Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 4ed51a21 authored by K. Y. Srinivasan's avatar K. Y. Srinivasan Committed by Greg Kroah-Hartman
Browse files

Staging: hv: storvsc: Fixup srb and scsi status for INQUIRY and MODE_SENSE 



The current VHD handler on the Windows Host does not correctly handle
INQUIRY and MODE_SENSE commands with some options. Fixup srb_status
in these cases since the failure is not fatal.

Signed-off-by: default avatarK. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: default avatarHaiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent c1b3d067

drivers/staging/hv/storvsc_drv.c

+17 −0
Original line number Diff line number Diff line
@@ -512,6 +512,23 @@ static void storvsc_on_io_completion(struct hv_device *device, 


	stor_pkt = &request->vstor_packet;



	/*

	 * The current SCSI handling on the host side does

	 * not correctly handle:

	 * INQUIRY command with page code parameter set to 0x80

	 * MODE_SENSE command with cmd[2] == 0x1c

	 *

	 * Setup srb and scsi status so this won't be fatal.

	 * We do this so we can distinguish truly fatal failues

	 * (srb status == 0x4) and off-line the device in that case.

	 */



	if ((stor_pkt->vm_srb.cdb[0] == INQUIRY) ||

		(stor_pkt->vm_srb.cdb[0] == MODE_SENSE)) {

		vstor_packet->vm_srb.scsi_status = 0;

		vstor_packet->vm_srb.srb_status = 0x1;

	}





	/* Copy over the status...etc */

	stor_pkt->vm_srb.scsi_status = vstor_packet->vm_srb.scsi_status;