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Replace if_fxp's handrolled defrag function with m_defrag.

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No actual bug with the existing code, just tidying things up.

Submitted by:	hmp
This commit is contained in:
Mike Silbersack 2003-06-02 05:16:42 +00:00
parent 46ea475783
commit 1104779b70
1 changed files with 3 additions and 14 deletions
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17
sys/dev/fxp/if_fxp.c
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@ -1396,24 +1396,13 @@ fxp_start_body(struct ifnet *ifp)
* mbuf chain first. Bail out if we can't get the
* new buffers.
*/
MGETHDR(mn, M_DONTWAIT, MT_DATA);
mn = m_defrag(mb_head, M_DONTWAIT);
if (mn == NULL) {
m_freem(mb_head);
break;
} else {
mb_head = mn;
}
if (mb_head->m_pkthdr.len > MHLEN) {
MCLGET(mn, M_DONTWAIT);
if ((mn->m_flags & M_EXT) == 0) {
m_freem(mn);
m_freem(mb_head);
break;
}
}
m_copydata(mb_head, 0, mb_head->m_pkthdr.len,
mtod(mn, caddr_t));
mn->m_pkthdr.len = mn->m_len = mb_head->m_pkthdr.len;
m_freem(mb_head);
mb_head = mn;
error = bus_dmamap_load_mbuf(sc->fxp_mtag, txp->tx_map,
mb_head, fxp_dma_map_txbuf, sc, 0);
if (error) {