Re: net/netfilter/nft_set_rbtree.c:636:33: warning: variable 'nft_net' set but not used

Re: net/netfilter/nft_set_rbtree.c:636:33: warning: variable 'nft_net' set but not used

[Pablo Neira Ayuso]

On Fri, Nov 03, 2023 at 04:40:55PM +0800, kernel test robot wrote:
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> head:   8f6f76a6a29f36d2f3e4510d0bde5046672f6924
> commit: 7d259f021aaa78904b6c836d975e8e00d83a182a netfilter: nft_set_rbtree: prefer sync gc to async worker
> date:   10 days ago
> config: s390-defconfig (https://download.01.org/0day-ci/archive/20231103/202311031627.Kx0hfrUu-lkp@intel.com/config)
> compiler: s390-linux-gcc (GCC) 13.2.0
> reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231103/202311031627.Kx0hfrUu-lkp@intel.com/reproduce)
> 
> If you fix the issue in a separate patch/commit (i.e. not just a new version of
> the same patch/commit), kindly add following tags
> | Reported-by: kernel test robot <lkp@intel.com>
> | Closes: https://lore.kernel.org/oe-kbuild-all/202311031627.Kx0hfrUu-lkp@intel.com/
> 
> All warnings (new ones prefixed by >>):
> 
>    net/netfilter/nft_set_rbtree.c: In function 'nft_rbtree_gc':
> >> net/netfilter/nft_set_rbtree.c:636:33: warning: variable 'nft_net' set but not used [-Wunused-but-set-variable]
>      636 |         struct nftables_pernet *nft_net;
>          |                                 ^~~~~~~

Fix is here.

It is missing Fixes: tag though.

https://patchwork.ozlabs.org/project/netfilter-devel/patch/20231101013351.55902-1-yang.lee@linux.alibaba.com/