Commit 9eacec5d authored by Long Li's avatar Long Li Committed by Martin K. Petersen
Browse files

scsi: storvsc: Process unsupported MODE_SENSE_10 



The Hyper-V host does not support MODE_SENSE_10 and MODE_SENSE.  The
driver handles MODE_SENSE as unsupported command, but not for
MODE_SENSE_10. Add MODE_SENSE_10 to the same handling logic and return
correct code to SCSI layer.

Fixes: 89ae7d70 ("Staging: hv: storvsc: Move the storage driver out of the staging area")
Cc: stable@kernel.org
Signed-off-by: default avatarLong Li <longli@microsoft.com>
Reviewed-by: default avatarMichael Kelley <mhklinux@outlook.com>
Link: https://patch.msgid.link/20260117010302.294068-1-longli@linux.microsoft.com


Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent 901a5f30

drivers/scsi/storvsc_drv.c

+2 −1
Original line number Diff line number Diff line
@@ -1144,7 +1144,7 @@ static void storvsc_on_io_completion(struct storvsc_device *stor_device, 
	 * 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

	 * MODE_SENSE and MODE_SENSE_10 command with cmd[2] == 0x1c

	 * MAINTENANCE_IN is not supported by HyperV FC passthrough

	 *

	 * Setup srb and scsi status so this won't be fatal.
@@ -1154,6 +1154,7 @@ static void storvsc_on_io_completion(struct storvsc_device *stor_device, 


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

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

	   (stor_pkt->vm_srb.cdb[0] == MODE_SENSE_10) ||

	   (stor_pkt->vm_srb.cdb[0] == MAINTENANCE_IN &&

	   hv_dev_is_fc(device))) {

		vstor_packet->vm_srb.scsi_status = 0;