From: kernel test robot <lkp@intel.com>
To: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org,
Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>
Subject: drivers/watchdog/ath79_wdt.c:161:37: sparse: sparse: incorrect type in argument 1 (different address spaces)
Date: Fri, 1 Dec 2023 22:11:31 +0800 [thread overview]
Message-ID: <202312012220.3eFrkDts-lkp@intel.com> (raw)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 994d5c58e50e91bb02c7be4a91d5186292a895c8
commit: e5fc436f06eef54ef512ea55a9db8eb9f2e76959 sparse: use static inline for __chk_{user,io}_ptr()
date: 3 years, 3 months ago
config: arm-randconfig-r123-20231107 (https://download.01.org/0day-ci/archive/20231201/202312012220.3eFrkDts-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 13.2.0
reproduce: (https://download.01.org/0day-ci/archive/20231201/202312012220.3eFrkDts-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 <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202312012220.3eFrkDts-lkp@intel.com/
sparse warnings: (new ones prefixed by >>)
>> drivers/watchdog/ath79_wdt.c:161:37: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __user *ptr @@ got char const * @@
drivers/watchdog/ath79_wdt.c:161:37: sparse: expected void const volatile [noderef] __user *ptr
drivers/watchdog/ath79_wdt.c:161:37: sparse: got char const *
drivers/watchdog/ath79_wdt.c:235:27: sparse: sparse: incorrect type in initializer (incompatible argument 2 (different address spaces)) @@ expected int ( *write )( ... ) @@ got int ( * )( ... ) @@
drivers/watchdog/ath79_wdt.c:235:27: sparse: expected int ( *write )( ... )
drivers/watchdog/ath79_wdt.c:235:27: sparse: got int ( * )( ... )
vim +161 drivers/watchdog/ath79_wdt.c
f8394f61c66f48 Gabor Juhos 2011-01-04 148
f8394f61c66f48 Gabor Juhos 2011-01-04 149 static ssize_t ath79_wdt_write(struct file *file, const char *data,
f8394f61c66f48 Gabor Juhos 2011-01-04 150 size_t len, loff_t *ppos)
f8394f61c66f48 Gabor Juhos 2011-01-04 151 {
f8394f61c66f48 Gabor Juhos 2011-01-04 152 if (len) {
f8394f61c66f48 Gabor Juhos 2011-01-04 153 if (!nowayout) {
f8394f61c66f48 Gabor Juhos 2011-01-04 154 size_t i;
f8394f61c66f48 Gabor Juhos 2011-01-04 155
f8394f61c66f48 Gabor Juhos 2011-01-04 156 clear_bit(WDT_FLAGS_EXPECT_CLOSE, &wdt_flags);
f8394f61c66f48 Gabor Juhos 2011-01-04 157
f8394f61c66f48 Gabor Juhos 2011-01-04 158 for (i = 0; i != len; i++) {
f8394f61c66f48 Gabor Juhos 2011-01-04 159 char c;
f8394f61c66f48 Gabor Juhos 2011-01-04 160
f8394f61c66f48 Gabor Juhos 2011-01-04 @161 if (get_user(c, data + i))
f8394f61c66f48 Gabor Juhos 2011-01-04 162 return -EFAULT;
f8394f61c66f48 Gabor Juhos 2011-01-04 163
f8394f61c66f48 Gabor Juhos 2011-01-04 164 if (c == 'V')
f8394f61c66f48 Gabor Juhos 2011-01-04 165 set_bit(WDT_FLAGS_EXPECT_CLOSE,
f8394f61c66f48 Gabor Juhos 2011-01-04 166 &wdt_flags);
f8394f61c66f48 Gabor Juhos 2011-01-04 167 }
f8394f61c66f48 Gabor Juhos 2011-01-04 168 }
f8394f61c66f48 Gabor Juhos 2011-01-04 169
f8394f61c66f48 Gabor Juhos 2011-01-04 170 ath79_wdt_keepalive();
f8394f61c66f48 Gabor Juhos 2011-01-04 171 }
f8394f61c66f48 Gabor Juhos 2011-01-04 172
f8394f61c66f48 Gabor Juhos 2011-01-04 173 return len;
f8394f61c66f48 Gabor Juhos 2011-01-04 174 }
f8394f61c66f48 Gabor Juhos 2011-01-04 175
:::::: The code at line 161 was first introduced by commit
:::::: f8394f61c66f48b1fe9d6964ddce492d7f9a4cd9 watchdog: add driver for the Atheros AR71XX/AR724X/AR913X SoCs
:::::: TO: Gabor Juhos <juhosg@openwrt.org>
:::::: CC: Wim Van Sebroeck <wim@iguana.be>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
next reply other threads:[~2023-12-01 14:13 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-12-01 14:11 kernel test robot [this message]
-- strict thread matches above, loose matches on Subject: below --
2023-12-09 11:03 drivers/watchdog/ath79_wdt.c:161:37: sparse: sparse: incorrect type in argument 1 (different address spaces) kernel test robot
2023-12-13 6:31 ` Liu, Yujie
2023-12-05 21:56 kernel test robot
2021-08-14 4:20 kernel test robot
2021-08-14 4:20 ` kernel test robot
2021-06-26 14:45 kernel test robot
2021-06-26 14:45 ` kernel test robot
2021-05-16 6:53 kernel test robot
2021-05-16 6:53 ` kernel test robot
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