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| author | kib <kib@FreeBSD.org> | 2017-02-26 10:58:01 +0000 |
|---|---|---|
| committer | kib <kib@FreeBSD.org> | 2017-02-26 10:58:01 +0000 |
| commit | 1173a6966c215fd6f21eaf062897bc8e0ced31e1 (patch) | |
| tree | f84288d2e94e1efd86c781a35091b079d6368818 | |
| parent | 9819b36e61acfd5bb1d5649008d08e8a4426eb55 (diff) | |
| download | FreeBSD-src-1173a6966c215fd6f21eaf062897bc8e0ced31e1.zip FreeBSD-src-1173a6966c215fd6f21eaf062897bc8e0ced31e1.tar.gz | |
MFC r313688:
Switch copyout_map() to use vm_mmap_object() instead of vm_mmap().
| -rw-r--r-- | sys/kern/subr_uio.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/sys/kern/subr_uio.c b/sys/kern/subr_uio.c index c856a6e..c00a901 100644 --- a/sys/kern/subr_uio.c +++ b/sys/kern/subr_uio.c @@ -468,10 +468,11 @@ copyout_map(struct thread *td, vm_offset_t *addr, size_t sz) /* round size up to page boundary */ size = (vm_size_t)round_page(sz); - - error = vm_mmap(&vms->vm_map, addr, size, VM_PROT_READ | VM_PROT_WRITE, - VM_PROT_ALL, MAP_PRIVATE | MAP_ANON, OBJT_DEFAULT, NULL, 0); - + if (size == 0) + return (EINVAL); + error = vm_mmap_object(&vms->vm_map, addr, size, VM_PROT_READ | + VM_PROT_WRITE, VM_PROT_ALL, MAP_PRIVATE | MAP_ANON, NULL, 0, + FALSE, td); return (error); } |
