linux-kernel - [mainline][bisected 55469b][ppc] build error at drivers/net/ethernet/mellanox/mlx4/en

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Message-Id: <1540881776.20660.9.camel@abdul.in.ibm.com>
Date:   Tue, 30 Oct 2018 12:12:56 +0530
From:   Abdul Haleem <abdhalee@...ux.vnet.ibm.com>
To:     linuxppc-dev <linuxppc-dev@...ts.ozlabs.org>
Cc:     linux-kernel <linux-kernel@...r.kernel.org>, edumazet@...gle.com,
        mpe <mpe@...erman.id.au>, sachinp <sachinp@...ux.vnet.ibm.com>,
        manvanth <manvanth@...ux.vnet.ibm.com>,
        "aneesh.kumar" <aneesh.kumar@...ux.vnet.ibm.com>,
        Brian King <brking@...ux.vnet.ibm.com>,
        netdev <netdev@...r.kernel.org>, tariqt@...lanox.com,
        linux-rdma@...r.kernel.org
Subject: [mainline][bisected 55469b][ppc] build error at
 drivers/net/ethernet/mellanox/mlx4/en_rx.c

Greeting's

mainline build fails on my powerpc with commit 55469b : drivers: net:
remove <net/busy_poll.h> inclusion when not needed

Machine type: PowerPC power 8 bare-metal
kernel : 4.19.0
gcc :  4.8.5
config attached

build errors:
drivers/net/ethernet/mellanox/mlx4/en_rx.c:582:18: warning: ‘struct
iphdr’ declared inside parameter list [enabled by default]
           struct iphdr *iph)
                  ^
drivers/net/ethernet/mellanox/mlx4/en_rx.c:582:18: warning: its scope is
only this definition or declaration, which is probably not what you want
[enabled by default]
drivers/net/ethernet/mellanox/mlx4/en_rx.c: In function
‘get_fixed_ipv4_csum’:
drivers/net/ethernet/mellanox/mlx4/en_rx.c:586:20: error: dereferencing
pointer to incomplete type
  __u8 ipproto = iph->protocol;
                    ^

Kernel builds fine when the patch is reverted.

-- 
Regard's

Abdul Haleem
IBM Linux Technology Centre



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