- if (vp->v_type == VDIR &&
- (error = suser(p->p_ucred, &p->p_acflag)))
- goto out1;
- nd.ni_cnd.cn_nameiop = CREATE;
- nd.ni_cnd.cn_flags = LOCKPARENT;
- nd.ni_dirp = (caddr_t)uap->linkname;
- if (error = namei(&nd))
- goto out1;
- xp = nd.ni_vp;
- if (xp != NULL) {
- error = EEXIST;
- goto out;
- }
- xp = nd.ni_dvp;
-out:
- if (!error) {
- LEASE_CHECK(xp, p, p->p_ucred, LEASE_WRITE);
- LEASE_CHECK(vp, p, p->p_ucred, LEASE_WRITE);
- error = VOP_LINK(nd.ni_dvp, vp, &nd.ni_cnd);
- } else {
- VOP_ABORTOP(nd.ni_dvp, &nd.ni_cnd);
- if (nd.ni_dvp == nd.ni_vp)
- vrele(nd.ni_dvp);
- else
- vput(nd.ni_dvp);
- if (nd.ni_vp)
- vrele(nd.ni_vp);
+ if (vp->v_type != VDIR ||
+ (error = suser(p->p_ucred, &p->p_acflag)) == 0) {
+ nd.ni_cnd.cn_nameiop = CREATE;
+ nd.ni_cnd.cn_flags = LOCKPARENT;
+ nd.ni_dirp = uap->link;
+ if ((error = namei(&nd)) == 0) {
+ if (nd.ni_vp != NULL)
+ error = EEXIST;
+ if (!error) {
+ LEASE_CHECK(nd.ni_dvp,
+ p, p->p_ucred, LEASE_WRITE);
+ LEASE_CHECK(vp,
+ p, p->p_ucred, LEASE_WRITE);
+ error = VOP_LINK(nd.ni_dvp, vp, &nd.ni_cnd);
+ } else {
+ VOP_ABORTOP(nd.ni_dvp, &nd.ni_cnd);
+ if (nd.ni_dvp == nd.ni_vp)
+ vrele(nd.ni_dvp);
+ else
+ vput(nd.ni_dvp);
+ if (nd.ni_vp)
+ vrele(nd.ni_vp);
+ }
+ }