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-rw-r--r--drivers/usb/storage/uas.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/usb/storage/uas.c b/drivers/usb/storage/uas.c
index de3836412..ed22053b3 100644
--- a/drivers/usb/storage/uas.c
+++ b/drivers/usb/storage/uas.c
@@ -879,6 +879,13 @@ static int uas_slave_configure(struct scsi_device *sdev)
sdev->guess_capacity = 1;
/*
+ * Some devices report generic values until the media has been
+ * accessed. Force a READ(10) prior to querying device
+ * characteristics.
+ */
+ sdev->read_before_ms = 1;
+
+ /*
* Some devices don't like MODE SENSE with page=0x3f,
* which is the command used for checking if a device
* is write-protected. Now that we tell the sd driver