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Subject: Re: [PATCH] net: broadcom: bcm4908enet: Fix a double free in
 bcm4908_enet_dma_alloc
From:   patchwork-bot+netdevbpf@kernel.org
Message-Id: <161775120901.12262.16738221988151973743.git-patchwork-notify@kernel.org>
Date:   Tue, 06 Apr 2021 23:20:09 +0000
References: <20210402174019.3679-1-lyl2019@mail.ustc.edu.cn>
In-Reply-To: <20210402174019.3679-1-lyl2019@mail.ustc.edu.cn>
To:     Lv Yunlong <lyl2019@mail.ustc.edu.cn>
Cc:     rafal@milecki.pl, bcm-kernel-feedback-list@broadcom.com,
        davem@davemloft.net, kuba@kernel.org, netdev@vger.kernel.org,
        linux-kernel@vger.kernel.org
Precedence: bulk

Hello:

This patch was applied to netdev/net.git (refs/heads/master):

On Fri,  2 Apr 2021 10:40:19 -0700 you wrote:
> In bcm4908_enet_dma_alloc, if callee bcm4908_dma_alloc_buf_descs() failed,
> it will free the ring->cpu_addr by dma_free_coherent() and return error.
> Then bcm4908_enet_dma_free() will be called, and free the same cpu_addr
> by dma_free_coherent() again.
> 
> My patch set ring->cpu_addr to NULL after it is freed in
> bcm4908_dma_alloc_buf_descs() to avoid the double free.
> 
> [...]

Here is the summary with links:
  - net: broadcom: bcm4908enet: Fix a double free in bcm4908_enet_dma_alloc
    https://git.kernel.org/netdev/net/c/b25b343db052

You are awesome, thank you!
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