diff options
| author | Philipp Zabel <p.zabel@pengutronix.de> | 2013-05-21 05:11:35 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <m.chehab@samsung.com> | 2013-12-09 14:50:50 -0200 |
| commit | c1b96a236e94d49d9396d0bbceb5524519c5c66e (patch) | |
| tree | a65634750514493440bdea83364001f3a48c9b7f /drivers/media/v4l2-core/videobuf2-dma-contig.c | |
| parent | c7223f8f66b685f325879a88a6c955ebf46a8a36 (diff) | |
[media] videobuf2: Add support for file access mode flags for DMABUF exporting
Currently it is not possible for userspace to map a DMABUF exported buffer
with write permissions. This patch allows to also pass O_RDONLY/O_RDWR when
exporting the buffer, so that userspace may map it with write permissions.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Diffstat (limited to 'drivers/media/v4l2-core/videobuf2-dma-contig.c')
| -rw-r--r-- | drivers/media/v4l2-core/videobuf2-dma-contig.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/media/v4l2-core/videobuf2-dma-contig.c b/drivers/media/v4l2-core/videobuf2-dma-contig.c index 646f08f4f504..33d3871d1e13 100644 --- a/drivers/media/v4l2-core/videobuf2-dma-contig.c +++ b/drivers/media/v4l2-core/videobuf2-dma-contig.c @@ -393,7 +393,7 @@ static struct sg_table *vb2_dc_get_base_sgt(struct vb2_dc_buf *buf) return sgt; } -static struct dma_buf *vb2_dc_get_dmabuf(void *buf_priv) +static struct dma_buf *vb2_dc_get_dmabuf(void *buf_priv, unsigned long flags) { struct vb2_dc_buf *buf = buf_priv; struct dma_buf *dbuf; @@ -404,7 +404,7 @@ static struct dma_buf *vb2_dc_get_dmabuf(void *buf_priv) if (WARN_ON(!buf->sgt_base)) return NULL; - dbuf = dma_buf_export(buf, &vb2_dc_dmabuf_ops, buf->size, 0); + dbuf = dma_buf_export(buf, &vb2_dc_dmabuf_ops, buf->size, flags); if (IS_ERR(dbuf)) return NULL; |