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Callers to dma_buf_mmap expect to fput() the vma struct's vm_file themselves on failure. Not restoring the struct's data on failure causes a double-decrement of the vm_file's refcount. Signed-off-by: John Sheu <[email protected]> Reviewed-by: Daniel Vetter <[email protected]> Signed-off-by: Sumit Semwal <[email protected]>