netdev - [net-next:master 1200/1233] net/ipv4/tcp_recovery.c:24:5: sparse: symbol 'tcp_rack_reo_wnd' was not declared. Should it be static?

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Message-ID: <201805181300.JN7KwXNm%fengguang.wu@intel.com>
Date:   Fri, 18 May 2018 13:14:23 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Yuchung Cheng <ycheng@...gle.com>
Cc:     kbuild-all@...org, netdev@...r.kernel.org,
        Neal Cardwell <ncardwell@...gle.com>,
        Eric Dumazet <edumazet@...gle.com>,
        Soheil Hassas Yeganeh <soheil@...gle.com>,
        Priyaranjan Jha <priyarjha@...gle.com>,
        Alexey Kuznetsov <kuznet@....inr.ac.ru>,
        Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>,
        linux-kernel@...r.kernel.org
Subject: [net-next:master 1200/1233] net/ipv4/tcp_recovery.c:24:5: sparse:
 symbol 'tcp_rack_reo_wnd' was not declared. Should it be static?

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git master
head:   538e2de104cfb4ef1acb35af42427bff42adbe4d
commit: 20b654dfe1beaca60ab51894ff405a049248433d [1200/1233] tcp: support DUPACK threshold in RACK
reproduce:
        # apt-get install sparse
        git checkout 20b654dfe1beaca60ab51894ff405a049248433d
        make ARCH=x86_64 allmodconfig
        make C=1 CF=-D__CHECK_ENDIAN__


sparse warnings: (new ones prefixed by >>)

   net/ipv4/tcp_recovery.c:46:16: sparse: expression using sizeof(void)
   net/ipv4/tcp_recovery.c:46:16: sparse: expression using sizeof(void)
>> net/ipv4/tcp_recovery.c:24:5: sparse: symbol 'tcp_rack_reo_wnd' was not declared. Should it be static?
   include/net/tcp.h:738:16: sparse: expression using sizeof(void)
   net/ipv4/tcp_recovery.c:102:40: sparse: expression using sizeof(void)
   net/ipv4/tcp_recovery.c:102:40: sparse: expression using sizeof(void)
   include/net/tcp.h:738:16: sparse: expression using sizeof(void)
   net/ipv4/tcp_recovery.c:210:42: sparse: expression using sizeof(void)

Please review and possibly fold the followup patch.

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