diff options
Diffstat (limited to 'sys/kern/vfs_subr.c')
| -rw-r--r-- | sys/kern/vfs_subr.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/sys/kern/vfs_subr.c b/sys/kern/vfs_subr.c index 8908ec6..4f64313 100644 --- a/sys/kern/vfs_subr.c +++ b/sys/kern/vfs_subr.c @@ -3541,12 +3541,16 @@ vn_isdisk(vp, errp) int error; error = 0; + dev_lock(); if (vp->v_type != VCHR) error = ENOTBLK; else if (vp->v_rdev == NULL) error = ENXIO; - else if (!(devsw(vp->v_rdev)->d_flags & D_DISK)) + else if (vp->v_rdev->si_devsw == NULL) + error = ENXIO; + else if (!(vp->v_rdev->si_devsw->d_flags & D_DISK)) error = ENOTBLK; + dev_unlock(); if (errp != NULL) *errp = error; return (error == 0); |
