[PATCH v3 13/16] nvmet-fc: abort command if when there is binding

Daniel Wagner
2023-12-18T16:02:57Z

WHen the target port has not active port binding, there is no point in
trying to process the command as it has to fail anyway. Instead adding
checks to all commands abort the command early.

Signed-off-by: Daniel Wagner <dwagner@suse.de>
---
drivers/nvme/target/fc.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/nvme/target/fc.c b/drivers/nvme/target/fc.c
index 47cecc8c72b2..663c51c9fe53 100644
--- a/drivers/nvme/target/fc.c
+++ b/drivers/nvme/target/fc.c
@@ -1101,6 +1101,9 @@ nvmet_fc_alloc_target_assoc(struct nvmet_fc_tgtport *tgtport, void *hosthandle)
int idx;
bool needrandom = true;

+ if (!tgtport->pe)
+ return NULL;
+
assoc = kzalloc(sizeof(*assoc), GFP_KERNEL);
if (!assoc)
return NULL;
@@ -2520,8 +2523,9 @@ nvmet_fc_handle_fcp_rqst(struct nvmet_fc_tgtport *tgtport,

fod->req.cmd = &fod->cmdiubuf.sqe;
fod->req.cqe = &fod->rspiubuf.cqe;
- if (tgtport->pe)
- fod->req.port = tgtport->pe->port;
+ if (!tgtport->pe)
+ goto transport_error;
+ fod->req.port = tgtport->pe->port;

/* clear any response payload */
memset(&fod->rspiubuf, 0, sizeof(fod->rspiubuf));
--
2.43.0