From: Oliver Neukum <oneukum@suse.com>
Date: Thu, 14 Nov 2019 11:27:56 +0000 (+0100)
Subject: USB: uas: honor flag to avoid CAPACITY16
X-Git-Tag: v5.5-rc1~137^2~12
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=bff000cae1eec750d62e265c4ba2db9af57b17e1;p=linux.git

USB: uas: honor flag to avoid CAPACITY16

Copy the support over from usb-storage to get feature parity

Signed-off-by: Oliver Neukum <oneukum@suse.com>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20191114112758.32747-2-oneukum@suse.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/usb/storage/uas.c b/drivers/usb/storage/uas.c
index 34538253f12c..def2d4aba549 100644
--- a/drivers/usb/storage/uas.c
+++ b/drivers/usb/storage/uas.c
@@ -825,6 +825,10 @@ static int uas_slave_configure(struct scsi_device *sdev)
 		sdev->wce_default_on = 1;
 	}
 
+	/* Some disks cannot handle READ_CAPACITY_16 */
+	if (devinfo->flags & US_FL_NO_READ_CAPACITY_16)
+		sdev->no_read_capacity_16 = 1;
+
 	/*
 	 * Some disks return the total number of blocks in response
 	 * to READ CAPACITY rather than the highest block number.