if (retval)
dbg("mknod(%s, %#o, %u, %u) failed with error '%s'",
filename, dev->mode, dev->major, dev->minor, strerror(errno));
if (retval)
dbg("mknod(%s, %#o, %u, %u) failed with error '%s'",
filename, dev->mode, dev->major, dev->minor, strerror(errno));