netdev - Re: [PATCH net] eth: fbnic: Fix counter roll-over issue

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Message-Id: 
 <176421338749.1916399.7175645336781698371.git-patchwork-notify@kernel.org>
Date: Thu, 27 Nov 2025 03:16:27 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Mohsin Bashir <mohsin.bashr@...il.com>
Cc: netdev@...r.kernel.org, alexanderduyck@...com, andrew+netdev@...n.ch,
 davem@...emloft.net, edumazet@...gle.com, horms@...nel.org,
 jacob.e.keller@...el.com, kernel-team@...a.com, kuba@...nel.org,
 lee@...ger.us, pabeni@...hat.com, sanman.p211993@...il.com
Subject: Re: [PATCH net] eth: fbnic: Fix counter roll-over issue

Hello:

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

On Tue, 25 Nov 2025 13:17:04 -0800 you wrote:
> Fix a potential counter roll-over issue in fbnic_mbx_alloc_rx_msgs()
> when calculating descriptor slots. The issue occurs when head - tail
> results in a large positive value (unsigned) and the compiler interprets
> head - tail - 1 as a signed value.
> 
> Since FBNIC_IPC_MBX_DESC_LEN is a power of two, use a masking operation,
> which is a common way of avoiding this problem when dealing with these
> sort of ring space calculations.
> 
> [...]

Here is the summary with links:
  - [net] eth: fbnic: Fix counter roll-over issue
    https://git.kernel.org/netdev/net/c/6d66e093e074

You are awesome, thank you!
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