[PATCH] dma-buf: balance refcount inbalance

[jglisse at redhat.com]

From: Jérôme Glisse <jglisse at redhat.com>

The debugfs take reference on fence without dropping them.

Signed-off-by: Jérôme Glisse <jglisse at redhat.com>
Cc: Christian König <christian.koenig at amd.com>
Cc: Daniel Vetter <daniel.vetter at ffwll.ch>
Cc: Sumit Semwal <sumit.semwal at linaro.org>
Cc: linux-media at vger.kernel.org
Cc: dri-devel at lists.freedesktop.org
Cc: linaro-mm-sig at lists.linaro.org
Cc: Stéphane Marchesin <marcheu at chromium.org>
Cc: stable at vger.kernel.org
---
 drivers/dma-buf/dma-buf.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/dma-buf/dma-buf.c b/drivers/dma-buf/dma-buf.c
index 13884474d158..69842145c223 100644
--- a/drivers/dma-buf/dma-buf.c
+++ b/drivers/dma-buf/dma-buf.c
@@ -1069,6 +1069,7 @@ static int dma_buf_debug_show(struct seq_file *s, void *unused)
 				   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();
 
-- 
2.17.2