dma-buf: Move code out of mutex-protected section in dma_buf_attach()
Some fields can be set without mutex protection. Initialize them before
locking the mutex.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Sumit Semwal <sumit.semwal@linaro.org>
diff --git a/drivers/base/dma-buf.c b/drivers/base/dma-buf.c
index 97450a5..8afe2dd 100644
--- a/drivers/base/dma-buf.c
+++ b/drivers/base/dma-buf.c
@@ -192,10 +192,11 @@
if (attach == NULL)
return ERR_PTR(-ENOMEM);
- mutex_lock(&dmabuf->lock);
-
attach->dev = dev;
attach->dmabuf = dmabuf;
+
+ mutex_lock(&dmabuf->lock);
+
if (dmabuf->ops->attach) {
ret = dmabuf->ops->attach(dmabuf, dev, attach);
if (ret)