Date: Thu, 6 Mar 2014 13:25:21 +0000 (UTC) From: Alexander Motin <mav@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-9@freebsd.org Subject: svn commit: r262851 - stable/9/sys/dev/mps Message-ID: <201403061325.s26DPLgK005414@svn.freebsd.org>
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Author: mav Date: Thu Mar 6 13:25:21 2014 New Revision: 262851 URL: http://svnweb.freebsd.org/changeset/base/262851 Log: MFC r262553: 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. Modified: stable/9/sys/dev/mps/mps.c Directory Properties: stable/9/ (props changed) stable/9/sys/ (props changed) stable/9/sys/dev/ (props changed) Modified: stable/9/sys/dev/mps/mps.c ============================================================================== --- stable/9/sys/dev/mps/mps.c Thu Mar 6 13:24:51 2014 (r262850) +++ stable/9/sys/dev/mps/mps.c Thu Mar 6 13:25:21 2014 (r262851) @@ -614,8 +614,8 @@ 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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