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MFC: r268726

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Move the "retry:" label so that the calls to m_pullup() are
not done after the call to m_defrag(). This fixes a problem
where m_pullup() would prepend an mbuf to the list created
by m_defrag() making the chain greater than 32 again.
This commit is contained in:
rmacklem 2014-07-29 21:05:51 +00:00
parent fe6d937978
commit d6fd29cba9
1 changed files with 1 additions and 1 deletions
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2
sys/dev/e1000/if_em.c
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@ -1830,7 +1830,6 @@ em_xmit(struct tx_ring *txr, struct mbuf **m_headp)
int nsegs, i, j, first, last = 0;
int error, do_tso, tso_desc = 0, remap = 1;
retry:
m_head = *m_headp;
txd_upper = txd_lower = txd_used = txd_saved = 0;
do_tso = ((m_head->m_pkthdr.csum_flags & CSUM_TSO) != 0);
@ -1956,6 +1955,7 @@ retry:
tx_buffer_mapped = tx_buffer;
map = tx_buffer->map;
retry:
error = bus_dmamap_load_mbuf_sg(txr->txtag, map,
*m_headp, segs, &nsegs, BUS_DMA_NOWAIT);