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Wed, 23 Mar 2022 23:19:19 +0000 Date: Thu, 24 Mar 2022 07:18:38 +0800 From: kernel test robot To: Jiri Pirko Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org Subject: [jpirko-mlxsw:jiri_devel_linecards 14/27] include/linux/stddef.h:8:14: warning: passing argument 3 of '__nsim_dev_port_add' makes integer from pointer without a cast Message-ID: <202203240754.0XOFWwW1-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org tree: https://github.com/jpirko/linux_mlxsw jiri_devel_linecards head: 4a0e7275ecdf8f8cfd4c1a2e9acd45f93f04c0df commit: a4347ad737edaf74ab771e14854e259ef224ab1c [14/27] netdevsim: allow port objects to be linked with line cards config: m68k-allyesconfig (https://download.01.org/0day-ci/archive/20220324/202203240754.0XOFWwW1-lkp@intel.com/config) compiler: m68k-linux-gcc (GCC) 11.2.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/jpirko/linux_mlxsw/commit/a4347ad737edaf74ab771e14854e259ef224ab1c git remote add jpirko-mlxsw https://github.com/jpirko/linux_mlxsw git fetch --no-tags jpirko-mlxsw jiri_devel_linecards git checkout a4347ad737edaf74ab771e14854e259ef224ab1c # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=m68k SHELL=/bin/bash drivers/net/netdevsim/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All warnings (new ones prefixed by >>): In file included from include/uapi/linux/posix_types.h:5, from include/uapi/linux/types.h:14, from include/linux/types.h:6, from include/linux/kasan-checks.h:5, from include/asm-generic/rwonce.h:26, from ./arch/m68k/include/generated/asm/rwonce.h:1, from include/linux/compiler.h:255, from include/linux/build_bug.h:5, from include/linux/container_of.h:5, from include/linux/list.h:5, from include/linux/wait.h:7, from include/linux/wait_bit.h:8, from include/linux/fs.h:6, from include/linux/debugfs.h:15, from drivers/net/netdevsim/dev.c:18: drivers/net/netdevsim/dev.c: In function 'nsim_esw_switchdev_enable': >> include/linux/stddef.h:8:14: warning: passing argument 3 of '__nsim_dev_port_add' makes integer from pointer without a cast [-Wint-conversion] 8 | #define NULL ((void *)0) | ^~~~~~~~~~~ | | | void * drivers/net/netdevsim/dev.c:638:43: note: in expansion of macro 'NULL' 638 | NULL, i); | ^~~~ drivers/net/netdevsim/dev.c:613:34: note: expected 'unsigned int' but argument is of type 'void *' 613 | unsigned int port_index); | ~~~~~~~~~~~~~^~~~~~~~~~ drivers/net/netdevsim/dev.c:637:23: error: too many arguments to function '__nsim_dev_port_add' 637 | err = __nsim_dev_port_add(nsim_dev, NSIM_DEV_PORT_TYPE_VF, | ^~~~~~~~~~~~~~~~~~~ drivers/net/netdevsim/dev.c:612:1: note: declared here 612 | __nsim_dev_port_add(struct nsim_dev *nsim_dev, enum nsim_dev_port_type type, | ^~~~~~~~~~~~~~~~~~~ drivers/net/netdevsim/dev.c:651:25: error: too many arguments to function '__nsim_dev_port_del' 651 | __nsim_dev_port_del(nsim_dev_port, NULL, i); | ^~~~~~~~~~~~~~~~~~~ drivers/net/netdevsim/dev.c:614:13: note: declared here 614 | static void __nsim_dev_port_del(struct nsim_dev_port *nsim_dev_port); | ^~~~~~~~~~~~~~~~~~~ drivers/net/netdevsim/dev.c: At top level: drivers/net/netdevsim/dev.c:1393:12: error: conflicting types for '__nsim_dev_port_add'; have 'int(struct nsim_dev *, enum nsim_dev_port_type, struct nsim_dev_linecard *, unsigned int)' 1393 | static int __nsim_dev_port_add(struct nsim_dev *nsim_dev, enum nsim_dev_port_type type, | ^~~~~~~~~~~~~~~~~~~ drivers/net/netdevsim/dev.c:612:1: note: previous declaration of '__nsim_dev_port_add' with type 'int(struct nsim_dev *, enum nsim_dev_port_type, unsigned int)' 612 | __nsim_dev_port_add(struct nsim_dev *nsim_dev, enum nsim_dev_port_type type, | ^~~~~~~~~~~~~~~~~~~ >> drivers/net/netdevsim/dev.c:612:1: warning: '__nsim_dev_port_add' used but never defined vim +/__nsim_dev_port_add +8 include/linux/stddef.h ^1da177e4c3f41 Linus Torvalds 2005-04-16 6 ^1da177e4c3f41 Linus Torvalds 2005-04-16 7 #undef NULL ^1da177e4c3f41 Linus Torvalds 2005-04-16 @8 #define NULL ((void *)0) 6e218287432472 Richard Knutsson 2006-09-30 9 :::::: The code at line 8 was first introduced by commit :::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2 :::::: TO: Linus Torvalds :::::: CC: Linus Torvalds -- 0-DAY CI Kernel Test Service https://01.org/lkp