Symbol: V4L2_BUF_FLAG_ERROR
sys/dev/usb/uvideo.c
2780
sc->sc_mmap_cur->v4l2_buf.flags &= ~V4L2_BUF_FLAG_ERROR;
sys/dev/usb/uvideo.c
2782
sc->sc_mmap_cur->v4l2_buf.flags |= V4L2_BUF_FLAG_ERROR;