Use ENOIOCTL instead of -1 (= ERESTART) for tty ioctls that are

not handled at a particular level.  This fixes mainly restarting
of interrupted TIOCDRAINs and TIOCSETA{W,F}s.

1 files changed, 3 insertions, 3 deletions

diff --git a/sys/isa/syscons.c b/sys/isa/syscons.c
index 43c62ad260e5..9e6353c357f9 100644
--- a/sys/isa/syscons.c
+++ b/sys/isa/syscons.c
@@ -25,7 +25,7 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
- *  $Id: syscons.c,v 1.239 1997/11/21 11:37:05 yokota Exp $
+ *  $Id: syscons.c,v 1.240 1997/11/25 12:44:44 sos Exp $
  */
 
 #include "sc.h"
@@ -1693,10 +1693,10 @@ scioctl(dev_t dev, int cmd, caddr_t data, int flag, struct proc *p)
     }
 
     error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, p);
-    if (error >= 0)
+    if (error != ENOIOCTL)
 	return(error);
     error = ttioctl(tp, cmd, data, flag);
-    if (error >= 0)
+    if (error != ENOIOCTL)
 	return(error);
     return(ENOTTY);
 }