Index: main.c
===================================================================
RCS file: /home/ncvs/src/sbin/fsck_ffs/main.c,v
retrieving revision 1.36
diff -u -r1.36 main.c
--- main.c	21 Aug 2002 18:10:28 -0000	1.36
+++ main.c	8 Dec 2002 16:20:08 -0000
@@ -227,7 +227,11 @@
 		if (sysctlnametomib("vfs.ffs.adjrefcnt", adjrefcnt, &size) < 0)
 			exit(6);	/* Lacks kernel support */
 		if ((mntp == NULL && sblock.fs_clean == 1) ||
-		    (mntp != NULL && (sblock.fs_flags & FS_UNCLEAN) == 0))
+		    (mntp != NULL && (
+		      ((mntp->f_flags & MNT_RDONLY) &&
+		     		(sblock.fs_clean == 1)) ||
+		      (!(mntp->f_flags & MNT_RDONLY) &&
+				(sblock.fs_flags & FS_UNCLEAN) == 0))))
 			exit(7);	/* Filesystem clean, report it now */
 		exit(0);
 	}