));