From 7181772d8915e6025ee4f2f6c5b16064689646f0 Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Tue, 11 May 2010 10:36:32 -0300 Subject: V4L/DVB: videobuf: Don't export videobuf_(vmalloc|pages)_to_sg Those functions are only called inside videobuf-dma-sg.c, make them static. Signed-off-by: Laurent Pinchart Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/videobuf-dma-sg.c | 18 ++++++++++++++---- 1 file changed, 14 insertions(+), 4 deletions(-) (limited to 'drivers/media/video/videobuf-dma-sg.c') diff --git a/drivers/media/video/videobuf-dma-sg.c b/drivers/media/video/videobuf-dma-sg.c index 17b1f89e8133..8924e51408c1 100644 --- a/drivers/media/video/videobuf-dma-sg.c +++ b/drivers/media/video/videobuf-dma-sg.c @@ -57,7 +57,13 @@ MODULE_LICENSE("GPL"); /* --------------------------------------------------------------------- */ -struct scatterlist *videobuf_vmalloc_to_sg(unsigned char *virt, int nr_pages) +/* + * Return a scatterlist for some page-aligned vmalloc()'ed memory + * block (NULL on errors). Memory for the scatterlist is allocated + * using kmalloc. The caller must free the memory. + */ +static struct scatterlist *videobuf_vmalloc_to_sg(unsigned char *virt, + int nr_pages) { struct scatterlist *sglist; struct page *pg; @@ -81,10 +87,14 @@ err: vfree(sglist); return NULL; } -EXPORT_SYMBOL_GPL(videobuf_vmalloc_to_sg); -struct scatterlist *videobuf_pages_to_sg(struct page **pages, int nr_pages, - int offset) +/* + * Return a scatterlist for a an array of userpages (NULL on errors). + * Memory for the scatterlist is allocated using kmalloc. The caller + * must free the memory. + */ +static struct scatterlist *videobuf_pages_to_sg(struct page **pages, + int nr_pages, int offset) { struct scatterlist *sglist; int i; -- cgit v1.2.1