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authorPyun YongHyeon <yongari@FreeBSD.org>2009-01-08 04:26:44 +0000
committerPyun YongHyeon <yongari@FreeBSD.org>2009-01-08 04:26:44 +0000
commite2157cf706690e84cb65f5150142db378f4776f1 (patch)
treeaa73d572cc8eac894afb33588879702cca8e48fe /sys/dev/fxp
parent8550170477df37365718dd617b67f69e0956161c (diff)
Notes
Diffstat (limited to 'sys/dev/fxp')
-rw-r--r--sys/dev/fxp/if_fxp.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/sys/dev/fxp/if_fxp.c b/sys/dev/fxp/if_fxp.c
index 9a6851c9c227..ca1a6141ae3f 100644
--- a/sys/dev/fxp/if_fxp.c
+++ b/sys/dev/fxp/if_fxp.c
@@ -2545,7 +2545,8 @@ fxp_new_rfabuf(struct fxp_softc *sc, struct fxp_rx *rxp)
return (error);
}
- bus_dmamap_unload(sc->fxp_mtag, rxp->rx_map);
+ if (rxp->rx_mbuf != NULL)
+ bus_dmamap_unload(sc->fxp_mtag, rxp->rx_map);
tmp_map = sc->spare_map;
sc->spare_map = rxp->rx_map;
rxp->rx_map = tmp_map;