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Follow the advice of the misplaced comment and don't access the map struct

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after freeing it.  Remove the comment whose uselessness has been revealed.
This commit is contained in:
Ian Lepore 2015-10-20 03:27:59 +00:00
parent 11ead989eb
commit cabd1a7c40
1 changed files with 1 additions and 2 deletions
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3
sys/arm/arm/busdma_machdep.c
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@ -786,10 +786,9 @@ bus_dmamem_free(bus_dma_tag_t dmat, void *vaddr, bus_dmamap_t map)
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);