Lines Matching refs:retval
135 ssize_t retval;
141 retval = mutex_lock_interruptible(&udev->mutex);
142 if (retval)
143 return retval;
146 retval = -ENODEV;
148 retval = -EAGAIN;
150 retval = copy_to_user(buffer, &udev->brightness,
153 retval = sizeof(udev->brightness);
158 if (retval)
162 retval = wait_event_interruptible(udev->waitq,
165 } while (retval == 0);
167 return retval;