[ceph-client:pr/22 32/34] net/ceph/messenger_v2.c:601:24: sparse: sparse: incorrect type in assignment (different base types)

From: kernel test robot <lkp@intel.com>
To: Ilya Dryomov <idryomov@gmail.com>
Cc: kbuild-all@lists.01.org, ceph-devel@vger.kernel.org
Subject: [ceph-client:pr/22 32/34] net/ceph/messenger_v2.c:601:24: sparse: sparse: incorrect type in assignment (different base types)
Date: Mon, 14 Dec 2020 22:28:38 +0800	[thread overview]
Message-ID: <202012142233.a4thz4WN-lkp@intel.com> (raw)

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tree:   https://github.com/ceph/ceph-client.git pr/22
head:   524d1e6601a7d1214c502d5739f5a34f09a0960c
commit: 48b7789934f0e94b975e98b74eaf18301fc0cfcd [32/34] libceph: implement msgr2.1 protocol (crc and secure modes)
config: alpha-randconfig-s032-20201214 (attached as .config)
compiler: alpha-linux-gcc (GCC) 9.3.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # apt-get install sparse
        # sparse version: v0.6.3-184-g1b896707-dirty
        # https://github.com/ceph/ceph-client/commit/48b7789934f0e94b975e98b74eaf18301fc0cfcd
        git remote add ceph-client https://github.com/ceph/ceph-client.git
        git fetch --no-tags ceph-client pr/22
        git checkout 48b7789934f0e94b975e98b74eaf18301fc0cfcd
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=alpha 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>


"sparse warnings: (new ones prefixed by >>)"
>> net/ceph/messenger_v2.c:601:24: sparse: sparse: incorrect type in assignment (different base types) @@     expected restricted __le32 [usertype] front_len @@     got int front_len @@
   net/ceph/messenger_v2.c:601:24: sparse:     expected restricted __le32 [usertype] front_len
   net/ceph/messenger_v2.c:601:24: sparse:     got int front_len
>> net/ceph/messenger_v2.c:602:25: sparse: sparse: incorrect type in assignment (different base types) @@     expected restricted __le32 [usertype] middle_len @@     got int middle_len @@
   net/ceph/messenger_v2.c:602:25: sparse:     expected restricted __le32 [usertype] middle_len
   net/ceph/messenger_v2.c:602:25: sparse:     got int middle_len
>> net/ceph/messenger_v2.c:603:23: sparse: sparse: incorrect type in assignment (different base types) @@     expected restricted __le32 [usertype] data_len @@     got int data_len @@
   net/ceph/messenger_v2.c:603:23: sparse:     expected restricted __le32 [usertype] data_len
   net/ceph/messenger_v2.c:603:23: sparse:     got int data_len

vim +601 net/ceph/messenger_v2.c

   590	
   591	static void fill_header(struct ceph_msg_header *hdr,
   592				const struct ceph_msg_header2 *hdr2,
   593				int front_len, int middle_len, int data_len,
   594				const struct ceph_entity_name *peer_name)
   595	{
   596		hdr->seq = hdr2->seq;
   597		hdr->tid = hdr2->tid;
   598		hdr->type = hdr2->type;
   599		hdr->priority = hdr2->priority;
   600		hdr->version = hdr2->version;
 > 601		hdr->front_len = front_len;
 > 602		hdr->middle_len = middle_len;
 > 603		hdr->data_len = data_len;
   604		hdr->data_off = hdr2->data_off;
   605		hdr->src = *peer_name;
   606		hdr->compat_version = hdr2->compat_version;
   607		hdr->reserved = 0;
   608		hdr->crc = 0;
   609	}
   610	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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