K 10 svn:author V 10 nwhitehorn K 8 svn:date V 27 2013-10-02T15:00:04.300050Z K 7 svn:log V 289 MFC r255614,255639: Fix bug in busdma: if segs is a preexisting buffer, we memcpy it into the DMA map. The length of the buffer had not yet been initialized, however, so this would copy gibberish unless it happened to be right by chance. This bug mostly only affected systems with IOMMUs. END