--- linux-2.6.4/fs/compat_ioctl.c.blkpg 2004-03-16 16:12:17.761705684 -0500 +++ linux-2.6.4/fs/compat_ioctl.c 2004-03-16 16:12:40.186738770 -0500 @@ -1952,6 +1952,7 @@ set_fs (KERNEL_DS); err = sys_ioctl(fd, cmd, (unsigned long)&a); set_fs (old_fs); + break; default: return -EINVAL; }