| From 335cbbd5762d5e5c67a8ddd6e6362c2aa42a328f Mon Sep 17 00:00:00 2001 |
| From: Oliver Neukum <oneukum@suse.com> |
| Date: Thu, 14 Nov 2019 12:27:57 +0100 |
| Subject: USB: uas: heed CAPACITY_HEURISTICS |
| |
| From: Oliver Neukum <oneukum@suse.com> |
| |
| commit 335cbbd5762d5e5c67a8ddd6e6362c2aa42a328f upstream. |
| |
| There is no need to ignore this flag. We should be as close |
| to storage in that regard as makes sense, so honor flags whose |
| cost is tiny. |
| |
| Signed-off-by: Oliver Neukum <oneukum@suse.com> |
| Cc: stable <stable@vger.kernel.org> |
| Link: https://lore.kernel.org/r/20191114112758.32747-3-oneukum@suse.com |
| Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
| |
| --- |
| drivers/usb/storage/uas.c | 6 ++++++ |
| 1 file changed, 6 insertions(+) |
| |
| --- a/drivers/usb/storage/uas.c |
| +++ b/drivers/usb/storage/uas.c |
| @@ -838,6 +838,12 @@ static int uas_slave_configure(struct sc |
| sdev->fix_capacity = 1; |
| |
| /* |
| + * in some cases we have to guess |
| + */ |
| + if (devinfo->flags & US_FL_CAPACITY_HEURISTICS) |
| + sdev->guess_capacity = 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 |
