linux-kernel - Re: [PATCH] cxgb4: Fix unintentional sign extension issues

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Date:   Mon, 12 Apr 2021 20:20:08 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Colin Ian King <colin.king@...onical.com>
Cc:     rajur@...lsio.com, davem@...emloft.net, kuba@...nel.org,
        rahul.lakkireddy@...lsio.com, kumaras@...lsio.com,
        ganeshgr@...lsio.com, netdev@...r.kernel.org,
        kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] cxgb4: Fix unintentional sign extension issues

Hello:

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

On Fri,  9 Apr 2021 12:08:57 +0100 you wrote:
> From: Colin Ian King <colin.king@...onical.com>
> 
> The shifting of the u8 integers f->fs.nat_lip[] by 24 bits to
> the left will be promoted to a 32 bit signed int and then
> sign-extended to a u64. In the event that the top bit of the u8
> is set then all then all the upper 32 bits of the u64 end up as
> also being set because of the sign-extension. Fix this by
> casting the u8 values to a u64 before the 24 bit left shift.
> 
> [...]

Here is the summary with links:
  - cxgb4: Fix unintentional sign extension issues
    https://git.kernel.org/netdev/net-next/c/dd2c79677375

You are awesome, thank you!
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