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In vrele() we can actually have a VCHR with v_rdev == NULL if we

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came from the bottom of addaliasu().  Don't panic.
This commit is contained in:
Poul-Henning Kamp 2002-10-25 07:58:25 +00:00
parent 7d5b77ef5f
commit 0d6dc414b4
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=105914
1 changed files with 1 additions and 1 deletions
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2
sys/kern/vfs_subr.c
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@ -1958,7 +1958,7 @@ static void
v_incr_usecount(struct vnode *vp, int delta)
{
vp->v_usecount += delta;
if (vp->v_type == VCHR) {
if (vp->v_type == VCHR && vp->v_rdev != NULL) {
mtx_lock(&spechash_mtx);
vp->v_rdev->si_usecount += delta;
mtx_unlock(&spechash_mtx);