[PATCH] dma-buf: balance refcount inbalance

From: jglisse
Date: Thu Dec 06 2018 - 11:18:49 EST


From: JÃrÃme Glisse <jglisse@xxxxxxxxxx>

The debugfs take reference on fence without dropping them.

Signed-off-by: JÃrÃme Glisse <jglisse@xxxxxxxxxx>
Cc: Christian KÃnig <christian.koenig@xxxxxxx>
Cc: Daniel Vetter <daniel.vetter@xxxxxxxx>
Cc: Sumit Semwal <sumit.semwal@xxxxxxxxxx>
Cc: linux-media@xxxxxxxxxxxxxxx
Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx
Cc: linaro-mm-sig@xxxxxxxxxxxxxxxx
Cc: StÃphane Marchesin <marcheu@xxxxxxxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
---
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