tree: https://git.kernel.org/pub/scm/linux/kernel/git/leon/linux-rdma.git rdma-next head: b108f2e57cf8856283e0f6600ae5365d18c460f8 commit: bf1591a580210cdbfbba57f2dd5bbd1adb5e16f6 [9/36] RDMA/cma: Provide ECE reject reason config: arm-allyesconfig (attached as .config) compiler: arm-linux-gnueabi-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 git checkout bf1591a580210cdbfbba57f2dd5bbd1adb5e16f6 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>, old ones prefixed by <<): drivers/infiniband/ulp/rtrs/rtrs-srv.c: In function 'rtrs_rdma_do_reject': 1579 | err = rdma_reject(cm_id, &msg, sizeof(msg)); | ^~~~~~~~~~~ In file included from drivers/infiniband/ulp/rtrs/rtrs-pri.h:14, from drivers/infiniband/ulp/rtrs/rtrs-srv.h:15, from drivers/infiniband/ulp/rtrs/rtrs-srv.c:16: include/rdma/rdma_cm.h:331:5: note: declared here 331 | int rdma_reject(struct rdma_cm_id *id, const void *private_data, | ^~~~~~~~~~~ vim +/rdma_reject +1579 drivers/infiniband/ulp/rtrs/rtrs-srv.c 9cb837480424e7 Jack Wang 2020-05-11 1567 9cb837480424e7 Jack Wang 2020-05-11 1568 static int rtrs_rdma_do_reject(struct rdma_cm_id *cm_id, int errno) 9cb837480424e7 Jack Wang 2020-05-11 1569 { 9cb837480424e7 Jack Wang 2020-05-11 1570 struct rtrs_msg_conn_rsp msg; 9cb837480424e7 Jack Wang 2020-05-11 1571 int err; 9cb837480424e7 Jack Wang 2020-05-11 1572 9cb837480424e7 Jack Wang 2020-05-11 1573 msg = (struct rtrs_msg_conn_rsp) { 9cb837480424e7 Jack Wang 2020-05-11 1574 .magic = cpu_to_le16(RTRS_MAGIC), 9cb837480424e7 Jack Wang 2020-05-11 1575 .version = cpu_to_le16(RTRS_PROTO_VER), 9cb837480424e7 Jack Wang 2020-05-11 1576 .errno = cpu_to_le16(errno), 9cb837480424e7 Jack Wang 2020-05-11 1577 }; 9cb837480424e7 Jack Wang 2020-05-11 1578 9cb837480424e7 Jack Wang 2020-05-11 @1579 err = rdma_reject(cm_id, &msg, sizeof(msg)); 9cb837480424e7 Jack Wang 2020-05-11 1580 if (err) 9cb837480424e7 Jack Wang 2020-05-11 1581 pr_err("rdma_reject(), err: %d\n", err); 9cb837480424e7 Jack Wang 2020-05-11 1582 9cb837480424e7 Jack Wang 2020-05-11 1583 /* Bounce errno back */ 9cb837480424e7 Jack Wang 2020-05-11 1584 return errno; 9cb837480424e7 Jack Wang 2020-05-11 1585 } 9cb837480424e7 Jack Wang 2020-05-11 1586 :::::: The code at line 1579 was first introduced by commit :::::: 9cb837480424e78ed585376f944088246685aec3 RDMA/rtrs: server: main functionality :::::: TO: Jack Wang <jinpu.wang(a)cloud.ionos.com&gt; :::::: CC: Jason Gunthorpe <jgg(a)mellanox.com&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org