Author: ian
Date: Sun Jan 24 18:25:37 2016
New Revision: 294671
URL: https://svnweb.freebsd.org/changeset/base/294671

Log:
  MFC r289619:
  
    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:
  stable/10/sys/arm/arm/busdma_machdep.c
Directory Properties:
  stable/10/   (props changed)

Modified: stable/10/sys/arm/arm/busdma_machdep.c
==============================================================================
--- stable/10/sys/arm/arm/busdma_machdep.c      Sun Jan 24 18:11:36 2016        
(r294670)
+++ stable/10/sys/arm/arm/busdma_machdep.c      Sun Jan 24 18:25:37 2016        
(r294671)
@@ -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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