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Date: Wed, 2 Nov 2022 04:12:35 +0800
From: kernel test robot <lkp@...el.com>
To: Geert Uytterhoeven <geert@...ux-m68k.org>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
Guenter Roeck <linux@...ck-us.net>,
Michael Schmitz <schmitzmic@...il.com>
Subject: drivers/block/paride/bpck.c:182:59: sparse: sparse: cast to
restricted __le16
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 5aaef24b5c6d4246b2cac1be949869fa36577737
commit: 30b5e6ef4a32ea4985b99200e06d6660a69f9246 m68k: atari: Make Atari ROM port I/O write macros return void
date: 5 months ago
config: m68k-randconfig-s031-20221031
compiler: m68k-linux-gcc (GCC) 12.1.0
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: v0.6.4-39-gce1a6720-dirty
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=30b5e6ef4a32ea4985b99200e06d6660a69f9246
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 30b5e6ef4a32ea4985b99200e06d6660a69f9246
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=m68k SHELL=/bin/bash
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
sparse warnings: (new ones prefixed by >>)
>> drivers/block/paride/bpck.c:182:59: sparse: sparse: cast to restricted __le16
>> drivers/block/paride/bpck.c:182:59: sparse: sparse: cast to restricted __le16
>> drivers/block/paride/bpck.c:182:59: sparse: sparse: cast to restricted __le16
>> drivers/block/paride/bpck.c:182:59: sparse: sparse: cast to restricted __le16
drivers/block/paride/bpck.c: note: in included file (through arch/m68k/include/asm/io.h):
arch/m68k/include/asm/io_mm.h:166:21: sparse: sparse: Using plain integer as NULL pointer
drivers/block/paride/bpck.c:323:72: sparse: sparse: cast to restricted __le16
drivers/block/paride/bpck.c:323:72: sparse: sparse: cast to restricted __le16
drivers/block/paride/bpck.c:323:72: sparse: sparse: cast to restricted __le16
drivers/block/paride/bpck.c:323:72: sparse: sparse: cast to restricted __le16
arch/m68k/include/asm/io_mm.h:166:21: sparse: sparse: Using plain integer as NULL pointer
arch/m68k/include/asm/io_mm.h:166:21: sparse: sparse: Using plain integer as NULL pointer
arch/m68k/include/asm/io_mm.h:166:21: sparse: sparse: Using plain integer as NULL pointer
arch/m68k/include/asm/io_mm.h:166:21: sparse: sparse: Using plain integer as NULL pointer
arch/m68k/include/asm/io_mm.h:166:21: sparse: sparse: Using plain integer as NULL pointer
arch/m68k/include/asm/io_mm.h:166:21: sparse: sparse: Using plain integer as NULL pointer
arch/m68k/include/asm/io_mm.h:166:21: sparse: sparse: Using plain integer as NULL pointer
--
>> drivers/block/paride/comm.c:135:59: sparse: sparse: cast to restricted __le16
>> drivers/block/paride/comm.c:135:59: sparse: sparse: cast to restricted __le16
>> drivers/block/paride/comm.c:135:59: sparse: sparse: cast to restricted __le16
>> drivers/block/paride/comm.c:135:59: sparse: sparse: cast to restricted __le16
drivers/block/paride/comm.c: note: in included file (through arch/m68k/include/asm/io.h):
arch/m68k/include/asm/io_mm.h:166:21: sparse: sparse: Using plain integer as NULL pointer
arch/m68k/include/asm/io_mm.h:166:21: sparse: sparse: Using plain integer as NULL pointer
arch/m68k/include/asm/io_mm.h:166:21: sparse: sparse: Using plain integer as NULL pointer
arch/m68k/include/asm/io_mm.h:166:21: sparse: sparse: Using plain integer as NULL pointer
arch/m68k/include/asm/io_mm.h:166:21: sparse: sparse: Using plain integer as NULL pointer
--
>> drivers/block/paride/dstr.c:145:59: sparse: sparse: cast to restricted __le16
>> drivers/block/paride/dstr.c:145:59: sparse: sparse: cast to restricted __le16
