Hi Srinivas, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on char-misc/char-misc-testing] [also build test WARNING on robh/for-next linux/master linus/master v5.17-rc1 next-20220125] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Srinivas-Kandagatla/misc-fastrpc-Add-missing-DSP-FastRPC-features/20220126-215705 base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git 515a2f507491e7c3818e74ef4f4e088c1fecb190 config: csky-randconfig-s031-20220124 (https://download.01.org/0day-ci/archive/20220127/202201271240.IB5pvRUs-lkp@xxxxxxxxx/config) compiler: csky-linux-gcc (GCC) 11.2.0 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: v0.6.4-dirty # https://github.com/0day-ci/linux/commit/b1c0b7969aa491881596e862a90a07afae4bdfd7 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Srinivas-Kandagatla/misc-fastrpc-Add-missing-DSP-FastRPC-features/20220126-215705 git checkout b1c0b7969aa491881596e862a90a07afae4bdfd7 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=csky SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> sparse warnings: (new ones prefixed by >>) >> drivers/misc/fastrpc.c:1544:30: sparse: sparse: non size-preserving pointer to integer cast drivers/misc/fastrpc.c:1599:30: sparse: sparse: non size-preserving pointer to integer cast drivers/misc/fastrpc.c:1605:30: sparse: sparse: non size-preserving pointer to integer cast drivers/misc/fastrpc.c:1608:30: sparse: sparse: non size-preserving pointer to integer cast drivers/misc/fastrpc.c:1611:30: sparse: sparse: non size-preserving pointer to integer cast vim +1544 drivers/misc/fastrpc.c 1515 1516 static int fastrpc_req_mem_unmap_impl(struct fastrpc_user *fl, struct fastrpc_mem_unmap *req) 1517 { 1518 struct fastrpc_invoke_args args[1] = { [0] = { 0 } }; 1519 struct fastrpc_map *map = NULL, *m; 1520 struct fastrpc_mem_unmap_req_msg req_msg = { 0 }; 1521 int err = 0; 1522 u32 sc; 1523 struct device *dev = fl->sctx->dev; 1524 1525 spin_lock(&fl->lock); 1526 list_for_each_entry_safe(map, m, &fl->maps, node) { 1527 if ((req->fd < 0 || map->fd == req->fd) && (map->raddr == req->vaddr)) 1528 break; 1529 map = NULL; 1530 } 1531 1532 spin_unlock(&fl->lock); 1533 1534 if (!map) { 1535 dev_err(dev, "map not in list\n"); 1536 return -EINVAL; 1537 } 1538 1539 req_msg.pgid = fl->tgid; 1540 req_msg.len = map->len; 1541 req_msg.vaddrin = map->raddr; 1542 req_msg.fd = map->fd; 1543 > 1544 args[0].ptr = (u64) &req_msg; 1545 args[0].length = sizeof(req_msg); 1546 1547 sc = FASTRPC_SCALARS(FASTRPC_RMID_INIT_MEM_UNMAP, 1, 0); 1548 err = fastrpc_internal_invoke(fl, true, FASTRPC_INIT_HANDLE, sc, 1549 &args[0]); 1550 fastrpc_map_put(map); 1551 if (err) 1552 dev_err(dev, "unmmap\tpt fd = %d, 0x%09llx error\n", map->fd, map->raddr); 1553 1554 return err; 1555 } 1556 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
