Re: [PATCH 5.15.y] fou: remove warn in gue_gro_receive on unsupported protocol

[Sasha Levin <sashal@kernel.org>]

[ Sasha's backport helper bot ]

Hi,

The upstream commit SHA1 provided is correct: dd89a81d850fa9a65f67b4527c0e420d15bf836c

WARNING: Author mismatch between patch and upstream commit:
Backport author: libo.chen.cn@eng.windriver.com
Commit author: Willem de Bruijn <willemb@google.com>


Status in newer kernel trees:
6.12.y | Present (exact SHA1)
6.6.y | Present (different SHA1: 3db4395332e7)
6.1.y | Present (different SHA1: 5a2e37bc648a)
5.15.y | Not found

Note: The patch differs from the upstream commit:
---
1:  dd89a81d850fa ! 1:  2115d8ab02118 fou: remove warn in gue_gro_receive on unsupported protocol
    @@ Metadata
      ## Commit message ##
         fou: remove warn in gue_gro_receive on unsupported protocol
     
    +    [ Upstream commit dd89a81d850fa9a65f67b4527c0e420d15bf836c ]
    +
         Drop the WARN_ON_ONCE inn gue_gro_receive if the encapsulated type is
         not known or does not have a GRO handler.
     
    @@ Commit message
         Reviewed-by: Eric Dumazet <edumazet@google.com>
         Link: https://lore.kernel.org/r/20240614122552.1649044-1-willemdebruijn.kernel@gmail.com
         Signed-off-by: Jakub Kicinski <kuba@kernel.org>
    +    Signed-off-by: Libo Chen <libo.chen.cn@windriver.com>
     
    - ## net/ipv4/fou_core.c ##
    -@@ net/ipv4/fou_core.c: static struct sk_buff *gue_gro_receive(struct sock *sk,
    + ## net/ipv4/fou.c ##
    +@@ net/ipv4/fou.c: static struct sk_buff *gue_gro_receive(struct sock *sk,
      
      	offloads = NAPI_GRO_CB(skb)->is_ipv6 ? inet6_offloads : inet_offloads;
      	ops = rcu_dereference(offloads[proto]);
---

Results of testing on various branches:

| Branch                    | Patch Apply | Build Test |
|---------------------------|-------------|------------|
| stable/linux-5.15.y       |  Success    |  Success   |