From: <guangming.cao@mediatek.com>
To: <christian.koenig@amd.com>
Cc: <dri-devel@lists.freedesktop.org>, <guangming.cao@mediatek.com>,
<linaro-mm-sig@lists.linaro.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-kernel@vger.kernel.org>, <linux-media@vger.kernel.org>,
<linux-mediatek@lists.infradead.org>, <matthias.bgg@gmail.com>,
<sumit.semwal@linaro.org>, <wsd_upstream@mediatek.com>,
Guangming Cao <Guangming.Cao@mediatek.com>
Subject: [PATCH v2] dma_buf: remove dmabuf sysfs teardown before release
Date: Tue, 20 Jul 2021 18:31:58 +0800 [thread overview]
Message-ID: <20210720103158.83439-1-guangming.cao@mediatek.com> (raw)
In-Reply-To: <8d7dfc78-aa85-48b5-2828-21ec6b463ac3@amd.com>
From: Guangming Cao <Guangming.Cao@mediatek.com>
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>
---
drivers/dma-buf/dma-buf.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/dma-buf/dma-buf.c b/drivers/dma-buf/dma-buf.c
index b1a6db71c656..63d32261b63f 100644
--- 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);
--
2.17.1
next prev parent reply other threads:[~2021-07-20 10:33 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-19 5:19 [PATCH] dma_buf: remove dmabuf sysfs teardown before release/detach guangming.cao
2021-07-19 11:16 ` Christian König
2021-07-20 9:31 ` Christian König
2021-07-20 10:29 ` guangming.cao
2021-07-20 10:31 ` guangming.cao [this message]
2021-07-20 11:00 ` [PATCH v2] dma_buf: remove dmabuf sysfs teardown before release Christian König
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