USB: RESET_RESUME needs to block autosuspend when remote wakeup is needed

Reset upon resumption will wipe the input buffer and is therefore
a reason to not suspend if remote wakeup is requested because
the driver needs that data.

Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c
index 5a7fa6f09958..e935be7eb468 100644
--- a/drivers/usb/core/driver.c
+++ b/drivers/usb/core/driver.c
@@ -1070,7 +1070,8 @@ static int autosuspend_check(struct usb_device *udev, int reschedule)
                                 struct usb_driver *driver;
 
                                 driver = to_usb_driver(intf->dev.driver);
-                                if (!driver->reset_resume)
+                                if (!driver->reset_resume ||
+                                    intf->needs_remote_wakeup)
                                         return -EOPNOTSUPP;
                         }
                 }