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If bus_dmamap_load() failed, we free the mbuf. We also need to clear

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the pointer, to avoid double free on next bge_stop().
This commit is contained in:
Gleb Smirnoff 2005-11-30 12:37:07 +00:00
parent 54586e49a3
commit f7cea1494f
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=152953
1 changed files with 6 additions and 2 deletions
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8
sys/dev/bge/if_bge.c
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@ -937,8 +937,10 @@ bge_newbuf_std(sc, i, m)
sc->bge_cdata.bge_rx_std_dmamap[i], mtod(m_new, void *),
m_new->m_len, bge_dma_map_addr, &ctx, BUS_DMA_NOWAIT);
if (error || ctx.bge_maxsegs == 0) {
if (m == NULL)
if (m == NULL) {
sc->bge_cdata.bge_rx_std_chain[i] = NULL;
m_freem(m_new);
}
return(ENOMEM);
}
r->bge_addr.bge_addr_lo = htole32(BGE_ADDR_LO(ctx.bge_busaddr));
@ -1009,8 +1011,10 @@ bge_newbuf_jumbo(sc, i, m)
sc->bge_cdata.bge_rx_jumbo_dmamap[i], mtod(m_new, void *),
m_new->m_len, bge_dma_map_addr, &ctx, BUS_DMA_NOWAIT);
if (error || ctx.bge_maxsegs == 0) {
if (m == NULL)
if (m == NULL) {
sc->bge_cdata.bge_rx_jumbo_chain[i] = NULL;
m_freem(m_new);
}
return(ENOMEM);
}
r->bge_addr.bge_addr_lo = htole32(BGE_ADDR_LO(ctx.bge_busaddr));