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Sun, 20 Feb 2022 16:23:41 +0000 Date: Mon, 21 Feb 2022 00:23:13 +0800 From: kernel test robot To: Thomas Bogendoerfer Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org, Christoph Hellwig Subject: drivers/watchdog/indydog.c:116:24: sparse: sparse: incorrect type in initializer (different address spaces) Message-ID: <202202210058.Ytrak73L-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://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 4f12b742eb2b3a850ac8be7dc4ed52976fc6cb0b commit: ddb002d6d6af12c45dd9d565cadf0f40b36b7c25 MIPS: uaccess: Reduce number of nested macros date: 10 months ago config: mips-randconfig-s032-20220220 (https://download.01.org/0day-ci/archive/20220221/202202210058.Ytrak73L-lkp@intel.com/config) compiler: mips64-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://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ddb002d6d6af12c45dd9d565cadf0f40b36b7c25 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout ddb002d6d6af12c45dd9d565cadf0f40b36b7c25 # 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=mips SHELL=/bin/bash drivers/watchdog/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot sparse warnings: (new ones prefixed by >>) command-line: note: in included file: builtin:1:9: sparse: sparse: preprocessor token __ATOMIC_ACQUIRE redefined builtin:0:0: sparse: this was the original definition builtin:1:9: sparse: sparse: preprocessor token __ATOMIC_SEQ_CST redefined builtin:0:0: sparse: this was the original definition builtin:1:9: sparse: sparse: preprocessor token __ATOMIC_ACQ_REL redefined builtin:0:0: sparse: this was the original definition builtin:1:9: sparse: sparse: preprocessor token __ATOMIC_RELEASE redefined builtin:0:0: sparse: this was the original definition drivers/watchdog/indydog.c:110:35: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void [noderef] __user *to @@ got struct watchdog_info * @@ drivers/watchdog/indydog.c:110:35: sparse: expected void [noderef] __user *to drivers/watchdog/indydog.c:110:35: sparse: got struct watchdog_info * >> drivers/watchdog/indydog.c:116:24: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected int [noderef] __user *__p @@ got int * @@ drivers/watchdog/indydog.c:116:24: sparse: expected int [noderef] __user *__p drivers/watchdog/indydog.c:116:24: sparse: got int * >> drivers/watchdog/indydog.c:119:21: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected int const [noderef] __user *__p @@ got int * @@ drivers/watchdog/indydog.c:119:21: sparse: expected int const [noderef] __user *__p drivers/watchdog/indydog.c:119:21: sparse: got int * drivers/watchdog/indydog.c:135:24: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected int [noderef] __user *__p @@ got int * @@ drivers/watchdog/indydog.c:135:24: sparse: expected int [noderef] __user *__p drivers/watchdog/indydog.c:135:24: sparse: got int * drivers/watchdog/indydog.c:153:27: sparse: sparse: incorrect type in initializer (incompatible argument 2 (different address spaces)) @@ expected long ( *write )( ... ) @@ got long ( * )( ... ) @@ drivers/watchdog/indydog.c:153:27: sparse: expected long ( *write )( ... ) drivers/watchdog/indydog.c:153:27: sparse: got long ( * )( ... ) vim +116 drivers/watchdog/indydog.c ^1da177e4c3f41 drivers/char/watchdog/indydog.c Linus Torvalds 2005-04-16 97 9b9dbcca3fa13a drivers/watchdog/indydog.c Alan Cox 2008-05-19 98 static long indydog_ioctl(struct file *file, unsigned int cmd, 9b9dbcca3fa13a drivers/watchdog/indydog.c Alan Cox 2008-05-19 99 unsigned long arg) ^1da177e4c3f41 drivers/char/watchdog/indydog.c Linus Torvalds 2005-04-16 100 { ^1da177e4c3f41 drivers/char/watchdog/indydog.c Linus Torvalds 2005-04-16 101 int options, retval = -EINVAL; 42747d712de56c drivers/watchdog/indydog.c Wim Van Sebroeck 2009-12-26 102 