scsi: megaraid_sas: Fix data integrity failure for JBOD (passthrough) devices

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / scsi / megaraid / megaraid_sas_base.c

diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c
index 6ced6a398d600c05c5b959fbf72d946273882d65..0626a168c55bfc6b1a0571d3ba56638bb8f27b1b 100644 (file)
--- a/drivers/scsi/megaraid/megaraid_sas_base.c
+++ b/drivers/scsi/megaraid/megaraid_sas_base.c
@@ -1487,16 +1487,13 @@ megasas_queue_command_lck(struct scsi_cmnd *scmd, void (*done) (struct scsi_cmnd
                goto out_done;
        }
 
-       switch (scmd->cmnd[0]) {
-       case SYNCHRONIZE_CACHE:
-               /*
-                * FW takes care of flush cache on its own
-                * No need to send it down
-                */
+       /*
+        * FW takes care of flush cache on its own for Virtual Disk.
+        * No need to send it down for VD. For JBOD send SYNCHRONIZE_CACHE to FW.
+        */
+       if ((scmd->cmnd[0] == SYNCHRONIZE_CACHE) && MEGASAS_IS_LOGICAL(scmd)) {
                scmd->result = DID_OK << 16;
                goto out_done;
-       default:
-               break;
        }
 
        if (instance->instancet->build_and_issue_cmd(instance, scmd)) {