Pull dma-buf framework updates from Sumit Semwal:
"Refcounting implemented for vmap in core dma-buf"
* tag 'tag-for-linus-3.9' of git://git.linaro.org/people/sumitsemwal/linux-dma-buf:
CHROMIUM: dma-buf: restore args on failure of dma_buf_mmap
dma-buf: implement vmap refcounting in the interface logic