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Fix stupid braino in last commit, initialize `vp' before we test vp->v_tag.

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Spotted by: dillon
This commit is contained in:
Jonathan Lemon 2000-06-25 18:10:45 +00:00
parent 493c240c48
commit cb5ad9d362
1 changed files with 2 additions and 2 deletions
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4
sys/kern/vfs_vnops.c
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@ -669,6 +669,8 @@ filt_vnattach(struct knote *kn)
kn->kn_fp->f_type != DTYPE_FIFO) kn->kn_fp->f_type != DTYPE_FIFO)
return (EBADF); return (EBADF);
vp = (struct vnode *)kn->kn_fp->f_data;
/* /*
* XXX * XXX
* this is a hack simply to cause the filter attach to fail * this is a hack simply to cause the filter attach to fail
@ -677,8 +679,6 @@ filt_vnattach(struct knote *kn)
if ((vp)->v_tag != VT_UFS) if ((vp)->v_tag != VT_UFS)
return (EOPNOTSUPP); return (EOPNOTSUPP);
vp = (struct vnode *)kn->kn_fp->f_data;
simple_lock(&vp->v_pollinfo.vpi_lock); simple_lock(&vp->v_pollinfo.vpi_lock);
SLIST_INSERT_HEAD(&vp->v_pollinfo.vpi_selinfo.si_note, kn, kn_selnext); SLIST_INSERT_HEAD(&vp->v_pollinfo.vpi_selinfo.si_note, kn, kn_selnext);
simple_unlock(&vp->v_pollinfo.vpi_lock); simple_unlock(&vp->v_pollinfo.vpi_lock);