Hi Laurent, Thank you for finding a bug in vb2-core. Regards, Tomasz Stanislawski On 01/23/2012 03:35 PM, Laurent Pinchart wrote:
The vb2_get_vma() function is called by videobuf2-dma-contig. Export it. Signed-off-by: Laurent Pinchart<laurent.pinchart@xxxxxxxxxxxxxxxx> --- drivers/media/video/videobuf2-memops.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) Hi Thomas, The following patch is needed to compile videobuf2-dma-contig as a module. diff --git a/drivers/media/video/videobuf2-memops.c b/drivers/media/video/videobuf2-memops.c index 71a7a78..718f70e 100644 --- a/drivers/media/video/videobuf2-memops.c +++ b/drivers/media/video/videobuf2-memops.c @@ -55,6 +55,7 @@ struct vm_area_struct *vb2_get_vma(struct vm_area_struct *vma) return vma_copy; } +EXPORT_SYMBOL_GPL(vb2_get_vma); /** * vb2_put_userptr() - release a userspace virtual memory area
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