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Fill in tp->t_windowsize AFTER the call to (*linesw[tp->t_line].l_open)(),

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rather than BEFORE the call.  Otherwise the structure will be `zero'ed out
by l_open, which actually is ttyopen(), if !TS_OPEN.

PR: kern/12420
This commit is contained in:
Kazutaka YOKOTA 1999-06-29 17:30:33 +00:00
parent 812ca14c4b
commit 8c76a16644
1 changed files with 6 additions and 2 deletions
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8
sys/dev/syscons/syscons.c
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@ -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 1.308 1999/06/24 09:21:27 yokota Exp $
* $Id: syscons.c,v 1.309 1999/06/26 11:00:17 peter Exp $
*/
#include "sc.h"
@ -481,6 +481,7 @@ scopen(dev_t dev, int flag, int mode, struct proc *p)
int unit = scdevtounit(dev);
sc_softc_t *sc;
keyarg_t key;
int error;
if (!tp)
return(ENXIO);
@ -518,6 +519,9 @@ scopen(dev_t dev, int flag, int mode, struct proc *p)
else
if (tp->t_state & TS_XCLUDE && suser(p))
return(EBUSY);
error = (*linesw[tp->t_line].l_open)(dev, tp);
if ((SC_VTY(dev) != SC_CONSOLECTL) && (SC_VTY(dev) != SC_MOUSE)) {
/* assert(sc != NULL) */
if (sc->console[SC_VTY(dev) - sc->first_vty] == NULL) {
@ -534,7 +538,7 @@ scopen(dev_t dev, int flag, int mode, struct proc *p)
= sc->console[SC_VTY(dev) - sc->first_vty]->ysize;
}
}
return ((*linesw[tp->t_line].l_open)(dev, tp));
return error;
}
int