[PATCH net] net: stmmac: fix dma mapping leak in stmmac_tso_xmit()

[patchwork-bot+netdevbpf at kernel.org]

Hello:

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

On Wed, 26 Aug 2026 15:03:15 +0200 you wrote:
> In stmmac_tso_xmit(), if the DMA mapping of an skb fragment fails, the
> frame is dropped but the DMA mappings already created for the linear
> part and for the fragments mapped before the failure are never
> unmapped, leaking DMA mappings.
> 
> Fix the leak by walking back over the descriptors used by the frame and
> releasing each of them with stmmac_free_tx_buffer(). Moreover, release
> the descriptors with stmmac_release_tx_desc() unmapping the DMA buffers.
> 
> [...]

Here is the summary with links:
  - [net] net: stmmac: fix dma mapping leak in stmmac_tso_xmit()
    https://git.kernel.org/netdev/net/c/a5d946466a95

You are awesome, thank you!
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