Author: marius
Date: Sat Jun 1 11:42:47 2013
New Revision: 251221
URL: http://svnweb.freebsd.org/changeset/base/251221
Log:
Move an assertion to the right spot; only bus_dmamap_load_mbuf(9)
requires a pkthdr being present but that's not the case for either
_bus_dmamap_load_mbuf_sg() or bus_dmamap_load_mbuf_sg(9).
Reported by: sbruno
MFC after: 1 week
Modified:
head/sys/kern/subr_bus_dma.c
Modified: head/sys/kern/subr_bus_dma.c
==============================================================================
--- head/sys/kern/subr_bus_dma.c Sat Jun 1 11:31:09 2013
(r251220)
+++ head/sys/kern/subr_bus_dma.c Sat Jun 1 11:42:47 2013
(r251221)
@@ -104,8 +104,6 @@ _bus_dmamap_load_mbuf_sg(bus_dma_tag_t d
struct mbuf *m;
int error;
- M_ASSERTPKTHDR(m0);
-
error = 0;
for (m = m0; m != NULL && error == 0; m = m->m_next) {
if (m->m_len > 0) {
@@ -323,6 +321,8 @@ bus_dmamap_load_mbuf(bus_dma_tag_t dmat,
bus_dma_segment_t *segs;
int nsegs, error;
+ M_ASSERTPKTHDR(m0);
+
flags |= BUS_DMA_NOWAIT;
nsegs = -1;
error = _bus_dmamap_load_mbuf_sg(dmat, map, m0, NULL, &nsegs, flags);
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