Am Montag, 2. Juli 2012, 10:33:14 schrieb Bjørn Mork: > The WDM_READ flag is normally cleared by wdm_int_callback > before resubmitting the read urb, and set by wdm_in_callback > when this urb returns with data or an error. But a crashing > device may cause both a read error and cancelling all urbs. > Make sure that the flag is cleared by wdm_read if the buffer > is empty. > > We don't clear the flag on errors, as there may be pending > data in the buffer which should be processed. The flag will > instead be cleared on the next wdm_read call. > > Cc: <stable@xxxxxxxxxxxxxxx> > Signed-off-by: Bjørn Mork <bjorn@xxxxxxx> Acked-by: Oliver Neukum <oneukum@xxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
