Author: mav
Date: Thu Feb 27 11:34:26 2014
New Revision: 262553
URL: http://svnweb.freebsd.org/changeset/base/262553
Log:
Pass proper pointer to bus_dmamem_free() in mps_iocfacts_free().
Passing there pointer into the middle of allocated area caused kernel
panic during reinit, for example, after firmware upgrade.
MFC after: 1 week
Modified:
head/sys/dev/mps/mps.c
Modified: head/sys/dev/mps/mps.c
==============================================================================
--- head/sys/dev/mps/mps.c Thu Feb 27 09:59:15 2014 (r262552)
+++ head/sys/dev/mps/mps.c Thu Feb 27 11:34:26 2014 (r262553)
@@ -617,8 +617,8 @@ mps_iocfacts_free(struct mps_softc *sc)
if (sc->post_busaddr != 0)
bus_dmamap_unload(sc->queues_dmat, sc->queues_map);
- if (sc->post_queue != NULL)
- bus_dmamem_free(sc->queues_dmat, sc->post_queue,
+ if (sc->free_queue != NULL)
+ bus_dmamem_free(sc->queues_dmat, sc->free_queue,
sc->queues_map);
if (sc->queues_dmat != NULL)
bus_dma_tag_destroy(sc->queues_dmat);
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