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Remove ttyfree from sioclose

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Example:
Application use port cua01
Getty open ttyd1 (allocates rawq,outq,etc) and waits while application
done
Application quits, sioclose issued, ttyfree issued (getty calls revoke)
Getty awakes and goes to panic into initrb (NULL rawq)
This commit is contained in:
Andrey A. Chernov 1994-03-18 23:35:37 +00:00
parent e8c3de7e2f
commit 65f120b86a
3 changed files with 3 additions and 18 deletions
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7
sys/dev/sio/sio.c
View File

@ -31,7 +31,7 @@
* SUCH DAMAGE.
*
* from: @(#)com.c 7.5 (Berkeley) 5/16/91
* $Id: sio.c,v 1.33 1994/03/10 10:06:27 ache Exp $
* $Id: sio.c,v 1.34 1994/03/14 18:52:14 ache Exp $
*/
#include "sio.h"
@ -774,11 +774,6 @@ sioclose(dev, flag, mode, p)
(*linesw[tp->t_line].l_close)(tp, flag);
ttyclose(tp);
comhardclose(com);
ttyfree(tp);
#ifdef broken /* session holds a ref to the tty; can't deallocate */
sio_tty[UNIT(dev)] = (struct tty *)NULL;
com->tp = (struct tty *)NULL;
#endif
return (0);
}

7
sys/i386/isa/sio.c
View File

@ -31,7 +31,7 @@
* SUCH DAMAGE.
*
* from: @(#)com.c 7.5 (Berkeley) 5/16/91
* $Id: sio.c,v 1.33 1994/03/10 10:06:27 ache Exp $
* $Id: sio.c,v 1.34 1994/03/14 18:52:14 ache Exp $
*/
#include "sio.h"
@ -774,11 +774,6 @@ sioclose(dev, flag, mode, p)
(*linesw[tp->t_line].l_close)(tp, flag);
ttyclose(tp);
comhardclose(com);
ttyfree(tp);
#ifdef broken /* session holds a ref to the tty; can't deallocate */
sio_tty[UNIT(dev)] = (struct tty *)NULL;
com->tp = (struct tty *)NULL;
#endif
return (0);
}

7
sys/isa/sio.c
View File

@ -31,7 +31,7 @@
* SUCH DAMAGE.
*
* from: @(#)com.c 7.5 (Berkeley) 5/16/91
* $Id: sio.c,v 1.33 1994/03/10 10:06:27 ache Exp $
* $Id: sio.c,v 1.34 1994/03/14 18:52:14 ache Exp $
*/
#include "sio.h"
@ -774,11 +774,6 @@ sioclose(dev, flag, mode, p)
(*linesw[tp->t_line].l_close)(tp, flag);
ttyclose(tp);
comhardclose(com);
ttyfree(tp);
#ifdef broken /* session holds a ref to the tty; can't deallocate */
sio_tty[UNIT(dev)] = (struct tty *)NULL;
com->tp = (struct tty *)NULL;
#endif
return (0);
}