From: K. Y. Srinivasan <kys@microsoft.com>
Date: Sat, 27 Aug 2011 18:31:28 +0000 (-0700)
Subject: Staging: hv: storvsc: In case of scsi errors offline the device
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=2544b794372b63e46384ac4af91c5630e92cf7f4;p=mv-sheeva.git

Staging: hv: storvsc: In case of scsi errors offline the device

When we do get fatal errors from the host, offline the device since the
host has already tried all possible recovery actions.

Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/drivers/staging/hv/storvsc_drv.c b/drivers/staging/hv/storvsc_drv.c
index ad0f9d4c5ba..22a1d758620 100644
--- a/drivers/staging/hv/storvsc_drv.c
+++ b/drivers/staging/hv/storvsc_drv.c
@@ -1154,7 +1154,15 @@ static void storvsc_command_completion(struct hv_storvsc_request *request)
 		}
 	}
 
-	scmnd->result = vm_srb->scsi_status;
+	/*
+	 * If there is an error; offline the device since all
+	 * error recovery strategies would have already been
+	 * deployed on the host side.
+	 */
+	if (vm_srb->srb_status == 0x4)
+		scmnd->result = DID_TARGET_FAILURE << 16;
+	else
+		scmnd->result = vm_srb->scsi_status;
 
 	if (scmnd->result) {
 		if (scsi_normalize_sense(scmnd->sense_buffer,