* [pdx86-platform-drivers-x86:review-hans 64/64] drivers/i3c/master/i3c-master-cdns.c:1196:23: warning: Division by zero [clang-analyzer-core.DivideZero]
@ 2022-05-20 19:22 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2022-05-20 19:22 UTC (permalink / raw)
To: kbuild
[-- Attachment #1: Type: text/plain, Size: 55332 bytes --]
CC: llvm(a)lists.linux.dev
CC: kbuild-all(a)lists.01.org
BCC: lkp(a)intel.com
CC: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
CC: Hans de Goede <hdegoede@redhat.com>
CC: linux-kernel(a)vger.kernel.org
TO: Hans de Goede <hdegoede@redhat.com>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86.git review-hans
head: 472caae1b0c5066c2cefc8eed40c6464972409cd
commit: 472caae1b0c5066c2cefc8eed40c6464972409cd [64/64] platform/x86: Drop the PMC_ATOM Kconfig option
:::::: branch date: 25 hours ago
:::::: commit date: 25 hours ago
config: i386-randconfig-c001 (https://download.01.org/0day-ci/archive/20220521/202205210313.wgYnWV6v-lkp(a)intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project e00cbbec06c08dc616a0d52a20f678b8fbd4e304)
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://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86.git/commit/?id=472caae1b0c5066c2cefc8eed40c6464972409cd
git remote add pdx86-platform-drivers-x86 https://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86.git
git fetch --no-tags pdx86-platform-drivers-x86 review-hans
git checkout 472caae1b0c5066c2cefc8eed40c6464972409cd
# save the config file
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=i386 clang-analyzer
If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>
clang-analyzer warnings: (new ones prefixed by >>)
^~~~~~~~
drivers/target/target_core_stat.c:1116:8: warning: Call to function 'snprintf' 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 'snprintf_s' in case of C11 [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling]
ret = snprintf(page, PAGE_SIZE, "%u\n", (u32)(((u32)deve->creation_time -
^~~~~~~~
drivers/target/target_core_stat.c:1116:8: note: Call to function 'snprintf' 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 'snprintf_s' in case of C11
ret = snprintf(page, PAGE_SIZE, "%u\n", (u32)(((u32)deve->creation_time -
^~~~~~~~
drivers/target/target_core_stat.c:1137:8: warning: Call to function 'snprintf' 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 'snprintf_s' in case of C11 [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling]
ret = snprintf(page, PAGE_SIZE, "Ready\n");
^~~~~~~~
drivers/target/target_core_stat.c:1137:8: note: Call to function 'snprintf' 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 'snprintf_s' in case of C11
ret = snprintf(page, PAGE_SIZE, "Ready\n");
^~~~~~~~
drivers/target/target_core_stat.c:1208:8: warning: Call to function 'snprintf' 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 'snprintf_s' in case of C11 [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling]
ret = snprintf(page, PAGE_SIZE, "%u\n",
^~~~~~~~
drivers/target/target_core_stat.c:1208:8: note: Call to function 'snprintf' 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 'snprintf_s' in case of C11
ret = snprintf(page, PAGE_SIZE, "%u\n",
^~~~~~~~
drivers/target/target_core_stat.c:1231:8: warning: Call to function 'snprintf' 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 'snprintf_s' in case of C11 [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling]
ret = snprintf(page, PAGE_SIZE, "%u\n", lun->lun_index);
^~~~~~~~
drivers/target/target_core_stat.c:1231:8: note: Call to function 'snprintf' 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 'snprintf_s' in case of C11
ret = snprintf(page, PAGE_SIZE, "%u\n", lun->lun_index);
^~~~~~~~
drivers/target/target_core_stat.c:1253:8: warning: Call to function 'snprintf' 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 'snprintf_s' in case of C11 [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling]
ret = snprintf(page, PAGE_SIZE, "%u\n", tpg->se_tpg_tfo->tpg_get_tag(tpg));
^~~~~~~~
