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undo that last

This commit is contained in:
cgd 1994-04-11 21:53:54 +00:00
parent bfefadcc74
commit 49b3055feb
1 changed files with 4 additions and 10 deletions
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14
sys/dev/cons.c
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@ -36,7 +36,7 @@
* SUCH DAMAGE.
*
* from: @(#)cons.c 7.2 (Berkeley) 5/9/91
* $Id: cons.c,v 1.14 1994/04/11 19:53:29 cgd Exp $
* $Id: cons.c,v 1.15 1994/04/11 21:53:54 cgd Exp $
*/
#include <sys/param.h>
@ -101,14 +101,8 @@ cnopen(dev, flag, mode, p)
*/
dev = cn_tab->cn_dev;
if (cn_devvp == NULLVP) {
/*
* try to get a reference on its vnode, but fail silently
* vfinddev XXX
*/
if (vfinddev(dev, VCHR, &cn_devvp) == 0 && vcount(cn_devvp))
vref(cn_devvp);
else
cdevvp(dev, &cn_devvp);
/* try to get a reference on its vnode, but fail silently */
cdevvp(dev, &cn_devvp);
}
return ((*cdevsw[major(dev)].d_open)(dev, flag, mode, p));
}
@ -135,7 +129,7 @@ cnclose(dev, flag, mode, p)
vrele(cn_devvp);
cn_devvp = NULLVP;
}
if ((vfinddev(dev, VCHR, &vp) == 0) && vcount(vp)) /* XXX */
if ((vfinddev(dev, VCHR, &vp) == 0) && vcount(vp))
return (0);
return ((*cdevsw[major(dev)].d_close)(dev, flag, mode, p));
}