On some Windows hosts on FC SANs, TEST_UNIT_READY can return SRB_STATUS_ERROR.
Correctly handle this.
In this version of the patch I have addressed comments from
Christoph Hellwig <h...@infradead.org>
Signed-off-by: K. Y. Srinivasan <k...@microsoft.com>
Cc: <sta...@vger.kernel.org>
---
drivers/scsi/storvsc_drv.c | 7 +++++++
1 files changed, 7 insertions(+), 0 deletions(-)
diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c
index 84b9b39..6fed0dd 100644
--- a/drivers/scsi/storvsc_drv.c
+++ b/drivers/scsi/storvsc_drv.c
@@ -1020,6 +1020,13 @@ static void storvsc_handle_error(struct vmscsi_request
*vm_srb,
case ATA_12:
set_host_byte(scmnd, DID_PASSTHROUGH);
break;
+ /*
+ * On Some Windows hosts TEST_UNIT_READY command can return
+ * SRB_STATUS_ERROR, let the upper level code deal with it
+ * based on the sense information.
+ */
+ case TEST_UNIT_READY:
+ break;
default:
set_host_byte(scmnd, DID_TARGET_FAILURE);
}
--
1.7.4.1
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