[SCSI] be2iscsi: Adding support for various Async messages from chip

This patch allows for future addition of various async messages
from the chip. This ensures that the driver won't hit a BUG_ON if
the Firmware used is newer than inbox driver and so is using
latest async messages.

Signed-off-by: Jayamohan Kallickal <jayamohank@serverengines.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>

1 files changed, 8 insertions, 4 deletions

diff --git a/drivers/scsi/be2iscsi/be_cmds.c b/drivers/scsi/be2iscsi/be_cmds.c
index 698a527d6cca..f008708f1b08 100644
--- a/drivers/scsi/be2iscsi/be_cmds.c
+++ b/drivers/scsi/be2iscsi/be_cmds.c
@@ -135,11 +135,15 @@ int beiscsi_process_mcc(struct beiscsi_hba *phba)
         while ((compl = be_mcc_compl_get(phba))) {
                 if (compl->flags & CQE_FLAGS_ASYNC_MASK) {
                         /* Interpret flags as an async trailer */
-                        BUG_ON(!is_link_state_evt(compl->flags));
+                        if (is_link_state_evt(compl->flags))
+                                /* Interpret compl as a async link evt */
+                                beiscsi_async_link_state_process(phba,
+                                   (struct be_async_event_link_state *) compl);
+                        else
+                                SE_DEBUG(DBG_LVL_1,
+                                         " Unsupported Async Event, flags"
+                                         " = 0x%08x \n", compl->flags);
 
-                        /* Interpret compl as a async link evt */
-                        beiscsi_async_link_state_process(phba,
-                                (struct be_async_event_link_state *) compl);
                 } else if (compl->flags & CQE_FLAGS_COMPLETED_MASK) {
                                 status = be_mcc_compl_process(ctrl, compl);
                                 atomic_dec(&phba->ctrl.mcc_obj.q.used);