diff -r 4ed269ac7d84 tools/ioemu/vl.c
--- a/tools/ioemu/vl.c	Mon Apr 10 13:24:58 2006 +0100
+++ b/tools/ioemu/vl.c	Mon Apr 10 09:49:36 2006 -0600
@@ -3245,8 +3245,17 @@ int main(int argc, char **argv)
     /* we always create the cdrom drive, even if no disk is there */
     bdrv_init();
     if (has_cdrom) {
-        bs_table[2] = bdrv_new("cdrom");
-        bdrv_set_type_hint(bs_table[2], BDRV_TYPE_CDROM);
+        int fd;
+        if ( (fd = open(hd_filename[2], O_RDONLY | O_BINARY)) < 0) {
+                hd_filename[2]=NULL;
+                bs_table[2]=NULL;
+                fprintf(logfile, "Could not open CD %s.\n", hd_filename[i]);
+        }
+        else {
+                close(fd);
+                bs_table[2] = bdrv_new("cdrom");
+                bdrv_set_type_hint(bs_table[2], BDRV_TYPE_CDROM);
+        }
     }
 
     /* open the virtual block devices */