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forgot to commit one patch:

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Avoid returning released(free), but still hashed inode numbers.
(Ilya Zykov)
This commit is contained in:
christos 2014-03-27 21:13:06 +00:00
parent 33baebc2e5
commit 4d87c37c1f
1 changed files with 6 additions and 4 deletions
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10
sys/fs/ptyfs/ptyfs_vnops.c
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@ -1,4 +1,4 @@
/* $NetBSD: ptyfs_vnops.c,v 1.44 2014/03/21 17:21:53 christos Exp $ */
/* $NetBSD: ptyfs_vnops.c,v 1.45 2014/03/27 21:13:06 christos Exp $ */
/*
* Copyright (c) 1993, 1995
@ -76,7 +76,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: ptyfs_vnops.c,v 1.44 2014/03/21 17:21:53 christos Exp $");
__KERNEL_RCSID(0, "$NetBSD: ptyfs_vnops.c,v 1.45 2014/03/27 21:13:06 christos Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -616,7 +616,8 @@ ptyfs_lookup(void *v)
pty = atoi(pname, cnp->cn_namelen);
if (pty < 0 || pty >= npty || pty_isfree(pty, 1))
if (pty < 0 || pty >= npty || pty_isfree(pty, 1) ||
ptyfs_used_get(PTYFSptc, pty, dvp->v_mount, 0) == NULL)
break;
error = ptyfs_allocvp(dvp->v_mount, vpp, PTYFSpts, pty,
@ -711,7 +712,8 @@ ptyfs_readdir(void *v)
}
for (; uio->uio_resid >= UIO_MX && i < npty; i++) {
/* check for used ptys */
if (ptyfs_used_get(PTYFSptc, i - 2, vp->v_mount, 0) == NULL)
if (pty_isfree(i - 2, 1) ||
ptyfs_used_get(PTYFSptc, i - 2, vp->v_mount, 0) == NULL)
continue;
dp->d_fileno = PTYFS_FILENO(i - 2, PTYFSpts);