Index: nfs_vfsops.c
===================================================================
RCS file: /home/ncvs/src/sys/nfsclient/nfs_vfsops.c,v
retrieving revision 1.175
diff -u -r1.175 nfs_vfsops.c
--- nfs_vfsops.c	17 May 2005 12:00:43 -0000	1.175
+++ nfs_vfsops.c	17 May 2005 16:53:30 -0000
@@ -519,9 +519,9 @@
 	 * flag is already clear, or this is a root mount and it was set
 	 * intentionally at some previous point.
 	 */
-	if (vfs_getopt(mp->mnt_optnew, "ro", NULL, NULL) != 0)
+	if (vfs_getopt(mp->mnt_optnew, "ro", NULL, NULL) == 0)
 		mp->mnt_flag |= MNT_RDONLY;
-	else if (!(mp->mnt_flag & MNT_UPDATE))
+	else if (mp->mnt_flag & MNT_UPDATE)
 		mp->mnt_flag &= ~MNT_RDONLY;
 
 	/*