| vm_mmap.c (89306) | vm_mmap.c (89319) |
|---|---|
| 1/* 2 * Copyright (c) 1988 University of Utah. 3 * Copyright (c) 1991, 1993 4 * The Regents of the University of California. All rights reserved. 5 * 6 * This code is derived from software contributed to Berkeley by 7 * the Systems Programming Group of the University of Utah Computer 8 * Science Department. --- 24 unchanged lines hidden (view full) --- 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 * 38 * from: Utah $Hdr: vm_mmap.c 1.6 91/10/21$ 39 * 40 * @(#)vm_mmap.c 8.4 (Berkeley) 1/12/94 | 1/* 2 * Copyright (c) 1988 University of Utah. 3 * Copyright (c) 1991, 1993 4 * The Regents of the University of California. All rights reserved. 5 * 6 * This code is derived from software contributed to Berkeley by 7 * the Systems Programming Group of the University of Utah Computer 8 * Science Department. --- 24 unchanged lines hidden (view full) --- 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 * 38 * from: Utah $Hdr: vm_mmap.c 1.6 91/10/21$ 39 * 40 * @(#)vm_mmap.c 8.4 (Berkeley) 1/12/94 |
| 41 * $FreeBSD: head/sys/vm/vm_mmap.c 89306 2002-01-13 11:58:06Z alfred $ | 41 * $FreeBSD: head/sys/vm/vm_mmap.c 89319 2002-01-14 00:13:45Z alfred $ |
| 42 */ 43 44/* 45 * Mapped file (mmap) interface to VM 46 */ 47 48#include "opt_bleed.h" 49#include "opt_compat.h" --- 237 unchanged lines hidden (view full) --- 287 maxprot = VM_PROT_ALL; 288 pos = 0; 289 } else { 290 /* 291 * Mapping file, get fp for validation. Obtain vnode and make 292 * sure it is of appropriate type. 293 * don't let the descriptor disappear on us if we block 294 */ | 42 */ 43 44/* 45 * Mapped file (mmap) interface to VM 46 */ 47 48#include "opt_bleed.h" 49#include "opt_compat.h" --- 237 unchanged lines hidden (view full) --- 287 maxprot = VM_PROT_ALL; 288 pos = 0; 289 } else { 290 /* 291 * Mapping file, get fp for validation. Obtain vnode and make 292 * sure it is of appropriate type. 293 * don't let the descriptor disappear on us if we block 294 */ |
| 295 fp = ffind_hold(td, uap->fd); 296 if (fp == NULL) { 297 error = EBADF; | 295 if ((error = fget(td, uap->fd, &fp)) != 0) |
| 298 goto done; | 296 goto done; |
| 299 } | |
| 300 if (fp->f_type != DTYPE_VNODE) { 301 error = EINVAL; 302 goto done; 303 } 304 305 /* 306 * POSIX shared-memory objects are defined to have 307 * kernel persistence, and are not defined to support --- 974 unchanged lines hidden --- | 297 if (fp->f_type != DTYPE_VNODE) { 298 error = EINVAL; 299 goto done; 300 } 301 302 /* 303 * POSIX shared-memory objects are defined to have 304 * kernel persistence, and are not defined to support --- 974 unchanged lines hidden --- |