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

[patchwork-bot+netdevbpf]

Hello:

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

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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