linux-kernel - Re: [PATCH] net: sparx5: switchdev: fix possible NULL pointer dereference

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Date:   Sat, 26 Mar 2022 18:50:10 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Zheng Yongjun <zhengyongjun3@...wei.com>
Cc:     davem@...emloft.net, kuba@...nel.org, netdev@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        lars.povlsen@...rochip.com, Steen.Hegelund@...rochip.com,
        UNGLinuxDriver@...rochip.com
Subject: Re: [PATCH] net: sparx5: switchdev: fix possible NULL pointer dereference

Hello:

This patch was applied to netdev/net.git (master)
by David S. Miller <davem@...emloft.net>:

On Sat, 26 Mar 2022 08:12:39 +0000 you wrote:
> As the possible failure of the allocation, devm_kzalloc() may return NULL
> pointer.
> Therefore, it should be better to check the 'db' in order to prevent
> the dereference of NULL pointer.
> 
> Fixes: 10615907e9b51 ("net: sparx5: switchdev: adding frame DMA functionality")
> Signed-off-by: Zheng Yongjun <zhengyongjun3@...wei.com>
> 
> [...]

Here is the summary with links:
  - net: sparx5: switchdev: fix possible NULL pointer dereference
    https://git.kernel.org/netdev/net/c/0906f3a3df07

You are awesome, thank you!
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