Re: [PATCH v2] net: usb: cdc_mbim: add MeiG Smart SRM821 to ZLP whitelist

[patchwork-bot+netdevbpf]

Hello:

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

On Sun, 20 Sep 2026 15:44:59 +0800 you wrote:
> The MeiG Smart SRM821 5G module (0x2dee:0x4d53) crashes and drops off
> the USB bus when it receives a Zero Length Packet (ZLP) after sending
> or receiving an NTB of exactly 16384 bytes (tx_max).
> 
> According to the MBIM specification, devices do not require a ZLP
> if the NTB size is exactly dwNtbOutMaxSize. However, the cdc_mbim
> driver defaults to sending ZLPs for devices not explicitly whitelisted
> to accommodate non-conformant hardware. This default behavior breaks
> the strictly conformant MeiG SRM821 module.
> 
> [...]

Here is the summary with links:
  - [v2] net: usb: cdc_mbim: add MeiG Smart SRM821 to ZLP whitelist
    https://git.kernel.org/netdev/net/c/f75f21ef3628

You are awesome, thank you!
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