Re: [PATCH net] netpoll: pass buffer size to egress_dev() to avoid MAC truncation

[patchwork-bot+netdevbpf]

Hello:

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

On Fri, 01 May 2026 02:58:41 -0700 you wrote:
> egress_dev() formats np->dev_mac via snprintf() but receives buf as
> a bare char *, so it cannot derive the buffer size from the pointer. The
> size argument was hardcoded to MAC_ADDR_STR_LEN (3 * ETH_ALEN - 1 = 17),
> which is silly wrong in two ways:
> 
>  1) misleading kernel log output on the MAC-selected target path
>     (np->dev_name[0] == '\0'); for example "aa:bb:cc:dd:ee:ff doesn't
>     exist, aborting" was logged as "aa:bb:cc:dd:ee:f doesn't exist,
>     aborting".
> 
> [...]

Here is the summary with links:
  - [net] netpoll: pass buffer size to egress_dev() to avoid MAC truncation
    https://git.kernel.org/netdev/net/c/76b93a810757

You are awesome, thank you!
-- 
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html