[Linaro-mm-sig] [PATCH] udmabuf: set read/write flag when exporting

Otherwise, mmap fails when done with PROT_WRITE.

Suggested-by: Gurchetan Singh gurchetansingh@chromium.org Signed-off-by: Gerd Hoffmann kraxel@redhat.com --- drivers/dma-buf/udmabuf.c | 1 + 1 file changed, 1 insertion(+)

diff --git a/drivers/dma-buf/udmabuf.c b/drivers/dma-buf/udmabuf.c index e70328ab7e..d9ff246093 100644 --- a/drivers/dma-buf/udmabuf.c +++ b/drivers/dma-buf/udmabuf.c @@ -189,6 +189,7 @@ static long udmabuf_create(const struct udmabuf_create_list *head, exp_info.ops = &udmabuf_ops; exp_info.size = ubuf->pagecount << PAGE_SHIFT; exp_info.priv = ubuf; + exp_info.flags = O_RDWR;

buf = dma_buf_export(&exp_info); if (IS_ERR(buf)) {