drivers/target/target_core_stat.c:1253:8: note: Call to function 'snprintf' 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 'snprintf_s' in case of C11
ret = snprintf(page, PAGE_SIZE, "%u\n", tpg->se_tpg_tfo->tpg_get_tag(tpg));
^~~~~~~~
drivers/target/target_core_stat.c:1276:8: warning: Call to function 'snprintf' 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 'snprintf_s' in case of C11 [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling]
ret = snprintf(page, PAGE_SIZE, "%u\n",
^~~~~~~~
drivers/target/target_core_stat.c:1276:8: note: Call to function 'snprintf' 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 'snprintf_s' in case of C11
ret = snprintf(page, PAGE_SIZE, "%u\n",
^~~~~~~~
drivers/target/target_core_stat.c:1297:8: warning: Call to function 'snprintf' 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 'snprintf_s' in case of C11 [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling]
ret = snprintf(page, PAGE_SIZE, "%u\n", nacl->acl_index);
^~~~~~~~
drivers/target/target_core_stat.c:1297:8: note: Call to function 'snprintf' 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 'snprintf_s' in case of C11
ret = snprintf(page, PAGE_SIZE, "%u\n", nacl->acl_index);
^~~~~~~~
drivers/target/target_core_stat.c:1321:2: 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(buf, 0, 64);
^
arch/x86/include/asm/string_32.h:195:29: note: expanded from macro 'memset'
#define memset(s, c, count) __builtin_memset(s, c, count)
^~~~~~~~~~~~~~~~
drivers/target/target_core_stat.c:1321:2: 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(buf, 0, 64);
^
arch/x86/include/asm/string_32.h:195:29: note: expanded from macro 'memset'
#define memset(s, c, count) __builtin_memset(s, c, count)
^~~~~~~~~~~~~~~~
drivers/target/target_core_stat.c:1325:8: warning: Call to function 'snprintf' 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 'snprintf_s' in case of C11 [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling]
ret = snprintf(page, PAGE_SIZE, "%s+i+%s\n", nacl->initiatorname, buf);
^~~~~~~~
drivers/target/target_core_stat.c:1325:8: note: Call to function 'snprintf' 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 'snprintf_s' in case of C11
ret = snprintf(page, PAGE_SIZE, "%s+i+%s\n", nacl->initiatorname, buf);
^~~~~~~~
Suppressed 33 warnings (33 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.
48 warnings generated.
drivers/i3c/master/i3c-master-cdns.c:434:3: 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(&tmp, bytes + (nbytes & ~3), nbytes & 3);
^
arch/x86/include/asm/string_32.h:150:25: note: expanded from macro 'memcpy'
#define memcpy(t, f, n) __builtin_memcpy(t, f, n)
^~~~~~~~~~~~~~~~
drivers/i3c/master/i3c-master-cdns.c:434:3: 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(&tmp, bytes + (nbytes & ~3), nbytes & 3);
^
arch/x86/include/asm/string_32.h:150:25: note: expanded from macro 'memcpy'
#define memcpy(t, f, n) __builtin_memcpy(t, f, n)
^~~~~~~~~~~~~~~~
drivers/i3c/master/i3c-master-cdns.c:447:3: 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(bytes + (nbytes & ~3), &tmp, nbytes & 3);
^
arch/x86/include/asm/string_32.h:150:25: note: expanded from macro 'memcpy'
#define memcpy(t, f, n) __builtin_memcpy(t, f, n)
^~~~~~~~~~~~~~~~
drivers/i3c/master/i3c-master-cdns.c:447:3: 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(bytes + (nbytes & ~3), &tmp, nbytes & 3);
^
arch/x86/include/asm/string_32.h:150:25: note: expanded from macro 'memcpy'
#define memcpy(t, f, n) __builtin_memcpy(t, f, n)
^~~~~~~~~~~~~~~~
drivers/i3c/master/i3c-master-cdns.c:1052:2: 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(info, 0, sizeof(*info));
^
arch/x86/include/asm/string_32.h:195:29: note: expanded from macro 'memset'
#define memset(s, c, count) __builtin_memset(s, c, count)
^~~~~~~~~~~~~~~~
drivers/i3c/master/i3c-master-cdns.c:1052:2: 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(info, 0, sizeof(*info));
^
arch/x86/include/asm/string_32.h:195:29: note: expanded from macro 'memset'
