scsi: lpfc: Fix NVMEI driver not decrementing counter causing bad rport state.
authorJames Smart <jsmart2021@gmail.com>
Mon, 15 May 2017 22:20:42 +0000 (15:20 -0700)
committerMartin K. Petersen <martin.petersen@oracle.com>
Wed, 17 May 2017 01:19:10 +0000 (21:19 -0400)
commit3120046a970aee08a0787fb6792590f1e0047f62
tree9ca373e9642e2a993d3e7a64b123aff1855b6cdb
parent61f3d4bf4f8f062cf6be143c9b7adbc3a017ea6e
scsi: lpfc: Fix NVMEI driver not decrementing counter causing bad rport state.

During driver boot, a latency in the NVMET driver side causes the
incoming NVMEI PRLI to get rejected by the NVMET driver.  When this
happens, the NVMEI driver runs out of PRLI retries.  Bouncing the link
does not fix the situation.

If the NVMEI driver decides, on PRLI completion failures, to retry the
PRLI, always decrement the fc4_prli_sent counter.  This allows the PRLI
completion to resolve to UNMAPPED when NVMET rejects the PRLI.

Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <james.smart@broadcom.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
drivers/scsi/lpfc/lpfc_els.c