From 7181772d8915e6025ee4f2f6c5b16064689646f0 Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Tue, 11 May 2010 10:36:32 -0300 Subject: [PATCH] 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 ++++++++++++++---- include/media/videobuf-dma-sg.h | 17 ----------------- 2 files changed, 14 insertions(+), 21 deletions(-) diff --git a/drivers/media/video/videobuf-dma-sg.c b/drivers/media/video/videobuf-dma-sg.c index 17b1f89..8924e51 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; diff --git a/include/media/videobuf-dma-sg.h b/include/media/videobuf-dma-sg.h index 8013010..913860e 100644 --- a/include/media/videobuf-dma-sg.h +++ b/include/media/videobuf-dma-sg.h @@ -25,23 +25,6 @@ /* --------------------------------------------------------------------- */ /* - * 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. - */ -struct scatterlist *videobuf_vmalloc_to_sg(unsigned char *virt, int nr_pages); - -/* - * 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. - */ -struct scatterlist *videobuf_pages_to_sg(struct page **pages, int nr_pages, - int offset); - -/* --------------------------------------------------------------------- */ - -/* * A small set of helper functions to manage buffers (both userland * and kernel) for DMA. * -- 2.7.4