svn commit: r314297 - stable/11/sys/kern

[Konstantin Belousov]

Author: kib
Date: Sun Feb 26 10:58:01 2017
New Revision: 314297
URL: https://svnweb.freebsd.org/changeset/base/314297

Log:
  MFC r313688:
  Switch copyout_map() to use vm_mmap_object() instead of vm_mmap().

Modified:
  stable/11/sys/kern/subr_uio.c
Directory Properties:
  stable/11/   (props changed)

Modified: stable/11/sys/kern/subr_uio.c
==============================================================================
--- stable/11/sys/kern/subr_uio.c	Sun Feb 26 10:53:02 2017	(r314296)
+++ stable/11/sys/kern/subr_uio.c	Sun Feb 26 10:58:01 2017	(r314297)
@@ -468,10 +468,11 @@ copyout_map(struct thread *td, vm_offset
 
 	/* 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);
 }