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Commit 3533f860 authored by K. Y. Srinivasan's avatar K. Y. Srinivasan Committed by Christoph Hellwig
Browse files

drivers: scsi: storvsc: Correctly handle TEST_UNIT_READY failure 



On some Windows hosts on FC SANs, TEST_UNIT_READY can return SRB_STATUS_ERROR.
Correctly handle this. Note that there is sufficient sense information to
support scsi error handling even in this case.

Signed-off-by: default avatarK. Y. Srinivasan <kys@microsoft.com>
Reviewed-by: default avatarHannes Reinecke <hare@suse.de>
Cc: <stable@vger.kernel.org>
Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
parent f885fb73

drivers/scsi/storvsc_drv.c

+7 −0
Original line number Original line Diff line number Diff line
@@ -1018,6 +1018,13 @@ static void storvsc_handle_error(struct vmscsi_request *vm_srb, 
		case ATA_12:

		case ATA_12:

			set_host_byte(scmnd, DID_PASSTHROUGH);

			set_host_byte(scmnd, DID_PASSTHROUGH);

			break;

			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:

		default:

			set_host_byte(scmnd, DID_TARGET_FAILURE);

			set_host_byte(scmnd, DID_TARGET_FAILURE);

		}

		}