diff options
Diffstat (limited to 'sys/dev/ed')
| -rw-r--r-- | sys/dev/ed/if_ed.c | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/sys/dev/ed/if_ed.c b/sys/dev/ed/if_ed.c index b0e1c0c..80446a6 100644 --- a/sys/dev/ed/if_ed.c +++ b/sys/dev/ed/if_ed.c @@ -1709,12 +1709,19 @@ ed_shmem_write_mbufs(struct ed_softc *sc, struct mbuf *m, bus_size_t dst) break; } } - for (len = 0; m != 0; m = m->m_next) { - if (sc->isa16bit) - bus_space_write_region_2(sc->mem_bst, - sc->mem_bsh, dst, - mtod(m, uint16_t *), (m->m_len + 1)/ 2); - else + for (len = 0; m != NULL; m = m->m_next) { + if (m->m_len == 0) + continue; + if (sc->isa16bit) { + if (m->m_len > 1) + bus_space_write_region_2(sc->mem_bst, + sc->mem_bsh, dst, + mtod(m, uint16_t *), m->m_len / 2); + if ((m->m_len & 1) != 0) + bus_space_write_1(sc->mem_bst, sc->mem_bsh, + dst + m->m_len - 1, + *(mtod(m, uint8_t *) + m->m_len - 1)); + } else bus_space_write_region_1(sc->mem_bst, sc->mem_bsh, dst, mtod(m, uint8_t *), m->m_len); |