>> drivers/block/paride/dstr.c:145:59: sparse: sparse: cast to restricted __le16
>> drivers/block/paride/dstr.c:145:59: sparse: sparse: cast to restricted __le16
drivers/block/paride/dstr.c: note: in included file (through arch/m68k/include/asm/io.h):
arch/m68k/include/asm/io_mm.h:166:21: sparse: sparse: Using plain integer as NULL pointer
arch/m68k/include/asm/io_mm.h:166:21: sparse: sparse: Using plain integer as NULL pointer
arch/m68k/include/asm/io_mm.h:166:21: sparse: sparse: Using plain integer as NULL pointer
arch/m68k/include/asm/io_mm.h:166:21: sparse: sparse: Using plain integer as NULL pointer
arch/m68k/include/asm/io_mm.h:166:21: sparse: sparse: Using plain integer as NULL pointer
--
>> drivers/block/paride/epat.c:146:62: sparse: sparse: cast to restricted __le16
>> drivers/block/paride/epat.c:146:62: sparse: sparse: cast to restricted __le16
>> drivers/block/paride/epat.c:146:62: sparse: sparse: cast to restricted __le16
>> drivers/block/paride/epat.c:146:62: sparse: sparse: cast to restricted __le16
drivers/block/paride/epat.c: note: in included file (through arch/m68k/include/asm/io.h):
arch/m68k/include/asm/io_mm.h:166:21: sparse: sparse: Using plain integer as NULL pointer
arch/m68k/include/asm/io_mm.h:166:21: sparse: sparse: Using plain integer as NULL pointer
arch/m68k/include/asm/io_mm.h:166:21: sparse: sparse: Using plain integer as NULL pointer
arch/m68k/include/asm/io_mm.h:166:21: sparse: sparse: Using plain integer as NULL pointer
arch/m68k/include/asm/io_mm.h:166:21: sparse: sparse: Using plain integer as NULL pointer
--
>> drivers/block/paride/epia.c:183:59: sparse: sparse: cast to restricted __le16
>> drivers/block/paride/epia.c:183:59: sparse: sparse: cast to restricted __le16
>> drivers/block/paride/epia.c:183:59: sparse: sparse: cast to restricted __le16
>> drivers/block/paride/epia.c:183:59: sparse: sparse: cast to restricted __le16
drivers/block/paride/epia.c: note: in included file (through arch/m68k/include/asm/io.h):
arch/m68k/include/asm/io_mm.h:166:21: sparse: sparse: Using plain integer as NULL pointer
arch/m68k/include/asm/io_mm.h:166:21: sparse: sparse: Using plain integer as NULL pointer
arch/m68k/include/asm/io_mm.h:166:21: sparse: sparse: Using plain integer as NULL pointer
arch/m68k/include/asm/io_mm.h:166:21: sparse: sparse: Using plain integer as NULL pointer
arch/m68k/include/asm/io_mm.h:166:21: sparse: sparse: Using plain integer as NULL pointer
--
drivers/block/paride/bpck6.c: note: in included file:
>> drivers/block/paride/ppc6lnx.c:470:50: sparse: sparse: cast to restricted __le16
>> drivers/block/paride/ppc6lnx.c:470:50: sparse: sparse: cast to restricted __le16
>> drivers/block/paride/ppc6lnx.c:470:50: sparse: sparse: cast to restricted __le16
>> drivers/block/paride/ppc6lnx.c:470:50: sparse: sparse: cast to restricted __le16
drivers/block/paride/bpck6.c: note: in included file (through arch/m68k/include/asm/io.h):
arch/m68k/include/asm/io_mm.h:166:21: sparse: sparse: Using plain integer as NULL pointer
arch/m68k/include/asm/io_mm.h:166:21: sparse: sparse: Using plain integer as NULL pointer
arch/m68k/include/asm/io_mm.h:166:21: sparse: sparse: Using plain integer as NULL pointer
arch/m68k/include/asm/io_mm.h:166:21: sparse: sparse: Using plain integer as NULL pointer
arch/m68k/include/asm/io_mm.h:166:21: sparse: sparse: Using plain integer as NULL pointer
--
>> drivers/block/paride/on26.c:221:59: sparse: sparse: cast to restricted __le16
>> drivers/block/paride/on26.c:221:59: sparse: sparse: cast to restricted __le16
>> drivers/block/paride/on26.c:221:59: sparse: sparse: cast to restricted __le16
