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a="339540935" X-IronPort-AV: E=Sophos;i="5.91,278,1647327600"; d="scan'208";a="339540935" Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Jun 2022 12:43:53 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.91,278,1647327600"; d="scan'208";a="646925614" Received: from lkp-server01.sh.intel.com (HELO 60dabacc1df6) ([10.239.97.150]) by fmsmga004.fm.intel.com with ESMTP; 04 Jun 2022 12:43:51 -0700 Received: from kbuild by 60dabacc1df6 with local (Exim 4.95) (envelope-from ) id 1nxZgc-000BA5-Pd; Sat, 04 Jun 2022 19:43:50 +0000 Date: Sun, 5 Jun 2022 03:43:05 +0800 From: kernel test robot To: Hyun Kwon Cc: kbuild-all@lists.01.org, linux-arm-kernel@lists.infradead.org, Michal Simek Subject: [xilinx-xlnx:xlnx_rebase_v5.15_LTS_2022.1_update 627/1104] drivers/gpu/drm/xlnx/xlnx_bridge.c:339:22: sparse: sparse: incorrect type in argument 1 (different address spaces) Message-ID: <202206050337.2ZUVpmxB-lkp@intel.com> MIME-Version: 1.0 Content-Disposition: inline X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220604_124358_017750_E8C03E9F X-CRM114-Status: GOOD ( 11.59 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org tree: https://github.com/Xilinx/linux-xlnx xlnx_rebase_v5.15_LTS_2022.1_update head: 9203af14476dce35e697e2c3f2d6d2aa7ee0e77a commit: e9b2e76207572317b0b92e330a639c8a8ebe06ff [627/1104] drm: xlnx: drv: Add Xilinx bridge support config: m68k-randconfig-s032-20220605 (https://download.01.org/0day-ci/archive/20220605/202206050337.2ZUVpmxB-lkp@intel.com/config) compiler: m68k-linux-gcc (GCC) 11.3.0 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: v0.6.4-18-g56afb504-dirty # https://github.com/Xilinx/linux-xlnx/commit/e9b2e76207572317b0b92e330a639c8a8ebe06ff git remote add xilinx-xlnx https://github.com/Xilinx/linux-xlnx git fetch --no-tags xilinx-xlnx xlnx_rebase_v5.15_LTS_2022.1_update git checkout e9b2e76207572317b0b92e330a639c8a8ebe06ff # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=m68k SHELL=/bin/bash drivers/gpu/drm/xlnx/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot sparse warnings: (new ones prefixed by >>) >> drivers/gpu/drm/xlnx/xlnx_bridge.c:339:22: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected char const * @@ got char const [noderef] __user *buf @@ drivers/gpu/drm/xlnx/xlnx_bridge.c:339:22: sparse: expected char const * drivers/gpu/drm/xlnx/xlnx_bridge.c:339:22: sparse: got char const [noderef] __user *buf drivers/gpu/drm/xlnx/xlnx_bridge.c:341:29: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected char const * @@ got char const [noderef] __user *buf @@ drivers/gpu/drm/xlnx/xlnx_bridge.c:341:29: sparse: expected char const * drivers/gpu/drm/xlnx/xlnx_bridge.c:341:29: sparse: got char const [noderef] __user *buf drivers/gpu/drm/xlnx/xlnx_bridge.c:343:29: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected char const * @@ got char const [noderef] __user *buf @@ drivers/gpu/drm/xlnx/xlnx_bridge.c:343:29: sparse: expected char const * drivers/gpu/drm/xlnx/xlnx_bridge.c:343:29: sparse: got char const [noderef] __user *buf vim +339 drivers/gpu/drm/xlnx/xlnx_bridge.c 330 331 static ssize_t xlnx_bridge_debugfs_write(struct file *f, const char __user *buf, 332 size_t size, loff_t *pos) 333 { 334 struct xlnx_bridge *bridge = f->f_inode->i_private; 335 336 if (*pos != 0 || size <= 0) 337 return -EINVAL; 338 > 339 if (!strncmp(buf, "enable", 5)) { 340 xlnx_bridge_enable(bridge); 341 } else if (!strncmp(buf, "disable", 6)) { 342 xlnx_bridge_disable(bridge); 343 } else if (!strncmp(buf, "set_input", 3)) { 344 char *cmd, **tmp; 345 char *w, *h, *bus_fmt; 346 u32 width = 0, height = 0, fmt = 0; 347 int ret; 348 349 cmd = kzalloc(size, GFP_KERNEL); 350 if (!cmd) 351 return -ENOMEM; 352 353 ret = strncpy_from_user(cmd, buf, size); 354 if (ret < 0) { 355 pr_err("%s %d failed to copy the command %s\n", 356 __func__, __LINE__, buf); 357 kfree(cmd); 358 return ret; 359 } 360 361 tmp = &cmd; 362 strsep(tmp, " "); 363 w = strsep(tmp, " "); 364 h = strsep(tmp, " "); 365 bus_fmt = strsep(tmp, " "); 366 if (w && h && bus_fmt) { 367 ret = kstrtouint(w, 0, &width); 368 ret |= kstrtouint(h, 0, &height); 369 ret |= kstrtouint(bus_fmt, 0, &fmt); 370 } 371 372 kfree(cmd); 373 if (ret) { 374 pr_err("%s %d invalid command: %s\n", 375 __func__, __LINE__, buf); 376 return -EINVAL; 377 } 378 xlnx_bridge_set_input(bridge, width, height, fmt); 379 } 380 381 return size; 382 } 383 -- 0-DAY CI Kernel Test Service https://01.org/lkp _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel