The videobuf_dma_init* and videobuf_dma_map() functions are no longer
used except in videobuf-dma-sg.c itself. Make them static.
These functions were abused in various drivers. All those drivers
have now been fixed, so by no longer exporting these functions
future abuse is now prevented.
Signed-off-by: Hans Verkuil <hans.verk...@cisco.com>
---
drivers/media/v4l2-core/videobuf-dma-sg.c | 15 +++++----------
include/media/videobuf-dma-sg.h | 8 --------
2 files changed, 5 insertions(+), 18 deletions(-)
diff --git a/drivers/media/v4l2-core/videobuf-dma-sg.c
b/drivers/media/v4l2-core/videobuf-dma-sg.c
index 3ff15f1..f669ced 100644
--- a/drivers/media/v4l2-core/videobuf-dma-sg.c
+++ b/drivers/media/v4l2-core/videobuf-dma-sg.c
@@ -145,12 +145,11 @@ struct videobuf_dmabuf *videobuf_to_dma(struct
videobuf_buffer *buf)
}
EXPORT_SYMBOL_GPL(videobuf_to_dma);
-void videobuf_dma_init(struct videobuf_dmabuf *dma)
+static void videobuf_dma_init(struct videobuf_dmabuf *dma)
{
memset(dma, 0, sizeof(*dma));
dma->magic = MAGIC_DMABUF;
}
-EXPORT_SYMBOL_GPL(videobuf_dma_init);
static int videobuf_dma_init_user_locked(struct videobuf_dmabuf *dma,
int direction, unsigned long data, unsigned long size)
@@ -195,7 +194,7 @@ static int videobuf_dma_init_user_locked(struct
videobuf_dmabuf *dma,
return 0;
}
-int videobuf_dma_init_user(struct videobuf_dmabuf *dma, int direction,
+static int videobuf_dma_init_user(struct videobuf_dmabuf *dma, int direction,
unsigned long data, unsigned long size)
{
int ret;
@@ -206,9 +205,8 @@ int videobuf_dma_init_user(struct videobuf_dmabuf *dma, int
direction,
return ret;
}
-EXPORT_SYMBOL_GPL(videobuf_dma_init_user);
-int videobuf_dma_init_kernel(struct videobuf_dmabuf *dma, int direction,
+static int videobuf_dma_init_kernel(struct videobuf_dmabuf *dma, int direction,
int nr_pages)
{
int i;
@@ -267,9 +265,8 @@ out_free_pages:
return -ENOMEM;
}
-EXPORT_SYMBOL_GPL(videobuf_dma_init_kernel);
-int videobuf_dma_init_overlay(struct videobuf_dmabuf *dma, int direction,
+static int videobuf_dma_init_overlay(struct videobuf_dmabuf *dma, int
direction,
dma_addr_t addr, int nr_pages)
{
dprintk(1, "init overlay [%d pages @ bus 0x%lx]\n",
@@ -284,9 +281,8 @@ int videobuf_dma_init_overlay(struct videobuf_dmabuf *dma,
int direction,
return 0;
}
-EXPORT_SYMBOL_GPL(videobuf_dma_init_overlay);
-int videobuf_dma_map(struct device *dev, struct videobuf_dmabuf *dma)
+static int videobuf_dma_map(struct device *dev, struct videobuf_dmabuf *dma)
{
MAGIC_CHECK(dma->magic, MAGIC_DMABUF);
BUG_ON(0 == dma->nr_pages);
@@ -328,7 +324,6 @@ int videobuf_dma_map(struct device *dev, struct
videobuf_dmabuf *dma)
return 0;
}
-EXPORT_SYMBOL_GPL(videobuf_dma_map);
int videobuf_dma_unmap(struct device *dev, struct videobuf_dmabuf *dma)
{
diff --git a/include/media/videobuf-dma-sg.h b/include/media/videobuf-dma-sg.h
index fb6fd4d8..d8b27854 100644
--- a/include/media/videobuf-dma-sg.h
+++ b/include/media/videobuf-dma-sg.h
@@ -84,16 +84,8 @@ struct videobuf_dma_sg_memory {
* Despite the name, this is totally unrelated to videobuf, except that
* videobuf-dma-sg uses the same API internally.
*/
-void videobuf_dma_init(struct videobuf_dmabuf *dma);
-int videobuf_dma_init_user(struct videobuf_dmabuf *dma, int direction,
- unsigned long data, unsigned long size);
-int videobuf_dma_init_kernel(struct videobuf_dmabuf *dma, int direction,
- int nr_pages);
-int videobuf_dma_init_overlay(struct videobuf_dmabuf *dma, int direction,
- dma_addr_t addr, int nr_pages);
int videobuf_dma_free(struct videobuf_dmabuf *dma);
-int videobuf_dma_map(struct device *dev, struct videobuf_dmabuf *dma);
int videobuf_dma_unmap(struct device *dev, struct videobuf_dmabuf *dma);
struct videobuf_dmabuf *videobuf_to_dma(struct videobuf_buffer *buf);
--
2.1.3
--
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