[PATCH net v4] net: xilinx: axienet: Free outstanding DMA buffers on dmaengine stop

[patchwork-bot+netdevbpf at kernel.org]

Hello:

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

On Tue, 29 Sep 2026 00:12:07 +0530 you wrote:
> In the dmaengine path the driver pre-submits RX buffers and holds
> in-flight TX buffers whose SKBs are DMA-mapped by the driver and freed
> only in the completion callbacks. On ndo_stop() dmaengine_terminate_sync()
> aborts these descriptors without running their callbacks, and the driver
> then frees only the ring shells, leaking every SKB still owned by the
> engine and its DMA mapping on each ifdown. With 128 RX buffers pre-posted
> per channel, the mapping leak can eventually exhaust a limited IOMMU
> aperture.
> 
> [...]

Here is the summary with links:
  - [net,v4] net: xilinx: axienet: Free outstanding DMA buffers on dmaengine stop
    https://git.kernel.org/netdev/net/c/bcf2573a68a8

You are awesome, thank you!
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