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| author | Oliver Neukum <oneukum@suse.com> | 2019-11-14 12:27:57 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-12-17 20:34:30 +0100 |
| commit | 0c7149e2191958332a0dcd91f84676f0c9a518fc (patch) | |
| tree | 07df6efdf4e88b1854562b62b35379a0f0371141 /drivers/usb/storage | |
| parent | 0b495fa36eec75f8c60c6522bd91dfc06d55b59e (diff) | |
| download | linux-stable-0c7149e2191958332a0dcd91f84676f0c9a518fc.tar.gz linux-stable-0c7149e2191958332a0dcd91f84676f0c9a518fc.tar.bz2 linux-stable-0c7149e2191958332a0dcd91f84676f0c9a518fc.zip | |
USB: uas: heed CAPACITY_HEURISTICS
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>
Diffstat (limited to 'drivers/usb/storage')
| -rw-r--r-- | drivers/usb/storage/uas.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/usb/storage/uas.c b/drivers/usb/storage/uas.c index 4dfe21c814db..1c6eb3a8741e 100644 --- a/drivers/usb/storage/uas.c +++ b/drivers/usb/storage/uas.c @@ -845,6 +845,12 @@ static int uas_slave_configure(struct scsi_device *sdev) 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 |