Author: ian
Date: Tue Oct 20 03:27:59 2015
New Revision: 289619
URL: https://svnweb.freebsd.org/changeset/base/289619
Log:
Follow the advice of the misplaced comment and don't access the map struct
after freeing it. Remove the comment whose uselessness has been revealed.
Modified:
head/sys/arm/arm/busdma_machdep.c
Modified: head/sys/arm/arm/busdma_machdep.c
==============================================================================
--- head/sys/arm/arm/busdma_machdep.c Tue Oct 20 03:25:17 2015
(r289618)
+++ head/sys/arm/arm/busdma_machdep.c Tue Oct 20 03:27:59 2015
(r289619)
@@ -786,10 +786,9 @@ bus_dmamem_free(bus_dma_tag_t dmat, void
ba = coherent_allocator;
else
ba = standard_allocator;
- uma_zfree(dmamap_zone, map);
free(map->slist, M_DEVBUF);
- /* Be careful not to access map from here on. */
+ uma_zfree(dmamap_zone, map);
bufzone = busdma_bufalloc_findzone(ba, dmat->maxsize);
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