From: kernel test robot <lkp@intel.com>
To: kbuild@lists.01.org
Subject: Re: [PATCH 3/4] media: i2c: imx219: Enable variable XCLK
Date: Wed, 13 Apr 2022 10:52:55 +0800 [thread overview]
Message-ID: <202204131055.oqAU9K1D-lkp@intel.com> (raw)
[-- Attachment #1: Type: text/plain, Size: 21197 bytes --]
CC: llvm(a)lists.linux.dev
CC: kbuild-all(a)lists.01.org
BCC: lkp(a)intel.com
In-Reply-To: <20220412135534.2796158-4-aford173@gmail.com>
References: <20220412135534.2796158-4-aford173@gmail.com>
TO: Adam Ford <aford173@gmail.com>
TO: linux-media(a)vger.kernel.org
CC: prabhakar.mahadev-lad.rj(a)bp.renesas.com
CC: tharvey(a)gateworks.com
CC: cstevens(a)beaconembedded.com
CC: aford(a)beaconembedded.com
CC: laurent.pinchart(a)ideasonboard.com
CC: Adam Ford <aford173@gmail.com>
CC: Dave Stevenson <dave.stevenson@raspberrypi.com>
CC: Mauro Carvalho Chehab <mchehab@kernel.org>
CC: linux-kernel(a)vger.kernel.org
Hi Adam,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on media-tree/master]
[also build test WARNING on v5.18-rc2 next-20220412]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]
url: https://github.com/intel-lab-lkp/linux/commits/Adam-Ford/media-i2c-imx219-Enable-variable-xclk-and-4-lane/20220412-215748
base: git://linuxtv.org/media_tree.git master
:::::: branch date: 13 hours ago
:::::: commit date: 13 hours ago
config: x86_64-randconfig-c007-20220411 (https://download.01.org/0day-ci/archive/20220413/202204131055.oqAU9K1D-lkp(a)intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project fe2478d44e4f7f191c43fef629ac7a23d0251e72)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://github.com/intel-lab-lkp/linux/commit/7e77bfbf6a383bd37e05915762cb9263ecf88f55
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Adam-Ford/media-i2c-imx219-Enable-variable-xclk-and-4-lane/20220412-215748
git checkout 7e77bfbf6a383bd37e05915762cb9263ecf88f55
# save the config file to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 clang-analyzer
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
clang-analyzer warnings: (new ones prefixed by >>)
include/linux/minmax.h:28:26: note: expanded from macro '__cmp'
#define __cmp(x, y, op) ((x) op (y) ? (x) : (y))
^
drivers/hwmon/lm75.h:27:14: note: '__UNIQUE_ID___x242' is < '__UNIQUE_ID___y243'
int ntemp = clamp_val(temp, LM75_TEMP_MIN, LM75_TEMP_MAX);
^
include/linux/minmax.h:137:32: note: expanded from macro 'clamp_val'
#define clamp_val(val, lo, hi) clamp_t(typeof(val), val, lo, hi)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/minmax.h:124:36: note: expanded from macro 'clamp_t'
#define clamp_t(type, val, lo, hi) min_t(type, max_t(type, val, lo), hi)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/minmax.h:104:27: note: expanded from macro 'min_t'
#define min_t(type, x, y) __careful_cmp((type)(x), (type)(y), <)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/minmax.h:38:3: note: expanded from macro '__careful_cmp'
__cmp_once(x, y, __UNIQUE_ID(__x), __UNIQUE_ID(__y), op))
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/minmax.h:33:3: note: expanded from macro '__cmp_once'
__cmp(unique_x, unique_y, op); })
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/minmax.h:28:26: note: expanded from macro '__cmp'
#define __cmp(x, y, op) ((x) op (y) ? (x) : (y))
^~~
drivers/hwmon/lm75.h:27:14: note: '?' condition is true
int ntemp = clamp_val(temp, LM75_TEMP_MIN, LM75_TEMP_MAX);
^
include/linux/minmax.h:137:32: note: expanded from macro 'clamp_val'
#define clamp_val(val, lo, hi) clamp_t(typeof(val), val, lo, hi)
^
include/linux/minmax.h:124:36: note: expanded from macro 'clamp_t'
#define clamp_t(type, val, lo, hi) min_t(type, max_t(type, val, lo), hi)
^
include/linux/minmax.h:104:27: note: expanded from macro 'min_t'
#define min_t(type, x, y) __careful_cmp((type)(x), (type)(y), <)
^
include/linux/minmax.h:38:3: note: expanded from macro '__careful_cmp'
__cmp_once(x, y, __UNIQUE_ID(__x), __UNIQUE_ID(__y), op))
^
include/linux/minmax.h:33:3: note: expanded from macro '__cmp_once'
__cmp(unique_x, unique_y, op); })
^
include/linux/minmax.h:28:26: note: expanded from macro '__cmp'
#define __cmp(x, y, op) ((x) op (y) ? (x) : (y))
^
drivers/hwmon/lm75.h:29:12: note: 'ntemp' is < 0
ntemp += (ntemp < 0 ? -250 : 250);
^~~~~
drivers/hwmon/lm75.h:29:12: note: '?' condition is true
drivers/hwmon/lm75.h:30:29: note: The result of the left shift is undefined because the left operand is negative
return (u16)((ntemp / 500) << 7);
~~~~~~~~~~~~~ ^
Suppressed 42 warnings (41 in non-user code, 1 with check filters).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
23 warnings generated.
