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From: Kevin Lo <kevlo@FreeBSD.org>
Date: Fri, 31 Jul 2009 09:57:42 +0000 (UTC)
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Subject: svn commit: r195989 - head/sys/dev/alc
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Author: kevlo
Date: Fri Jul 31 09:57:42 2009
New Revision: 195989
URL: http://svn.freebsd.org/changeset/base/195989

Log:
  Free allocated Rx ring dma memory/tags.
  
  Reviewed by: yongari@
  Approved by: re (kib)

Modified:
  head/sys/dev/alc/if_alc.c

Modified: head/sys/dev/alc/if_alc.c
==============================================================================
--- head/sys/dev/alc/if_alc.c	Fri Jul 31 08:37:27 2009	(r195988)
+++ head/sys/dev/alc/if_alc.c	Fri Jul 31 09:57:42 2009	(r195989)
@@ -1501,6 +1501,21 @@ alc_dma_free(struct alc_softc *sc)
 		bus_dma_tag_destroy(sc->alc_cdata.alc_tx_ring_tag);
 		sc->alc_cdata.alc_tx_ring_tag = NULL;
 	}
+	/* Rx ring. */
+	if (sc->alc_cdata.alc_rx_ring_tag != NULL) {
+		if (sc->alc_cdata.alc_rx_ring_map != NULL)
+			bus_dmamap_unload(sc->alc_cdata.alc_rx_ring_tag,
+			    sc->alc_cdata.alc_rx_ring_map);
+		if (sc->alc_cdata.alc_rx_ring_map != NULL &&
+		    sc->alc_rdata.alc_rx_ring != NULL)
+			bus_dmamem_free(sc->alc_cdata.alc_rx_ring_tag,
+			    sc->alc_rdata.alc_rx_ring,
+			    sc->alc_cdata.alc_rx_ring_map);
+		sc->alc_rdata.alc_rx_ring = NULL;
+		sc->alc_cdata.alc_rx_ring_map = NULL;
+		bus_dma_tag_destroy(sc->alc_cdata.alc_rx_ring_tag);
+		sc->alc_cdata.alc_rx_ring_tag = NULL;
+	}
 	/* Rx return ring. */
 	if (sc->alc_cdata.alc_rr_ring_tag != NULL) {
 		if (sc->alc_cdata.alc_rr_ring_map != NULL)