linux-kernel - Re: [PATCH net v5] net: mvpp2: fix possible invalid pointer dereference

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Date:   Sat, 19 Nov 2022 03:50:18 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Hui Tang <tanghui20@...wei.com>
Cc:     davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
        mw@...ihalf.com, linux@...linux.org.uk, leon@...nel.org,
        andrew@...n.ch, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, yusongping@...wei.com
Subject: Re: [PATCH net v5] net: mvpp2: fix possible invalid pointer dereference

Hello:

This patch was applied to netdev/net.git (master)
by Jakub Kicinski <kuba@...nel.org>:

On Thu, 17 Nov 2022 16:40:32 +0800 you wrote:
> It will cause invalid pointer dereference to priv->cm3_base behind,
> if PTR_ERR(priv->cm3_base) in mvpp2_get_sram().
> 
> Fixes: a59d354208a7 ("net: mvpp2: enable global flow control")
> Signed-off-by: Hui Tang <tanghui20@...wei.com>
> ---
> v1 -> v2: patch title include target
> v2 -> v3: keep priv->cm3_base NULL if devm_ioremap_resource() failed
> v3 -> v4: change if (priv->cm3_base) to if (base)
> v4 -> v5: use the idiomatic error handling, keep success path un-indented
> 
> [...]

Here is the summary with links:
  - [net,v5] net: mvpp2: fix possible invalid pointer dereference
    https://git.kernel.org/netdev/net/c/cbe867685386

You are awesome, thank you!
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