Commit 6e8e1c14 ("scsi: lpfc: Add WQ Full Logic for NVME Target") fails
the static checker. Checker correctly identified a missing unlock on a
return path.

Add the unlock.

Fixes: 6e8e1c14 ("scsi: lpfc: Add WQ Full Logic for NVME Target")
Signed-off-by: NDick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: NJames Smart <james.smart@broadcom.com>
Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com>