linux-kernel - [PATCH] scsi: storvsc: Process unsupported MODE_SENSE

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Message-Id: <1767815803-3747-1-git-send-email-longli@linux.microsoft.com>
Date: Wed,  7 Jan 2026 11:56:43 -0800
From: longli@...ux.microsoft.com
To: "K. Y. Srinivasan" <kys@...rosoft.com>,
	Haiyang Zhang <haiyangz@...rosoft.com>,
	Wei Liu <wei.liu@...nel.org>,
	Dexuan Cui <decui@...rosoft.com>,
	"James E.J. Bottomley" <James.Bottomley@...senPartnership.com>,
	"Martin K. Petersen" <martin.petersen@...cle.com>,
	James Bottomley <JBottomley@...n.com>,
	linux-hyperv@...r.kernel.org,
	linux-scsi@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc: Long Li <longli@...rosoft.com>,
	stable@...nel.org
Subject: [PATCH] scsi: storvsc: Process unsupported MODE_SENSE_10

From: Long Li <longli@...rosoft.com>

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: 89ae7d709357 ("Staging: hv: storvsc: Move the storage driver out of the staging area")
Cc: stable@...nel.org
Signed-off-by: Long Li <longli@...rosoft.com>
---
 drivers/scsi/storvsc_drv.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c
index 6e4112143c76..9b15784e2d64 100644
--- a/drivers/scsi/storvsc_drv.c
+++ b/drivers/scsi/storvsc_drv.c
@@ -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;
-- 
2.34.1