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Message-Id: <20190726152307.050532782@linuxfoundation.org>
Date: Fri, 26 Jul 2019 17:24:46 +0200
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
stable@...r.kernel.org,
Jérôme Glisse <jglisse@...hat.com>,
Christian König <christian.koenig@....com>,
Daniel Vetter <daniel.vetter@...ll.ch>,
Sumit Semwal <sumit.semwal@...aro.org>,
linux-media@...r.kernel.org, dri-devel@...ts.freedesktop.org,
linaro-mm-sig@...ts.linaro.org,
Stéphane Marchesin <marcheu@...omium.org>
Subject: [PATCH 5.2 47/66] dma-buf: balance refcount inbalance
From: Jérôme Glisse <jglisse@...hat.com>
commit 5e383a9798990c69fc759a4930de224bb497e62c upstream.
The debugfs take reference on fence without dropping them.
Signed-off-by: Jérôme Glisse <jglisse@...hat.com>
Cc: Christian König <christian.koenig@....com>
Cc: Daniel Vetter <daniel.vetter@...ll.ch>
Cc: Sumit Semwal <sumit.semwal@...aro.org>
Cc: linux-media@...r.kernel.org
Cc: dri-devel@...ts.freedesktop.org
Cc: linaro-mm-sig@...ts.linaro.org
Cc: Stéphane Marchesin <marcheu@...omium.org>
Cc: stable@...r.kernel.org
Reviewed-by: Christian König <christian.koenig@....com>
Signed-off-by: Sumit Semwal <sumit.semwal@...aro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20181206161840.6578-1-jglisse@redhat.com
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
drivers/dma-buf/dma-buf.c | 1 +
1 file changed, 1 insertion(+)
--- a/drivers/dma-buf/dma-buf.c
+++ b/drivers/dma-buf/dma-buf.c
@@ -1057,6 +1057,7 @@ static int dma_buf_debug_show(struct seq
fence->ops->get_driver_name(fence),
fence->ops->get_timeline_name(fence),
dma_fence_is_signaled(fence) ? "" : "un");
+ dma_fence_put(fence);
}
rcu_read_unlock();
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