# Re: \[PATCH net\] net: dsa: b53: fix error propagation from b53\_fdb\_dump()

- From: patchwork-bot+netdevbpf@kernel.org
- Date: 2026-08-17 21:00:53 
- List: netdev
- Page: https://ratatoskr.run/netdev/2026/08/17425912
- Thread: https://ratatoskr.run/netdev/2026/08/17404339/t.md

```text
Hello:

This patch was applied to netdev/net.git (main)
by Jakub Kicinski [ref]:

On Wed, 12 Aug 2026 23:11:21 +0300 you wrote:
> The blamed commit replaced "return ret" statements in b53_fdb_dump()
> with "break;" which jumps to the mutex_unlock() -> return 0 section.
> 
> This is notably problematic because it swallows errors from the
> b53_fdb_copy() -> cb() path, and this will result in FDB dump truncation
> when the netlink skb overflows - see commit 21b52fed928e ("net: dsa:
> sja1105: fix broken backpressure in .port_fdb_dump").
> 
> [...]

Here is the summary with links:
  - [net] net: dsa: b53: fix error propagation from b53_fdb_dump()
    https://git.kernel.org/netdev/net/c/4f1d06cf8aaa

You are awesome, thank you!
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```