Test in mseopen() whether the device has been configured at all, and

refuse the open intent with ENXIO otherwise.

Closes PR # bin/2226.

Reviewed by:	bde
This commit is contained in:
joerg 1996-12-19 18:33:13 +00:00
parent 7b53451ad8
commit 2fc6559771
2 changed files with 8 additions and 2 deletions

View File

@ -11,7 +11,7 @@
* this software for any purpose. It is provided "as is"
* without express or implied warranty.
*
* $Id: mse.c,v 1.27 1996/06/08 09:37:51 bde Exp $
* $Id: mse.c,v 1.28 1996/09/06 23:07:51 phk Exp $
*/
/*
* Driver for the Logitech and ATI Inport Bus mice for use with 386bsd and
@ -111,6 +111,7 @@ static struct mse_softc {
#define MSESC_WANT 0x2
/* and Mouse Types */
#define MSE_NONE 0 /* don't move this! */
#define MSE_LOGITECH 0x1
#define MSE_ATIINPORT 0x2
#define MSE_LOGI_SIG 0xA5
@ -263,6 +264,8 @@ mseopen(dev, flags, fmt, p)
if (MSE_UNIT(dev) >= NMSE)
return (ENXIO);
sc = &mse_sc[MSE_UNIT(dev)];
if (sc->sc_mousetype == MSE_NONE)
return (ENXIO);
if (sc->sc_flags & MSESC_OPEN)
return (EBUSY);
sc->sc_flags |= MSESC_OPEN;

View File

@ -11,7 +11,7 @@
* this software for any purpose. It is provided "as is"
* without express or implied warranty.
*
* $Id: mse.c,v 1.27 1996/06/08 09:37:51 bde Exp $
* $Id: mse.c,v 1.28 1996/09/06 23:07:51 phk Exp $
*/
/*
* Driver for the Logitech and ATI Inport Bus mice for use with 386bsd and
@ -111,6 +111,7 @@ static struct mse_softc {
#define MSESC_WANT 0x2
/* and Mouse Types */
#define MSE_NONE 0 /* don't move this! */
#define MSE_LOGITECH 0x1
#define MSE_ATIINPORT 0x2
#define MSE_LOGI_SIG 0xA5
@ -263,6 +264,8 @@ mseopen(dev, flags, fmt, p)
if (MSE_UNIT(dev) >= NMSE)
return (ENXIO);
sc = &mse_sc[MSE_UNIT(dev)];
if (sc->sc_mousetype == MSE_NONE)
return (ENXIO);
if (sc->sc_flags & MSESC_OPEN)
return (EBUSY);
sc->sc_flags |= MSESC_OPEN;