linux-kernel - Re: [PATCH net] net: stmmac: fix TSO DMA API usage causing oops

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Message-Id: 
 <173362202750.3128634.12775021527593555165.git-patchwork-notify@kernel.org>
Date: Sun, 08 Dec 2024 01:40:27 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Russell King (Oracle) <rmk+kernel@...linux.org.uk>
Cc: netdev@...r.kernel.org, linux-stm32@...md-mailman.stormreply.com,
 linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
 andrew+netdev@...n.ch, alexandre.torgue@...s.st.com, joabreu@...opsys.com,
 davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com,
 mcoquelin.stm32@...il.com, xfr@...look.com, 0x1207@...il.com,
 jonathanh@...dia.com, thierry.reding@...il.com, horms@...nel.org,
 hkelam@...vell.com
Subject: Re: [PATCH net] net: stmmac: fix TSO DMA API usage causing oops

Hello:

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

On Fri, 06 Dec 2024 12:40:11 +0000 you wrote:
> Commit 66600fac7a98 ("net: stmmac: TSO: Fix unbalanced DMA map/unmap
> for non-paged SKB data") moved the assignment of tx_skbuff_dma[]'s
> members to be later in stmmac_tso_xmit().
> 
> The buf (dma cookie) and len stored in this structure are passed to
> dma_unmap_single() by stmmac_tx_clean(). The DMA API requires that
> the dma cookie passed to dma_unmap_single() is the same as the value
> returned from dma_map_single(). However, by moving the assignment
> later, this is not the case when priv->dma_cap.addr64 > 32 as "des"
> is offset by proto_hdr_len.
> 
> [...]

Here is the summary with links:
  - [net] net: stmmac: fix TSO DMA API usage causing oops
    https://git.kernel.org/netdev/net/c/4c49f38e20a5

You are awesome, thank you!
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