diff options
Diffstat (limited to 'sys/kern/vfs_subr.c')
| -rw-r--r-- | sys/kern/vfs_subr.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/sys/kern/vfs_subr.c b/sys/kern/vfs_subr.c index 8b11cc3..16a4785 100644 --- a/sys/kern/vfs_subr.c +++ b/sys/kern/vfs_subr.c @@ -438,7 +438,6 @@ vattr_null(vap) /* * Routines having to do with the management of the vnode table. */ -extern vop_t **dead_vnodeop_p; /* * Return the next vnode from the free list. @@ -2926,6 +2925,8 @@ vn_isdisk(vp, errp) struct vnode *vp; int *errp; { + struct cdevsw *cdevsw; + if (vp->v_type != VBLK && vp->v_type != VCHR) { if (errp != NULL) *errp = ENOTBLK; @@ -2936,12 +2937,13 @@ vn_isdisk(vp, errp) *errp = ENXIO; return (0); } - if (!devsw(vp->v_rdev)) { + cdevsw = devsw(vp->v_rdev); + if (cdevsw == NULL) { if (errp != NULL) *errp = ENXIO; return (0); } - if (!(devsw(vp->v_rdev)->d_flags & D_DISK)) { + if (!(cdevsw->d_flags & D_DISK)) { if (errp != NULL) *errp = ENOTBLK; return (0); |
