diff options
Diffstat (limited to 'sys/miscfs/procfs/procfs_subr.c')
| -rw-r--r-- | sys/miscfs/procfs/procfs_subr.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/sys/miscfs/procfs/procfs_subr.c b/sys/miscfs/procfs/procfs_subr.c index 12dcf764aba29..e13e4257181a1 100644 --- a/sys/miscfs/procfs/procfs_subr.c +++ b/sys/miscfs/procfs/procfs_subr.c @@ -36,7 +36,7 @@ * * @(#)procfs_subr.c 8.6 (Berkeley) 5/14/95 * - * $Id: procfs_subr.c,v 1.18 1997/12/06 04:11:12 sef Exp $ + * $Id: procfs_subr.c,v 1.19 1997/12/08 01:06:22 sef Exp $ */ #include <sys/param.h> @@ -359,7 +359,15 @@ procfs_exit(struct proc *p) pid_t pid = p->p_pid; for (pfs = pfshead; pfs ; pfs = pfs->pfs_next) { - if (pfs->pfs_pid == pid) - vgone(PFSTOV(pfs)); + struct vnode *vp = PFSTOV(pfs); + /* + * XXX - this is probably over-paranoid here -- + * for some reason, occasionally the v_tag is + * not VT_PROCFS; this results in a panic. I'm + * not sure *why* that is happening. + */ + if (pfs->pfs_pid == pid && vp->v_usecount && + vp->v_tag == VT_PROCFS) + vgone(vp); } } |