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Switch ste_encap() over to using m_defrag().

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No functional change, the previous ste_encap() was correct WRT
long mbuf chains; this just reduces code duplication.

MFC after:	3 days
Prodded by:	ambrisko
This commit is contained in:
ru 2004-03-30 19:23:38 +00:00
parent 32f32cef56
commit d02badc7e2
1 changed files with 2 additions and 14 deletions
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16
sys/pci/if_ste.c
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@ -1493,25 +1493,13 @@ encap_retry:
/*
* We ran out of segments. We have to recopy this
* mbuf chain first. Bail out if we can't get the
* new buffers. Code borrowed from if_fxp.c
* new buffers.
*/
MGETHDR(mn, M_DONTWAIT, MT_DATA);
mn = m_defrag(m_head, M_DONTWAIT);
if (mn == NULL) {
m_freem(m_head);
return ENOMEM;
}
if (m_head->m_pkthdr.len > MHLEN) {
MCLGET(mn, M_DONTWAIT);
if ((mn->m_flags & M_EXT) == 0) {
m_freem(mn);
m_freem(m_head);
return ENOMEM;
}
}
m_copydata(m_head, 0, m_head->m_pkthdr.len,
mtod(mn, caddr_t));
mn->m_pkthdr.len = mn->m_len = m_head->m_pkthdr.len;
m_freem(m_head);
m_head = mn;
goto encap_retry;
}