Author: adrian
Date: Sat Jul 14 02:47:16 2012
New Revision: 238435
URL: http://svn.freebsd.org/changeset/base/238435
Log:
Don't free the descriptor allocation/map if it doesn't exist.
I missed this in my previous commit.
Modified:
head/sys/dev/ath/if_ath.c
Modified: head/sys/dev/ath/if_ath.c
==============================================================================
--- head/sys/dev/ath/if_ath.c Sat Jul 14 02:45:44 2012 (r238434)
+++ head/sys/dev/ath/if_ath.c Sat Jul 14 02:47:16 2012 (r238435)
@@ -2956,10 +2956,12 @@ ath_descdma_cleanup(struct ath_softc *sc
struct ath_buf *bf;
struct ieee80211_node *ni;
- bus_dmamap_unload(dd->dd_dmat, dd->dd_dmamap);
- bus_dmamem_free(dd->dd_dmat, dd->dd_desc, dd->dd_dmamap);
- bus_dmamap_destroy(dd->dd_dmat, dd->dd_dmamap);
- bus_dma_tag_destroy(dd->dd_dmat);
+ if (dd->dd_dmamap != 0) {
+ bus_dmamap_unload(dd->dd_dmat, dd->dd_dmamap);
+ bus_dmamem_free(dd->dd_dmat, dd->dd_desc, dd->dd_dmamap);
+ bus_dmamap_destroy(dd->dd_dmat, dd->dd_dmamap);
+ bus_dma_tag_destroy(dd->dd_dmat);
+ }
TAILQ_FOREACH(bf, head, bf_list) {
if (bf->bf_m) {
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