From: Kashyap, Desai <kashyap.desai@lsi.com>
Date: Wed, 2 Sep 2009 06:15:53 +0000 (+0530)
Subject: [SCSI] mptsas : Send DID_NO_CONNECT for pending IOs of removed device
X-Git-Tag: firefly_0821_release~12969^2~10
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=fea984034b1ccdb26e8163ed5350ce7f0563b136;p=firefly-linux-kernel-4.4.55.git

[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>
---

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);