- tndp->ni_nameiop &= ~(MODMASK | OPMASK);
- tndp->ni_nameiop |= RENAME | LOCKPARENT | LOCKLEAF | NOCACHE;
- do {
- dp = VTOI(tndp->ni_dvp);
- if (xp != NULL)
- iput(xp);
- if (error = checkpath(ip, dp, tndp->ni_cred))
- goto out;
- if (error = namei(tndp, p))
- goto out;
- xp = NULL;
- if (tndp->ni_vp)
- xp = VTOI(tndp->ni_vp);
- } while (dp != VTOI(tndp->ni_dvp));
+ if (xp != NULL)
+ iput(xp);
+ if (error = checkpath(ip, dp, tndp->ni_cred))
+ goto out;
+ if ((tndp->ni_nameiop & SAVESTART) == 0)
+ panic("ufs_rename: lost to startdir");
+ if (error = lookup(tndp, p))
+ goto out;
+ dp = VTOI(tndp->ni_dvp);
+ xp = NULL;
+ if (tndp->ni_vp)
+ xp = VTOI(tndp->ni_vp);