From fd53660120b5eda06539225de56755dc389a4e64 Mon Sep 17 00:00:00 2001 From: Jeff Skirvin Date: Mon, 20 Jun 2011 14:09:22 -0700 Subject: [PATCH] isci: Explicitly decode remote node ready and suspended states The remote node context should only signal a device reset condition in a suspended state. Signed-off-by: Jeff Skirvin Signed-off-by: Dan Williams --- drivers/scsi/isci/remote_node_context.c | 15 +++++++++++++-- 1 file changed, 13 insertions(+), 2 deletions(-) diff --git a/drivers/scsi/isci/remote_node_context.c b/drivers/scsi/isci/remote_node_context.c index 9e8967e19688..b6774bcdabd8 100644 --- a/drivers/scsi/isci/remote_node_context.c +++ b/drivers/scsi/isci/remote_node_context.c @@ -603,12 +603,23 @@ enum sci_status scic_sds_remote_node_context_start_io(struct scic_sds_remote_nod enum scis_sds_remote_node_context_states state; state = sci_rnc->sm.current_state_id; - if (state != SCI_RNC_READY) { + + switch (state) { + case SCI_RNC_READY: + return SCI_SUCCESS; + case SCI_RNC_TX_SUSPENDED: + case SCI_RNC_TX_RX_SUSPENDED: + case SCI_RNC_AWAIT_SUSPENSION: dev_warn(scirdev_to_dev(rnc_to_dev(sci_rnc)), "%s: invalid state %d\n", __func__, state); return SCI_FAILURE_REMOTE_DEVICE_RESET_REQUIRED; + default: + break; } - return SCI_SUCCESS; + dev_dbg(scirdev_to_dev(rnc_to_dev(sci_rnc)), + "%s: requested to start IO while still resuming, %d\n", + __func__, state); + return SCI_FAILURE_INVALID_STATE; } enum sci_status scic_sds_remote_node_context_start_task(struct scic_sds_remote_node_context *sci_rnc, -- 2.30.2