Re: [PATCH] net: spacemit: clear TX descriptor on fragment mapping failure

[patchwork-bot+netdevbpf]

Hello:

This patch was applied to netdev/net.git (main)
by Paolo Abeni <pabeni@xxxxxxxxxx>:

On Sun, 20 Sep 2026 00:19:37 +0500 you wrote:
> emac_tx_mem_map() writes TX_DESC_0_OWN into the ring descriptor for
> every slot beyond old_head as soon as that slot's memset()'d local
> copy is committed with "*tx_desc_addr = tx_desc", i.e. before the
> buffers for that slot have necessarily all been mapped successfully.
> If emac_tx_map_frag() then fails on a later fragment, the err_free_skb
> path calls emac_free_tx_buf() to unmap and drop the skb, but leaves
> the already-written descriptor memory untouched, and tx_ring->head is
> never advanced past old_head (the "tx_ring->head = head" store is
> skipped by the goto).
> 
> [...]

Here is the summary with links:
  - net: spacemit: clear TX descriptor on fragment mapping failure
    https://git.kernel.org/netdev/net/c/2d14720beb58

You are awesome, thank you!
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