drivers/hwmon/ltc2947-core.c:295:2: warning: Call to function 'memset' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'memset_s' in case of C11 [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling]
memset(alarms, 0, sizeof(alarms));
^
include/linux/fortify-string.h:272:25: note: expanded from macro 'memset'
#define memset(p, c, s) __fortify_memset_chk(p, c, s, \
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/fortify-string.h:265:2: note: expanded from macro '__fortify_memset_chk'
__underlying_memset(p, c, __fortify_size); \
^~~~~~~~~~~~~~~~~~~
include/linux/fortify-string.h:47:29: note: expanded from macro '__underlying_memset'
#define __underlying_memset __builtin_memset
^~~~~~~~~~~~~~~~
drivers/hwmon/ltc2947-core.c:295:2: note: Call to function 'memset' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'memset_s' in case of C11
memset(alarms, 0, sizeof(alarms));
^
include/linux/fortify-string.h:272:25: note: expanded from macro 'memset'
#define memset(p, c, s) __fortify_memset_chk(p, c, s, \
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/fortify-string.h:265:2: note: expanded from macro '__fortify_memset_chk'
__underlying_memset(p, c, __fortify_size); \
^~~~~~~~~~~~~~~~~~~
include/linux/fortify-string.h:47:29: note: expanded from macro '__underlying_memset'
#define __underlying_memset __builtin_memset
^~~~~~~~~~~~~~~~
drivers/hwmon/ltc2947-core.c:336:9: warning: Call to function 'sprintf' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'sprintf_s' in case of C11 [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling]
return sprintf(buf, "%lld\n", val);
^~~~~~~
drivers/hwmon/ltc2947-core.c:336:9: note: Call to function 'sprintf' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'sprintf_s' in case of C11
return sprintf(buf, "%lld\n", val);
^~~~~~~
Suppressed 21 warnings (21 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
41 warnings generated.
Suppressed 41 warnings (41 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
41 warnings generated.
Suppressed 41 warnings (41 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
41 warnings generated.
Suppressed 41 warnings (41 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
41 warnings generated.
Suppressed 41 warnings (41 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
44 warnings generated.
>> drivers/media/i2c/imx219.c:1023:2: warning: Value stored to 'ret' is never read [clang-analyzer-deadcode.DeadStores]
ret = imx219_write_reg(imx219, IMX219_REG_EXCK,
^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/media/i2c/imx219.c:1023:2: note: Value stored to 'ret' is never read
ret = imx219_write_reg(imx219, IMX219_REG_EXCK,
^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Suppressed 43 warnings (43 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
44 warnings generated.
drivers/media/i2c/imx258.c:781:3: warning: Value stored to 'ret' is never read [clang-analyzer-deadcode.DeadStores]
ret = imx258_write_reg(imx258, IMX258_REG_TEST_PATTERN,
^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/media/i2c/imx258.c:781:3: note: Value stored to 'ret' is never read
ret = imx258_write_reg(imx258, IMX258_REG_TEST_PATTERN,
^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Suppressed 43 warnings (43 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
44 warnings generated.
Suppressed 44 warnings (43 in non-user code, 1 with check filters).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
43 warnings generated.
Suppressed 43 warnings (43 in non-user code).
Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well.
59 warnings generated.
