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uas: Allow uas_use_uas_driver to return usb-storage flags

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uas_use_uas_driver may set some US_FL_foo flags during detection, currently
these are stored in a local variable and then throw away, but these may be
of interest to the caller, so add an extra parameter to (optionally) return
the detected flags, and use this in the uas driver.

Cc: stable@vger.kernel.org # 3.16
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Hans de Goede
2015-04-21 11:20:30 +02:00
committed by Greg Kroah-Hartman
parent b787f68c36
commit a5011d44f0
3 changed files with 9 additions and 5 deletions
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2
drivers/usb/storage/usb.c
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@@ -1080,7 +1080,7 @@ static int storage_probe(struct usb_interface *intf,
/* If uas is enabled and this device can do uas then ignore it. */
#if IS_ENABLED(CONFIG_USB_UAS)
if (uas_use_uas_driver(intf, id))
if (uas_use_uas_driver(intf, id, NULL))
return -ENXIO;
#endif