It needs call dma_buf_put() to put dmabuf in case of getting
fd failed.
Signed-off-by: Xianting Tian <xianting.tian@xxxxxxxxxxxxxxxxx>
---
drivers/dma-buf/udmabuf.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/dma-buf/udmabuf.c b/drivers/dma-buf/udmabuf.c
index c57a609db..d77f96995 100644
--- a/drivers/dma-buf/udmabuf.c
+++ b/drivers/dma-buf/udmabuf.c
@@ -274,8 +274,11 @@ static long udmabuf_create(struct miscdevice *device,
flags = 0;
if (head->flags & UDMABUF_FLAGS_CLOEXEC)
flags |= O_CLOEXEC;
- return dma_buf_fd(buf, flags);
+ ret = dma_buf_fd(buf, flags);
+ if (ret < 0) {
+ dma_buf_put(buf);
+ return ret;
err:
while (pgbuf > 0)
put_page(ubuf->pages[--pgbuf]);
--
2.17.1
