Will be used later.
v2: rename 'udmabuf_misc' to 'device' (kraxel)
Signed-off-by: Gurchetan Singh gurchetansingh@chromium.org --- drivers/dma-buf/udmabuf.c | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-)
diff --git a/drivers/dma-buf/udmabuf.c b/drivers/dma-buf/udmabuf.c index ce9caaaa9e4b..9e6fdd2bc979 100644 --- a/drivers/dma-buf/udmabuf.c +++ b/drivers/dma-buf/udmabuf.c @@ -19,6 +19,7 @@ struct udmabuf { u32 flags; pgoff_t pagecount; struct page **pages; + struct miscdevice *device; };
static vm_fault_t udmabuf_vm_fault(struct vm_fault *vmf) @@ -127,8 +128,9 @@ static const struct dma_buf_ops udmabuf_ops = { #define SEALS_WANTED (F_SEAL_SHRINK) #define SEALS_DENIED (F_SEAL_WRITE)
-static long udmabuf_create(const struct udmabuf_create_list *head, - const struct udmabuf_create_item *list) +static long udmabuf_create(struct miscdevice *device, + struct udmabuf_create_list *head, + struct udmabuf_create_item *list) { DEFINE_DMA_BUF_EXPORT_INFO(exp_info); struct file *memfd = NULL; @@ -200,6 +202,8 @@ static long udmabuf_create(const struct udmabuf_create_list *head, exp_info.flags = O_RDWR;
ubuf->flags = head->flags; + ubuf->device = device; + buf = dma_buf_export(&exp_info); if (IS_ERR(buf)) { ret = PTR_ERR(buf); @@ -237,7 +241,7 @@ static long udmabuf_ioctl_create(struct file *filp, unsigned long arg) list.offset = create.offset; list.size = create.size;
- return udmabuf_create(&head, &list); + return udmabuf_create(filp->private_data, &head, &list); }
static long udmabuf_ioctl_create_list(struct file *filp, unsigned long arg) @@ -256,7 +260,7 @@ static long udmabuf_ioctl_create_list(struct file *filp, unsigned long arg) if (IS_ERR(list)) return PTR_ERR(list);
- ret = udmabuf_create(&head, list); + ret = udmabuf_create(filp->private_data, &head, list); kfree(list); return ret; }