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Replace custom mbuf writeability test with generic

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M_WRITEABLE() test covering all edge cases too.
This commit is contained in:
Andre Oppermann 2005-09-19 21:59:49 +00:00
parent cf61a39e6c
commit 0ec75b9be9
1 changed files with 2 additions and 2 deletions
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4
sys/dev/fatm/if_fatm.c
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@ -1838,7 +1838,7 @@ fatm_fix_chain(struct fatm_softc *sc, struct mbuf **mp)
d = mtod(m, u_char *);
if ((off = (uintptr_t)(void *)d % 4) != 0) {
if (!(m->m_flags & M_EXT) || !MEXT_IS_REF(m)) {
if (M_WRITABLE(m)) {
sc->istats.fix_addr_copy++;
bcopy(d, d - off, m->m_len);
m->m_data = (caddr_t)(d - off);
@ -1857,7 +1857,7 @@ fatm_fix_chain(struct fatm_softc *sc, struct mbuf **mp)
}
if ((off = m->m_len % 4) != 0) {
if ((m->m_flags & M_EXT) && MEXT_IS_REF(m)) {
if (!M_WRITABLE(m)) {
if ((new = copy_mbuf(m)) == NULL) {
sc->istats.fix_len_noext++;
goto fail;