drivers/scsi/ch.c:247:2: warning: Call to function 'memset' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'memset_s' in case of C11 [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling]
memset(cmd,0,sizeof(cmd));
^
include/linux/fortify-string.h:272:25: note: expanded from macro 'memset'
#define memset(p, c, s) __fortify_memset_chk(p, c, s, \
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/fortify-string.h:265:2: note: expanded from macro '__fortify_memset_chk'
__underlying_memset(p, c, __fortify_size); \
^~~~~~~~~~~~~~~~~~~
include/linux/fortify-string.h:47:29: note: expanded from macro '__underlying_memset'
#define __underlying_memset __builtin_memset
^~~~~~~~~~~~~~~~
drivers/scsi/ch.c:247:2: note: Call to function 'memset' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'memset_s' in case of C11
memset(cmd,0,sizeof(cmd));
^
include/linux/fortify-string.h:272:25: note: expanded from macro 'memset'
#define memset(p, c, s) __fortify_memset_chk(p, c, s, \
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/fortify-string.h:265:2: note: expanded from macro '__fortify_memset_chk'
__underlying_memset(p, c, __fortify_size); \
^~~~~~~~~~~~~~~~~~~
include/linux/fortify-string.h:47:29: note: expanded from macro '__underlying_memset'
#define __underlying_memset __builtin_memset
^~~~~~~~~~~~~~~~
drivers/scsi/ch.c:264:3: warning: Call to function 'memcpy' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'memcpy_s' in case of C11 [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling]
memcpy(data,buffer+16,16);
^
include/linux/fortify-string.h:369:26: note: expanded from macro 'memcpy'
#define memcpy(p, q, s) __fortify_memcpy_chk(p, q, s, \
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/fortify-string.h:362:2: note: expanded from macro '__fortify_memcpy_chk'
__underlying_##op(p, q, __fortify_size); \
^~~~~~~~~~~~~~~~~
note: expanded from here
include/linux/fortify-string.h:45:29: note: expanded from macro '__underlying_memcpy'
#define __underlying_memcpy __builtin_memcpy
^~~~~~~~~~~~~~~~
drivers/scsi/ch.c:264:3: note: Call to function 'memcpy' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'memcpy_s' in case of C11
memcpy(data,buffer+16,16);
^
include/linux/fortify-string.h:369:26: note: expanded from macro 'memcpy'
#define memcpy(p, q, s) __fortify_memcpy_chk(p, q, s, \
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/fortify-string.h:362:2: note: expanded from macro '__fortify_memcpy_chk'
__underlying_##op(p, q, __fortify_size); \
^~~~~~~~~~~~~~~~~
note: expanded from here
include/linux/fortify-string.h:45:29: note: expanded from macro '__underlying_memcpy'
#define __underlying_memcpy __builtin_memcpy
^~~~~~~~~~~~~~~~
drivers/scsi/ch.c:284:2: warning: Call to function 'memset' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'memset_s' in case of C11 [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling]
memset(cmd,0,sizeof(cmd));
^
include/linux/fortify-string.h:272:25: note: expanded from macro 'memset'
#define memset(p, c, s) __fortify_memset_chk(p, c, s, \
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/fortify-string.h:265:2: note: expanded from macro '__fortify_memset_chk'
__underlying_memset(p, c, __fortify_size); \
^~~~~~~~~~~~~~~~~~~
include/linux/fortify-string.h:47:29: note: expanded from macro '__underlying_memset'
#define __underlying_memset __builtin_memset
^~~~~~~~~~~~~~~~
drivers/scsi/ch.c:284:2: note: Call to function 'memset' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'memset_s' in case of C11
memset(cmd,0,sizeof(cmd));
^
include/linux/fortify-string.h:272:25: note: expanded from macro 'memset'
#define memset(p, c, s) __fortify_memset_chk(p, c, s, \
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/fortify-string.h:265:2: note: expanded from macro '__fortify_memset_chk'
__underlying_memset(p, c, __fortify_size); \
^~~~~~~~~~~~~~~~~~~
include/linux/fortify-string.h:47:29: note: expanded from macro '__underlying_memset'
#define __underlying_memset __builtin_memset
