[SCSI] mptsas : Send DID_NO_CONNECT for pending IOs of removed device

Driver is modified to return DID_NO_CONNECT for all pending I/O
requests for bus type SAS, if it founds the target is removed at
the firmware level.

Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>

1 files changed, 11 insertions, 1 deletions

diff --git a/drivers/message/fusion/mptscsih.c b/drivers/message/fusion/mptscsih.c
index 0e402eb95716..c29578614504 100644
--- a/drivers/message/fusion/mptscsih.c
+++ b/drivers/message/fusion/mptscsih.c
@@ -628,6 +628,16 @@ mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr)
                 return 1;
         }
 
+        if (ioc->bus_type == SAS) {
+                VirtDevice *vdevice = sc->device->hostdata;
+
+                if (!vdevice || !vdevice->vtarget ||
+                    vdevice->vtarget->deleted) {
+                        sc->result = DID_NO_CONNECT << 16;
+                        goto out;
+                }
+        }
+
         sc->host_scribble = NULL;
         sc->result = DID_OK << 16;              /* Set default reply as OK */
         pScsiReq = (SCSIIORequest_t *) mf;
@@ -892,7 +902,7 @@ mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr)
 #endif
 
         } /* end of address reply case */
-
+out:
         /* Unmap the DMA buffers, if any. */
         scsi_dma_unmap(sc);