check for nonzero return from schedule_timeout()

diff --git a/comedi/drivers/ni_mio_common.c b/comedi/drivers/ni_mio_common.c
index defb30bea9190f4ff1022e4b2766f04de89da6ca..892e4a8d4f4cf9ba5f5a80dd3f718093983b43ee 100644 (file)
--- a/comedi/drivers/ni_mio_common.c
+++ b/comedi/drivers/ni_mio_common.c
@@ -1273,7 +1273,10 @@ static int cs5529_ai_insn_read(comedi_device *dev,comedi_subdevice *s,comedi_ins
                        /* this can't be called from RT, but why would someone want to mess with
                         * this calibration adc from RT priority? */
                        set_current_state(TASK_INTERRUPTIBLE);
-                       schedule_timeout(1);
+                       if(schedule_timeout(1))
+                       {
+                               return -EIO;
+                       }
                }
                if(i == timeout)
                {