netdev - [net-next:master 178/193] drivers/net/ipvlan/ipvlan.h:183:32: sparse: incompatible types in comparison expression (different address spaces)

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Message-ID: <201803081002.cc5zQgyJ%fengguang.wu@intel.com>
Date:   Thu, 8 Mar 2018 10:44:05 +0800
From:   kbuild test robot <fengguang.wu@...el.com>
To:     Paolo Abeni <pabeni@...hat.com>
Cc:     kbuild-all@...org, netdev@...r.kernel.org
Subject: [net-next:master 178/193] drivers/net/ipvlan/ipvlan.h:183:32:
 sparse: incompatible types in comparison expression (different address
 spaces)

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git master
head:   a366e300ae9fc466d333e6d8f2bc5d58ed248041
commit: 1ec54cb44e6731c3cb251bcf9251d65a4b4f6306 [178/193] net: unpollute priv_flags space
reproduce:
        # apt-get install sparse
        git checkout 1ec54cb44e6731c3cb251bcf9251d65a4b4f6306
        make ARCH=x86_64 allmodconfig
        make C=1 CF=-D__CHECK_ENDIAN__


sparse warnings: (new ones prefixed by >>)

   drivers/net/ipvlan/ipvlan_core.c:57:36: sparse: incorrect type in argument 1 (different base types) @@    expected unsigned int [unsigned] [usertype] a @@    got unsigned int [unsigned] [usertype] a @@
   drivers/net/ipvlan/ipvlan_core.c:57:36:    expected unsigned int [unsigned] [usertype] a
   drivers/net/ipvlan/ipvlan_core.c:57:36:    got restricted __be32 const [usertype] s_addr
>> drivers/net/ipvlan/ipvlan.h:183:32: sparse: incompatible types in comparison expression (different address spaces)
--
>> drivers/net/ipvlan/ipvlan.h:183:32: sparse: incompatible types in comparison expression (different address spaces)
>> drivers/net/ipvlan/ipvlan.h:183:32: sparse: incompatible types in comparison expression (different address spaces)
>> drivers/net/ipvlan/ipvlan.h:183:32: sparse: incompatible types in comparison expression (different address spaces)

vim +183 drivers/net/ipvlan/ipvlan.h

   180	
   181	static inline bool netif_is_ipvlan_port(const struct net_device *dev)
   182	{
 > 183		return dev->rx_handler == ipvlan_handle_frame;
   184	}
   185	

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