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authorJérôme Glisse <jglisse@redhat.com>2018-12-06 11:18:40 -0500
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-07-28 08:28:36 +0200
commit19fab82084e094800ceb5cb3e5f6411769524152 (patch)
tree090060200df621a7db3d5f390f836d8b9f8c3ff3
parent2a782edf08b450b0da551802e31ab47ba4e58179 (diff)
dma-buf: balance refcount inbalance
commit 5e383a9798990c69fc759a4930de224bb497e62c upstream. The debugfs take reference on fence without dropping them. Signed-off-by: Jérôme Glisse <jglisse@redhat.com> Cc: Christian König <christian.koenig@amd.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Sumit Semwal <sumit.semwal@linaro.org> Cc: linux-media@vger.kernel.org Cc: dri-devel@lists.freedesktop.org Cc: linaro-mm-sig@lists.linaro.org Cc: Stéphane Marchesin <marcheu@chromium.org> Cc: stable@vger.kernel.org Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Sumit Semwal <sumit.semwal@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20181206161840.6578-1-jglisse@redhat.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/dma-buf/dma-buf.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/dma-buf/dma-buf.c b/drivers/dma-buf/dma-buf.c
index 7c858020d14b..efd5d09d56ad 100644
--- a/drivers/dma-buf/dma-buf.c
+++ b/drivers/dma-buf/dma-buf.c
@@ -1068,6 +1068,7 @@ 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();