K 10
svn:author
V 3
kan
K 8
svn:date
V 27
2014-06-23T03:45:39.793520Z
K 7
svn:log
V 335
Restore the check for non-NULL dmatag in sndbuf_free.

The sound drivers that use own buffer management can use sndbuf_setup
and not do any busdma allocation, so the driver will end up with the
managed buffer but no valid dma map and tag for it. Avoid calling
bus_dmamem_free in such cases.

Reported by: ache
Missed in review by: kan

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