dma_buf: remove dmabuf sysfs teardown before release

Dmabuf sysfs stat is used for dmabuf info track.
But these file maybe still in use after buffer released,
should clear it before buffer release.

Signed-off-by: Guangming Cao <Guangming.Cao@mediatek.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210720103158.83439-1-guangming.cao@mediatek.com
Signed-off-by: Christian König <christian.koenig@amd.com>

diff --git a/drivers/dma-buf/dma-buf.c b/drivers/dma-buf/dma-buf.c
index b1a6db71c656153c5ea96c331b5f4bdbd393487b..63d32261b63ff4ccc34a082aa5fe7ac5bad27052 100644 (file)
--- a/drivers/dma-buf/dma-buf.c
+++ b/drivers/dma-buf/dma-buf.c
@@ -76,12 +76,12 @@ static void dma_buf_release(struct dentry *dentry)
         */
        BUG_ON(dmabuf->cb_shared.active || dmabuf->cb_excl.active);
 
+       dma_buf_stats_teardown(dmabuf);
        dmabuf->ops->release(dmabuf);
 
        if (dmabuf->resv == (struct dma_resv *)&dmabuf[1])
                dma_resv_fini(dmabuf->resv);
 
-       dma_buf_stats_teardown(dmabuf);
        module_put(dmabuf->owner);
        kfree(dmabuf->name);
        kfree(dmabuf);