static const struct watchdog_info ident = { e73a780272a46e drivers/watchdog/indydog.c Wim Van Sebroeck 2009-05-11 103 .options = WDIOF_KEEPALIVEPING, ^1da177e4c3f41 drivers/char/watchdog/indydog.c Linus Torvalds 2005-04-16 104 .firmware_version = 0, ^1da177e4c3f41 drivers/char/watchdog/indydog.c Linus Torvalds 2005-04-16 105 .identity = "Hardware Watchdog for SGI IP22", ^1da177e4c3f41 drivers/char/watchdog/indydog.c Linus Torvalds 2005-04-16 106 }; ^1da177e4c3f41 drivers/char/watchdog/indydog.c Linus Torvalds 2005-04-16 107 ^1da177e4c3f41 drivers/char/watchdog/indydog.c Linus Torvalds 2005-04-16 108 switch (cmd) { ^1da177e4c3f41 drivers/char/watchdog/indydog.c Linus Torvalds 2005-04-16 109 case WDIOC_GETSUPPORT: ^1da177e4c3f41 drivers/char/watchdog/indydog.c Linus Torvalds 2005-04-16 110 if (copy_to_user((struct watchdog_info *)arg, ^1da177e4c3f41 drivers/char/watchdog/indydog.c Linus Torvalds 2005-04-16 111 &ident, sizeof(ident))) ^1da177e4c3f41 drivers/char/watchdog/indydog.c Linus Torvalds 2005-04-16 112 return -EFAULT; ^1da177e4c3f41 drivers/char/watchdog/indydog.c Linus Torvalds 2005-04-16 113 return 0; ^1da177e4c3f41 drivers/char/watchdog/indydog.c Linus Torvalds 2005-04-16 114 case WDIOC_GETSTATUS: ^1da177e4c3f41 drivers/char/watchdog/indydog.c Linus Torvalds 2005-04-16 115 case WDIOC_GETBOOTSTATUS: ^1da177e4c3f41 drivers/char/watchdog/indydog.c Linus Torvalds 2005-04-16 @116 return put_user(0, (int *)arg); ^1da177e4c3f41 drivers/char/watchdog/indydog.c Linus Torvalds 2005-04-16 117 case WDIOC_SETOPTIONS: ^1da177e4c3f41 drivers/char/watchdog/indydog.c Linus Torvalds 2005-04-16 118 { ^1da177e4c3f41 drivers/char/watchdog/indydog.c Linus Torvalds 2005-04-16 @119 if (get_user(options, (int *)arg)) ^1da177e4c3f41 drivers/char/watchdog/indydog.c Linus Torvalds 2005-04-16 120 return -EFAULT; ^1da177e4c3f41 drivers/char/watchdog/indydog.c Linus Torvalds 2005-04-16 121 if (options & WDIOS_DISABLECARD) { ^1da177e4c3f41 drivers/char/watchdog/indydog.c Linus Torvalds 2005-04-16 122 indydog_stop(); ^1da177e4c3f41 drivers/char/watchdog/indydog.c Linus Torvalds 2005-04-16 123 retval = 0; ^1da177e4c3f41 drivers/char/watchdog/indydog.c Linus Torvalds 2005-04-16 124 } ^1da177e4c3f41 drivers/char/watchdog/indydog.c Linus Torvalds 2005-04-16 125 if (options & WDIOS_ENABLECARD) { ^1da177e4c3f41 drivers/char/watchdog/indydog.c Linus Torvalds 2005-04-16 126 indydog_start(); ^1da177e4c3f41 drivers/char/watchdog/indydog.c Linus Torvalds 2005-04-16 127 retval = 0; ^1da177e4c3f41 drivers/char/watchdog/indydog.c Linus Torvalds 2005-04-16 128 } ^1da177e4c3f41 drivers/char/watchdog/indydog.c Linus Torvalds 2005-04-16 129 return retval; ^1da177e4c3f41 drivers/char/watchdog/indydog.c Linus Torvalds 2005-04-16 130 } 0c06090c9472db drivers/watchdog/indydog.c Wim Van Sebroeck 2008-07-18 131 case WDIOC_KEEPALIVE: 0c06090c9472db drivers/watchdog/indydog.c Wim Van Sebroeck 2008-07-18 132 indydog_ping(); 0c06090c9472db drivers/watchdog/indydog.c Wim Van Sebroeck 2008-07-18 133 return 0; 0c06090c9472db drivers/watchdog/indydog.c Wim Van Sebroeck 2008-07-18 134 case WDIOC_GETTIMEOUT: 0c06090c9472db drivers/watchdog/indydog.c Wim Van Sebroeck 2008-07-18 135 return put_user(WATCHDOG_TIMEOUT, (int *)arg); 9b9dbcca3fa13a drivers/watchdog/indydog.c Alan Cox 2008-05-19 136 default: 9b9dbcca3fa13a drivers/watchdog/indydog.c Alan Cox 2008-05-19 137 return -ENOTTY; ^1da177e4c3f41 drivers/char/watchdog/indydog.c Linus Torvalds 2005-04-16 138 } ^1da177e4c3f41 drivers/char/watchdog/indydog.c Linus Torvalds 2005-04-16 139 } ^1da177e4c3f41 drivers/char/watchdog/indydog.c Linus Torvalds 2005-04-16 140 :::::: The code at line 116 was first introduced by commit :::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2 :::::: TO: Linus Torvalds :::::: CC: Linus Torvalds --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org