Re: [PATCH v4] net: bgmac: fix TX DMA unmapping and slot cleanup

[patchwork-bot+netdevbpf]

Hello:

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

On Wed, 28 Oct 2026 09:48:39 -0700 you wrote:
> When mapping a fragment fails, bgmac_dma_tx_add() unwinds with the
> wrong slots. It passes the failed fragment's slot->dma_addr, which
> holds the mapping error, to dma_unmap_single() for the head. The
> fragment loop indexes from ring->end instead of ring->end + 1, so it
> unmaps the head a second time as a page and leaves the last mapped
> fragment mapped. None of the affected slots get their dma_addr cleared
> either, which includes the head slot when mapping the head fails.
> 
> [...]

Here is the summary with links:
  - [v4] net: bgmac: fix TX DMA unmapping and slot cleanup
    https://git.kernel.org/netdev/net/c/4f45e97b3aac

You are awesome, thank you!
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