fs/nfsserver/nfs_nfsdport.c

721 		 * ndp->ni_vp and ni_dvp are left uninitialized or NULL and
744 			NFSVOPUNLOCK(ndp->ni_dvp);
773 			vrele(ndp->ni_dvp);
800 		 * should replace current directory.  Normally ni_dvp
809 			vrele(ndp->ni_dvp);
810 			ndp->ni_dvp = ndp->ni_rootdir;
811 			VREF(ndp->ni_dvp);
813 		ndp->ni_startdir = ndp->ni_dvp;
814 		ndp->ni_dvp = NULL;
823 		ndp->ni_dvp = NULL;
826 		ndp->ni_dvp = NULL;
1220 			error = VOP_CREATE(ndp->ni_dvp,
1232 			VOP_VPUT_PAIR(ndp->ni_dvp, error == 0 ? &ndp->ni_vp :
1261 				vput(ndp->ni_dvp);
1265 			error = VOP_MKNOD(ndp->ni_dvp, &ndp->ni_vp,
1267 			VOP_VPUT_PAIR(ndp->ni_dvp, error == 0 ? &ndp->ni_vp :
1274 			vput(ndp->ni_dvp);
1288 		if (ndp->ni_dvp == *vpp)
1289 			vrele(ndp->ni_dvp);
1291 			vput(ndp->ni_dvp);
1329 		vput(ndp->ni_dvp);
1336 		vput(ndp->ni_dvp);
1341 		error = VOP_CREATE(ndp->ni_dvp, &ndp->ni_vp,
1343 		VOP_VPUT_PAIR(ndp->ni_dvp, error == 0 ? &ndp->ni_vp : NULL,
1350 			vput(ndp->ni_dvp);
1353 		error = VOP_MKNOD(ndp->ni_dvp, &ndp->ni_vp,
1355 		VOP_VPUT_PAIR(ndp->ni_dvp, error == 0 ? &ndp->ni_vp : NULL,
1379 		if (ndp->ni_dvp == ndp->ni_vp)
1380 			vrele(ndp->ni_dvp);
1382 			vput(ndp->ni_dvp);
1388 	error = VOP_MKDIR(ndp->ni_dvp, &ndp->ni_vp, &ndp->ni_cnd,
1390 	VOP_VPUT_PAIR(ndp->ni_dvp, error == 0 ? &ndp->ni_vp : NULL, false);
1410 		if (ndp->ni_dvp == ndp->ni_vp)
1411 			vrele(ndp->ni_dvp);
1413 			vput(ndp->ni_dvp);
1419 	error = VOP_SYMLINK(ndp->ni_dvp, &ndp->ni_vp, &ndp->ni_cnd,
1427 	VOP_VPUT_PAIR(ndp->ni_dvp, &ndp->ni_vp, !not_v2 && error == 0);
1503 		error = VOP_REMOVE(ndp->ni_dvp, vp, &ndp->ni_cnd);
1506 	if (ndp->ni_dvp == vp)
1507 		vrele(ndp->ni_dvp);
1509 		vput(ndp->ni_dvp);
1534 	if (ndp->ni_dvp == vp) {
1545 		error = VOP_RMDIR(ndp->ni_dvp, vp, &ndp->ni_cnd);
1546 	if (ndp->ni_dvp == vp)
1547 		vrele(ndp->ni_dvp);
1549 		vput(ndp->ni_dvp);
1571 		vrele(fromndp->ni_dvp);
1576 	tdvp = tondp->ni_dvp;
1652 		error = VOP_RENAME(fromndp->ni_dvp, fromndp->ni_vp,
1653 		    &fromndp->ni_cnd, tondp->ni_dvp, tondp->ni_vp,
1662 		vrele(fromndp->ni_dvp);
1699 		xp = ndp->ni_dvp;
1708 				error = VOP_LINK(ndp->ni_dvp, vp, &ndp->ni_cnd);
1711 		if (ndp->ni_dvp == vp) {
1712 			vrele(ndp->ni_dvp);
1716 			VOP_VPUT_PAIR(ndp->ni_dvp, &vp, true);
1719 		if (ndp->ni_dvp == ndp->ni_vp)
1720 			vrele(ndp->ni_dvp);
1722 			vput(ndp->ni_dvp);
1903 			nd->nd_repstat = VOP_CREATE(ndp->ni_dvp,
1915 			VOP_VPUT_PAIR(ndp->ni_dvp, nd->nd_repstat == 0 ?
1943 				if (ndp->ni_dvp == vp)
1944 					vrele(ndp->ni_dvp);
1946 					vput(ndp->ni_dvp);
1981 		if (ndp->ni_dvp == ndp->ni_vp)
1982 			vrele(ndp->ni_dvp);
1984 			vput(ndp->ni_dvp);