linux-kernel - Re: [PATCH net-ipsec v2] xfrm: replay: Fix ESN wrap around for GSO

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Message-ID: <202209290543.rshZ5u9k-lkp@intel.com>
Date:   Thu, 29 Sep 2022 05:29:01 +0800
From:   kernel test robot <lkp@...el.com>
To:     Christian Langrock <christian.langrock@...unet.com>,
        Steffen Klassert <steffen.klassert@...unet.com>,
        herbert@...dor.apana.org.au, davem@...emloft.net,
        edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     kbuild-all@...ts.01.org
Subject: Re: [PATCH net-ipsec v2] xfrm: replay: Fix ESN wrap around for GSO

Hi Christian,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on klassert-ipsec/master]
[also build test ERROR on net-next/master net/master linus/master v6.0-rc7 next-20220927]
[cannot apply to klassert-ipsec-next/master]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Christian-Langrock/xfrm-replay-Fix-ESN-wrap-around-for-GSO/20220927-210053
base:   https://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec.git master
config: x86_64-rhel-8.3-func
compiler: gcc-11 (Debian 11.3.0-5) 11.3.0
reproduce (this is a W=1 build):
        # https://github.com/intel-lab-lkp/linux/commit/bb1661466e741ea02b82c9d57c6cee6cee07ba7e
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Christian-Langrock/xfrm-replay-Fix-ESN-wrap-around-for-GSO/20220927-210053
        git checkout bb1661466e741ea02b82c9d57c6cee6cee07ba7e
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash net/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>

All errors (new ones prefixed by >>):

>> net/xfrm/xfrm_replay.c:773:6: error: conflicting types for 'xfrm_replay_overflow_check'; have 'bool(struct xfrm_state *, struct sk_buff *)' {aka '_Bool(struct xfrm_state *, struct sk_buff *)'}
     773 | bool xfrm_replay_overflow_check(struct xfrm_state *x, struct sk_buff *skb)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~
   In file included from net/xfrm/xfrm_replay.c:10:
   include/net/xfrm.h:1752:5: note: previous declaration of 'xfrm_replay_overflow_check' with type 'int(struct xfrm_state *, struct sk_buff *)'
    1752 | int xfrm_replay_overflow_check(struct xfrm_state *x, struct sk_buff *skb);
         |     ^~~~~~~~~~~~~~~~~~~~~~~~~~


vim +773 net/xfrm/xfrm_replay.c

   772	
 > 773	bool xfrm_replay_overflow_check(struct xfrm_state *x, struct sk_buff *skb)
   774	{
   775		if (x->repl_mode == XFRM_REPLAY_MODE_ESN)
   776			return xfrm_replay_overflow_check_offload_esn(x, skb);
   777	
   778		return false;
   779	}
   780	

-- 
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https://01.org/lkp

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