^~~~~~~~~~~~~~~~
drivers/scsi/ch.c:304:2: warning: Call to function 'memset' is insecure as it does not provide security checks introduced in the C11 standard. Replace with analogous functions that support length arguments or provides boundary checks such as 'memset_s' in case of C11 [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling]
memset(cmd,0,sizeof(cmd));
^
vim +/ret +1023 drivers/media/i2c/imx219.c
72b5174b2b64255 Adam Ford 2022-04-12 1015
7e77bfbf6a383bd Adam Ford 2022-04-12 1016 static int imx219_set_exck_freq(struct imx219 *imx219)
7e77bfbf6a383bd Adam Ford 2022-04-12 1017 {
7e77bfbf6a383bd Adam Ford 2022-04-12 1018 int ret;
7e77bfbf6a383bd Adam Ford 2022-04-12 1019 /* The imx219 registers need MHz not Hz */
7e77bfbf6a383bd Adam Ford 2022-04-12 1020 u8 clk = (u8) (imx219->xclk_freq/1000000U);
7e77bfbf6a383bd Adam Ford 2022-04-12 1021
7e77bfbf6a383bd Adam Ford 2022-04-12 1022 /* Set the clock frequency in MHz */
7e77bfbf6a383bd Adam Ford 2022-04-12 @1023 ret = imx219_write_reg(imx219, IMX219_REG_EXCK,
7e77bfbf6a383bd Adam Ford 2022-04-12 1024 IMX219_REG_VALUE_08BIT, clk);
7e77bfbf6a383bd Adam Ford 2022-04-12 1025
7e77bfbf6a383bd Adam Ford 2022-04-12 1026 /* Configure the PREPLLCK_VT_DIV and PREPLLCK_OP_DIV for automatic */
7e77bfbf6a383bd Adam Ford 2022-04-12 1027 switch (clk) {
7e77bfbf6a383bd Adam Ford 2022-04-12 1028 case 6 ... 11:
7e77bfbf6a383bd Adam Ford 2022-04-12 1029 ret = imx219_write_reg(imx219, IMX219_REG_PREPLLCK_VT_DIV,
7e77bfbf6a383bd Adam Ford 2022-04-12 1030 IMX219_REG_VALUE_08BIT, 0x01);
7e77bfbf6a383bd Adam Ford 2022-04-12 1031 if (ret)
7e77bfbf6a383bd Adam Ford 2022-04-12 1032 return ret;
7e77bfbf6a383bd Adam Ford 2022-04-12 1033 ret = imx219_write_reg(imx219, IMX219_REG_PREPLLCK_OP_DIV,
7e77bfbf6a383bd Adam Ford 2022-04-12 1034 IMX219_REG_VALUE_08BIT, 0x01);
7e77bfbf6a383bd Adam Ford 2022-04-12 1035 return ret;
7e77bfbf6a383bd Adam Ford 2022-04-12 1036 case 12 ... 23:
7e77bfbf6a383bd Adam Ford 2022-04-12 1037 ret = imx219_write_reg(imx219, IMX219_REG_PREPLLCK_VT_DIV,
7e77bfbf6a383bd Adam Ford 2022-04-12 1038 IMX219_REG_VALUE_08BIT, 0x02);
7e77bfbf6a383bd Adam Ford 2022-04-12 1039 if (ret)
7e77bfbf6a383bd Adam Ford 2022-04-12 1040 return ret;
7e77bfbf6a383bd Adam Ford 2022-04-12 1041
7e77bfbf6a383bd Adam Ford 2022-04-12 1042 ret = imx219_write_reg(imx219, IMX219_REG_PREPLLCK_OP_DIV,
7e77bfbf6a383bd Adam Ford 2022-04-12 1043 IMX219_REG_VALUE_08BIT, 0x02);
7e77bfbf6a383bd Adam Ford 2022-04-12 1044
7e77bfbf6a383bd Adam Ford 2022-04-12 1045 return ret;
7e77bfbf6a383bd Adam Ford 2022-04-12 1046 case 24 ... 27:
7e77bfbf6a383bd Adam Ford 2022-04-12 1047 ret = imx219_write_reg(imx219, IMX219_REG_PREPLLCK_VT_DIV,
7e77bfbf6a383bd Adam Ford 2022-04-12 1048 IMX219_REG_VALUE_08BIT, 0x03);
7e77bfbf6a383bd Adam Ford 2022-04-12 1049 if (ret)
7e77bfbf6a383bd Adam Ford 2022-04-12 1050 return ret;
7e77bfbf6a383bd Adam Ford 2022-04-12 1051 ret = imx219_write_reg(imx219, IMX219_REG_PREPLLCK_OP_DIV,
7e77bfbf6a383bd Adam Ford 2022-04-12 1052 IMX219_REG_VALUE_08BIT, 0x03);
7e77bfbf6a383bd Adam Ford 2022-04-12 1053 return ret;
7e77bfbf6a383bd Adam Ford 2022-04-12 1054 default:
7e77bfbf6a383bd Adam Ford 2022-04-12 1055 /* Should never get here */
7e77bfbf6a383bd Adam Ford 2022-04-12 1056 return -EINVAL;
7e77bfbf6a383bd Adam Ford 2022-04-12 1057 }
7e77bfbf6a383bd Adam Ford 2022-04-12 1058 }
7e77bfbf6a383bd Adam Ford 2022-04-12 1059
--
0-DAY CI Kernel Test Service
https://01.org/lkp
next reply other threads:[~2022-04-13 2:52 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-13 2:52 kernel test robot [this message]
-- strict thread matches above, loose matches on Subject: below --
2022-04-12 13:55 [PATCH 0/4] media: i2c: imx219: Enable variable xclk and 4-lane Adam Ford
2022-04-12 13:55 ` [PATCH 3/4] media: i2c: imx219: Enable variable XCLK Adam Ford
2022-04-25 15:58 ` Dave Stevenson
2022-04-25 16:13 ` Dave Stevenson
2022-04-25 17:28 ` Adam Ford
2022-04-25 17:57 ` Dave Stevenson
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