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authorMark Kettenis <kettenis@cvs.openbsd.org>2015-05-27 22:10:53 +0000
committerMark Kettenis <kettenis@cvs.openbsd.org>2015-05-27 22:10:53 +0000
commitbe6aac3a754a69c2a15b26cde33aaccac2042105 (patch)
tree9bdd79f7f5dcac0c811e219b0b02fc49e1bb4df1 /sys/dev/pci/if_wpi.c
parent63966299c09d84a8b302a8f428eda7958212686c (diff)
Use m_defrag(9) instead of rolling our own inlined version.
ok mikeb@
Diffstat (limited to 'sys/dev/pci/if_wpi.c')
-rw-r--r--sys/dev/pci/if_wpi.c19
1 files changed, 2 insertions, 17 deletions
diff --git a/sys/dev/pci/if_wpi.c b/sys/dev/pci/if_wpi.c
index 7d838c60249..dce2e1e7b8b 100644
--- a/sys/dev/pci/if_wpi.c
+++ b/sys/dev/pci/if_wpi.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: if_wpi.c,v 1.126 2015/03/16 04:09:53 jsg Exp $ */
+/* $OpenBSD: if_wpi.c,v 1.127 2015/05/27 22:10:52 kettenis Exp $ */
/*-
* Copyright (c) 2006-2008
@@ -1655,7 +1655,6 @@ wpi_tx(struct wpi_softc *sc, struct mbuf *m, struct ieee80211_node *ni)
const struct wpi_rate *rinfo;
struct ieee80211_frame *wh;
struct ieee80211_key *k = NULL;
- struct mbuf *m1;
enum ieee80211_edca_ac ac;
uint32_t flags;
uint16_t qos;
@@ -1833,24 +1832,10 @@ wpi_tx(struct wpi_softc *sc, struct mbuf *m, struct ieee80211_node *ni)
}
if (error != 0) {
/* Too many DMA segments, linearize mbuf. */
- MGETHDR(m1, M_DONTWAIT, MT_DATA);
- if (m1 == NULL) {
+ if (m_defrag(m, M_DONTWAIT)) {
m_freem(m);
return ENOBUFS;
}
- if (m->m_pkthdr.len > MHLEN) {
- MCLGET(m1, M_DONTWAIT);
- if (!(m1->m_flags & M_EXT)) {
- m_freem(m);
- m_freem(m1);
- return ENOBUFS;
- }
- }
- m_copydata(m, 0, m->m_pkthdr.len, mtod(m1, caddr_t));
- m1->m_pkthdr.len = m1->m_len = m->m_pkthdr.len;
- m_freem(m);
- m = m1;
-
error = bus_dmamap_load_mbuf(sc->sc_dmat, data->map, m,
BUS_DMA_NOWAIT | BUS_DMA_WRITE);
if (error != 0) {