fb_err
f->fb_err = ENXIO;
f->fb_err = ENXIO;
fbuf->fb_err = -hdr.error;
if (fbuf->fb_err) {
fbuf->fb_err = EIO;
fbuf->fb_err = error;
fbuf->fb_err = EIO;
fbuf->fb_err = EIO;
fbuf->fb_err = error;
if (fbuf->fb_type == FUSE_INIT && fbuf->fb_err == 0) {
fbuf->fb_err = 0;
return (fbuf->fb_err);