linux-kernel - [linux-next:master 5332/5518] drivers/net/ethernet/marvell/mvpp2.c:4288:5: sparse: symbol 'mvpp2_check_hw_buf_num' was not declared. Should it be static?

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Date:   Tue, 6 Mar 2018 13:05:06 +0800
From:   kbuild test robot <fengguang.wu@...el.com>
To:     Stefan Chulski <stefanc@...vell.com>
Cc:     kbuild-all@...org, Antoine Tenart <antoine.tenart@...tlin.com>,
        Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>,
        Markus Elfring <elfring@...rs.sourceforge.net>,
        Maxime Chevallier <maxime.chevallier@...tlin.com>,
        Miquel Raynal <miquel.raynal@...e-electrons.com>,
        Marcin Wojtas <mw@...ihalf.com>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [linux-next:master 5332/5518]
 drivers/net/ethernet/marvell/mvpp2.c:4288:5: sparse: symbol
 'mvpp2_check_hw_buf_num' was not declared. Should it be static?

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   9c142d8a6556f069be6278ccab701039da81ad6f
commit: effbf5f58d64b1d1f93cb687d9797b42f291d5fd [5332/5518] net: mvpp2: update the BM buffer free/destroy logic
reproduce:
        # apt-get install sparse
        git checkout effbf5f58d64b1d1f93cb687d9797b42f291d5fd
        make ARCH=x86_64 allmodconfig
        make C=1 CF=-D__CHECK_ENDIAN__


sparse warnings: (new ones prefixed by >>)

>> drivers/net/ethernet/marvell/mvpp2.c:4288:5: sparse: symbol 'mvpp2_check_hw_buf_num' was not declared. Should it be static?
   drivers/net/ethernet/marvell/mvpp2.c:6620:36: sparse: incorrect type in argument 2 (different base types) @@    expected int [signed] l3_proto @@    got restricted __be1int [signed] l3_proto @@
   drivers/net/ethernet/marvell/mvpp2.c:6620:36:    expected int [signed] l3_proto
   drivers/net/ethernet/marvell/mvpp2.c:6620:36:    got restricted __be16 [usertype] protocol

Please review and possibly fold the followup patch.

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