>> drivers/block/paride/on26.c:221:59: sparse: sparse: cast to restricted __le16
drivers/block/paride/on26.c: note: in included file (through arch/m68k/include/asm/io.h):
arch/m68k/include/asm/io_mm.h:166:21: sparse: sparse: Using plain integer as NULL pointer
arch/m68k/include/asm/io_mm.h:166:21: sparse: sparse: Using plain integer as NULL pointer
arch/m68k/include/asm/io_mm.h:166:21: sparse: sparse: Using plain integer as NULL pointer
arch/m68k/include/asm/io_mm.h:166:21: sparse: sparse: Using plain integer as NULL pointer
arch/m68k/include/asm/io_mm.h:166:21: sparse: sparse: Using plain integer as NULL pointer
vim +182 drivers/block/paride/bpck.c
^1da177e4c3f41 Linus Torvalds 2005-04-16 153
^1da177e4c3f41 Linus Torvalds 2005-04-16 154 switch (pi->mode) {
^1da177e4c3f41 Linus Torvalds 2005-04-16 155
^1da177e4c3f41 Linus Torvalds 2005-04-16 156 case 0: WR(4,0x40);
^1da177e4c3f41 Linus Torvalds 2005-04-16 157 w0(0x40); t2(2);
^1da177e4c3f41 Linus Torvalds 2005-04-16 158 for (i=0;i<count;i++) {
^1da177e4c3f41 Linus Torvalds 2005-04-16 159 t2(4); l = r1();
^1da177e4c3f41 Linus Torvalds 2005-04-16 160 t2(4); h = r1();
^1da177e4c3f41 Linus Torvalds 2005-04-16 161 buf[i] = j44(l,h);
^1da177e4c3f41 Linus Torvalds 2005-04-16 162 }
^1da177e4c3f41 Linus Torvalds 2005-04-16 163 WR(4,0);
^1da177e4c3f41 Linus Torvalds 2005-04-16 164 break;
^1da177e4c3f41 Linus Torvalds 2005-04-16 165
^1da177e4c3f41 Linus Torvalds 2005-04-16 166 case 1: WR(4,0x50);
^1da177e4c3f41 Linus Torvalds 2005-04-16 167 w0(0x40); t2(2); t2(0x20);
^1da177e4c3f41 Linus Torvalds 2005-04-16 168 for(i=0;i<count;i++) { t2(4); buf[i] = r0(); }
^1da177e4c3f41 Linus Torvalds 2005-04-16 169 t2(1); t2(0x20);
^1da177e4c3f41 Linus Torvalds 2005-04-16 170 WR(4,0x10);
^1da177e4c3f41 Linus Torvalds 2005-04-16 171 break;
^1da177e4c3f41 Linus Torvalds 2005-04-16 172
^1da177e4c3f41 Linus Torvalds 2005-04-16 173 case 2: WR(4,0x48);
^1da177e4c3f41 Linus Torvalds 2005-04-16 174 w0(0x40); w2(9); w2(0); w2(0x20);
^1da177e4c3f41 Linus Torvalds 2005-04-16 175 for (i=0;i<count;i++) buf[i] = r4();
^1da177e4c3f41 Linus Torvalds 2005-04-16 176 w2(0);
^1da177e4c3f41 Linus Torvalds 2005-04-16 177 WR(4,8);
^1da177e4c3f41 Linus Torvalds 2005-04-16 178 break;
^1da177e4c3f41 Linus Torvalds 2005-04-16 179
^1da177e4c3f41 Linus Torvalds 2005-04-16 180 case 3: WR(4,0x48);
^1da177e4c3f41 Linus Torvalds 2005-04-16 181 w0(0x40); w2(9); w2(0); w2(0x20);
^1da177e4c3f41 Linus Torvalds 2005-04-16 @182 for (i=0;i<count/2;i++) ((u16 *)buf)[i] = r4w();
^1da177e4c3f41 Linus Torvalds 2005-04-16 183 w2(0);
^1da177e4c3f41 Linus Torvalds 2005-04-16 184 WR(4,8);
^1da177e4c3f41 Linus Torvalds 2005-04-16 185 break;
^1da177e4c3f41 Linus Torvalds 2005-04-16 186
^1da177e4c3f41 Linus Torvalds 2005-04-16 187 case 4: WR(4,0x48);
^1da177e4c3f41 Linus Torvalds 2005-04-16 188 w0(0x40); w2(9); w2(0); w2(0x20);
^1da177e4c3f41 Linus Torvalds 2005-04-16 189 for (i=0;i<count/4;i++) ((u32 *)buf)[i] = r4l();
^1da177e4c3f41 Linus Torvalds 2005-04-16 190 w2(0);
^1da177e4c3f41 Linus Torvalds 2005-04-16 191 WR(4,8);
^1da177e4c3f41 Linus Torvalds 2005-04-16 192 break;
^1da177e4c3f41 Linus Torvalds 2005-04-16 193
^1da177e4c3f41 Linus Torvalds 2005-04-16 194 }
^1da177e4c3f41 Linus Torvalds 2005-04-16 195 }
^1da177e4c3f41 Linus Torvalds 2005-04-16 196
:::::: The code at line 182 was first introduced by commit
:::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2
:::::: TO: Linus Torvalds <torvalds@...970.osdl.org>
:::::: CC: Linus Torvalds <torvalds@...970.osdl.org>
--
0-DAY CI Kernel Test Service
https://01.org/lkp
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