[module] fix compilation for linux 5.6

This commit is contained in:
Geoffrey McRae 2020-03-11 00:27:42 +11:00
parent 2440272307
commit 1ac13658e1
2 changed files with 2 additions and 20 deletions

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@ -1 +1 @@
B1-157-ge2adbaa5c1+1
B1-158-g582ed6b5d1+1

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@ -28,6 +28,7 @@ Place, Suite 330, Boston, MA 02111-1307 USA
#include <linux/fs.h>
#include <linux/dma-buf.h>
#include <linux/highmem.h>
#include <linux/version.h>
#include <asm/io.h>
@ -122,27 +123,10 @@ static void unmap_kvmfrbuf(struct dma_buf_attachment * at, struct sg_table * sg,
static void release_kvmfrbuf(struct dma_buf * buf)
{
struct kvmfrbuf *kbuf = (struct kvmfrbuf *)buf->priv;
pgoff_t pg;
for (pg = 0; pg < kbuf->pagecount; pg++)
put_page(kbuf->pages[pg]);
kfree(kbuf->pages);
kfree(kbuf);
}
static void * kmap_kvmfrbuf(struct dma_buf * buf, unsigned long page_num)
{
struct kvmfrbuf * kbuf = (struct kvmfrbuf *)buf->priv;
struct page * page = kbuf->pages[page_num];
return kmap(page);
}
static void kunmap_kvmfrbuf(struct dma_buf * buf, unsigned long page_num, void * vaddr)
{
kunmap(vaddr);
}
static int mmap_kvmfrbuf(struct dma_buf * buf, struct vm_area_struct * vma)
{
if ((vma->vm_flags & (VM_SHARED | VM_MAYSHARE)) == 0)
@ -157,8 +141,6 @@ static const struct dma_buf_ops kvmfrbuf_ops =
.map_dma_buf = map_kvmfrbuf,
.unmap_dma_buf = unmap_kvmfrbuf,
.release = release_kvmfrbuf,
.map = kmap_kvmfrbuf,
.unmap = kunmap_kvmfrbuf,
.mmap = mmap_kvmfrbuf
};