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Mon, 11 Dec 2023 23:17:08 +0000 Date: Tue, 12 Dec 2023 07:16:57 +0800 From: kernel test robot To: Dan Carpenter Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, Ingo Molnar , Luca Abeni Subject: drivers/firmware/dmi_scan.c:145:13: sparse: sparse: incorrect type in assignment (different address spaces) Message-ID: <202312120718.oZqe253R-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline 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: a39b6ac3781d46ba18193c9dbb2110f31e9bffe9 commit: aa5222e92f8000ed3c1c38dddf11c83222aadfb3 sched/deadline: Don't use dubious signed bitfields date: 6 years ago config: arm64-randconfig-r121-20231116 (https://download.01.org/0day-ci/archive/20231212/202312120718.oZqe253R-lkp@intel.com/config) compiler: aarch64-linux-gcc (GCC) 13.2.0 reproduce: (https://download.01.org/0day-ci/archive/20231212/202312120718.oZqe253R-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202312120718.oZqe253R-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) >> drivers/firmware/dmi_scan.c:145:13: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected unsigned char [usertype] *buf @@ got void [noderef] __iomem * @@ drivers/firmware/dmi_scan.c:145:13: sparse: expected unsigned char [usertype] *buf drivers/firmware/dmi_scan.c:145:13: sparse: got void [noderef] __iomem * >> drivers/firmware/dmi_scan.c:153:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got unsigned char [usertype] *buf @@ drivers/firmware/dmi_scan.c:153:9: sparse: expected void volatile [noderef] __iomem *addr drivers/firmware/dmi_scan.c:153:9: sparse: got unsigned char [usertype] *buf >> drivers/firmware/dmi_scan.c:736:19: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected unsigned char [usertype] *dmi_table @@ got void [noderef] __iomem * @@ drivers/firmware/dmi_scan.c:736:19: sparse: expected unsigned char [usertype] *dmi_table drivers/firmware/dmi_scan.c:736:19: sparse: got void [noderef] __iomem * >> drivers/firmware/dmi_scan.c:755:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got unsigned char [usertype] *dmi_table @@ drivers/firmware/dmi_scan.c:755:9: sparse: expected void volatile [noderef] __iomem *addr drivers/firmware/dmi_scan.c:755:9: sparse: got unsigned char [usertype] *dmi_table drivers/firmware/dmi_scan.c:1031:13: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected unsigned char [usertype] *buf @@ got void [noderef] __iomem * @@ drivers/firmware/dmi_scan.c:1031:13: sparse: expected unsigned char [usertype] *buf drivers/firmware/dmi_scan.c:1031:13: sparse: got void [noderef] __iomem * drivers/firmware/dmi_scan.c:1037:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got unsigned char [usertype] *buf @@ drivers/firmware/dmi_scan.c:1037:9: sparse: expected void volatile [noderef] __iomem *addr drivers/firmware/dmi_scan.c:1037:9: sparse: got unsigned char [usertype] *buf vim +145 drivers/firmware/dmi_scan.c 7fce084a0b3e2b drivers/firmware/dmi_scan.c Jean Delvare 2007-11-03 138 e7a19c5624c66a drivers/firmware/dmi_scan.c Jean Delvare 2009-03-30 139 static int __init dmi_walk_early(void (*decode)(const struct dmi_header *, e7a19c5624c66a drivers/firmware/dmi_scan.c Jean Delvare 2009-03-30 140 void *)) 7fce084a0b3e2b drivers/firmware/dmi_scan.c Jean Delvare 2007-11-03 141 { 7fce084a0b3e2b drivers/firmware/dmi_scan.c Jean Delvare 2007-11-03 142 u8 *buf; 6e0ad59e3d838a drivers/firmware/dmi_scan.c Jean Delvare 2015-06-25 143 u32 orig_dmi_len = dmi_len; 7fce084a0b3e2b drivers/firmware/dmi_scan.c Jean Delvare 2007-11-03 144 6e0ad59e3d838a drivers/firmware/dmi_scan.c Jean Delvare 2015-06-25 @145 buf = dmi_early_remap(dmi_base, orig_dmi_len); 7fce084a0b3e2b drivers/firmware/dmi_scan.c Jean Delvare 2007-11-03 146 if (buf == NULL) c926820085437a drivers/firmware/dmi_scan.c Andy Lutomirski 2017-06-15 147 return -ENOMEM; 7fce084a0b3e2b drivers/firmware/dmi_scan.c Jean Delvare 2007-11-03 148 eb4c5ea50e60aa drivers/firmware/dmi_scan.c Ivan Khoronzhuk 2015-06-25 149 dmi_decode_table(buf, decode, NULL); 7fce084a0b3e2b drivers/firmware/dmi_scan.c Jean Delvare 2007-11-03 150 d114a333874725 drivers/firmware/dmi_scan.c Tony Luck 2012-07-20 151 add_device_randomness(buf, dmi_len); d114a333874725 drivers/firmware/dmi_scan.c Tony Luck 2012-07-20 152 6e0ad59e3d838a drivers/firmware/dmi_scan.c Jean Delvare 2015-06-25 @153 dmi_early_unmap(buf, orig_dmi_len); ^1da177e4c3f41 arch/i386/kernel/dmi_scan.c Linus Torvalds 2005-04-16 154 return 0; ^1da177e4c3f41 arch/i386/kernel/dmi_scan.c Linus Torvalds 2005-04-16 155 } ^1da177e4c3f41 arch/i386/kernel/dmi_scan.c Linus Torvalds 2005-04-16 156 :::::: The code at line 145 was first introduced by commit :::::: 6e0ad59e3d838a2887e7aa657baee5896030d009 firmware: dmi_scan: Trim DMI table length before exporting it :::::: TO: Jean Delvare :::::: CC: Jean Delvare -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki