linux-kernel - Re: [PATCH] dma-buf: balance refcount inbalance

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Message-ID: <d2e94866-08fe-048a-2196-b217e8535269@amd.com>
Date:   Thu, 6 Dec 2018 18:28:32 +0000
From:   "Koenig, Christian" <Christian.Koenig@....com>
To:     "jglisse@...hat.com" <jglisse@...hat.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
CC:     Daniel Vetter <daniel.vetter@...ll.ch>,
        Sumit Semwal <sumit.semwal@...aro.org>,
        "linux-media@...r.kernel.org" <linux-media@...r.kernel.org>,
        "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
        "linaro-mm-sig@...ts.linaro.org" <linaro-mm-sig@...ts.linaro.org>,
        Stéphane Marchesin <marcheu@...omium.org>,
        "stable@...r.kernel.org" <stable@...r.kernel.org>
Subject: Re: [PATCH] dma-buf: balance refcount inbalance

Am 06.12.18 um 17:18 schrieb jglisse@...hat.com:
> From: Jérôme Glisse <jglisse@...hat.com>
>
> 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>

> ---
>   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();
>