Otherwise, mmap fails when done with PROT_WRITE.
Suggested-by: Gurchetan Singh <gurchetansingh@xxxxxxxxxxxx>
Signed-off-by: Gerd Hoffmann <kraxel@xxxxxxxxxx>
---
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)) {
--
2.9.3
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