korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-11-13 14:24:11 +08:00
Code Issues Packages Projects Releases Wiki Activity

dma-buf: Move code out of mutex-protected section in dma_buf_attach()

Browse Source 
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>
This commit is contained in:
Laurent Pinchart 2012-01-26 12:27:25 +01:00 committed by Sumit Semwal
parent a9fbc3b731
commit 2ed9201bdd
1 changed files with 3 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/base/dma-buf.c
View File

@ -192,10 +192,11 @@ struct dma_buf_attachment *dma_buf_attach(struct dma_buf *dmabuf,
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)