#define memset(s, c, count) __builtin_memset(s, c, count)
^~~~~~~~~~~~~~~~
>> drivers/i3c/master/i3c-master-cdns.c:1196:23: warning: Division by zero [clang-analyzer-core.DivideZero]
(NSEC_PER_SEC / sysclk_rate));
^
include/linux/math.h:37:22: note: expanded from macro 'DIV_ROUND_UP'
#define DIV_ROUND_UP __KERNEL_DIV_ROUND_UP
^
include/uapi/linux/const.h:34:46: note: expanded from macro '__KERNEL_DIV_ROUND_UP'
#define __KERNEL_DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d))
^
drivers/i3c/master/i3c-master-cdns.c:1194:30: note: Calling 'clk_get_rate'
unsigned long sysclk_rate = clk_get_rate(master->sysclk);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/clk.h:882:2: note: Returning zero
return 0;
^~~~~~~~
drivers/i3c/master/i3c-master-cdns.c:1194:30: note: Returning from 'clk_get_rate'
unsigned long sysclk_rate = clk_get_rate(master->sysclk);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/i3c/master/i3c-master-cdns.c:1194:2: note: 'sysclk_rate' initialized to 0
unsigned long sysclk_rate = clk_get_rate(master->sysclk);
^~~~~~~~~~~~~~~~~~~~~~~~~
drivers/i3c/master/i3c-master-cdns.c:1196:23: note: Division by zero
(NSEC_PER_SEC / sysclk_rate));
^
include/linux/math.h:37:22: note: expanded from macro 'DIV_ROUND_UP'
#define DIV_ROUND_UP __KERNEL_DIV_ROUND_UP
^
include/uapi/linux/const.h:34:46: note: expanded from macro '__KERNEL_DIV_ROUND_UP'
#define __KERNEL_DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d))
^
drivers/i3c/master/i3c-master-cdns.c:1245:2: warning: Value stored to 'prescl1' is never read [clang-analyzer-deadcode.DeadStores]
prescl1 = PRESCL_CTRL1_OD_LOW(low);
^
drivers/i3c/master/i3c-master-cdns.c:1245:2: note: Value stored to 'prescl1' is never read
drivers/i3c/master/i3c-master-cdns.c:1338:3: 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(buf + (nbytes & ~3), &tmp, nbytes & 3);
^
arch/x86/include/asm/string_32.h:150:25: note: expanded from macro 'memcpy'
#define memcpy(t, f, n) __builtin_memcpy(t, f, n)
^~~~~~~~~~~~~~~~
drivers/i3c/master/i3c-master-cdns.c:1338:3: 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(buf + (nbytes & ~3), &tmp, nbytes & 3);
^
arch/x86/include/asm/string_32.h:150:25: note: expanded from macro 'memcpy'
#define memcpy(t, f, n) __builtin_memcpy(t, f, n)
^~~~~~~~~~~~~~~~
Suppressed 42 warnings (42 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.
35 warnings generated.
sound/drivers/opl3/opl3_synth.c:94:4: 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(&info, 0, sizeof(info));
^
arch/x86/include/asm/string_32.h:195:29: note: expanded from macro 'memset'
#define memset(s, c, count) __builtin_memset(s, c, count)
^~~~~~~~~~~~~~~~
sound/drivers/opl3/opl3_synth.c:94:4: 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(&info, 0, sizeof(info));
^
arch/x86/include/asm/string_32.h:195:29: note: expanded from macro 'memset'
#define memset(s, c, count) __builtin_memset(s, c, count)
^~~~~~~~~~~~~~~~
sound/drivers/opl3/opl3_synth.c:342:2: 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(opl3->patch_table, 0, sizeof(opl3->patch_table));
^
arch/x86/include/asm/string_32.h:195:29: note: expanded from macro 'memset'
#define memset(s, c, count) __builtin_memset(s, c, count)
^~~~~~~~~~~~~~~~
sound/drivers/opl3/opl3_synth.c:342:2: 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(opl3->patch_table, 0, sizeof(opl3->patch_table));
^
arch/x86/include/asm/string_32.h:195:29: note: expanded from macro 'memset'
#define memset(s, c, count) __builtin_memset(s, c, count)
^~~~~~~~~~~~~~~~
Suppressed 33 warnings (33 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.
116 warnings generated.
net/mptcp/protocol.c:1341:2: 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(mpext, 0, sizeof(*mpext));
^
arch/x86/include/asm/string_32.h:195:29: note: expanded from macro 'memset'
#define memset(s, c, count) __builtin_memset(s, c, count)
^~~~~~~~~~~~~~~~
net/mptcp/protocol.c:1341:2: 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(mpext, 0, sizeof(*mpext));
^
arch/x86/include/asm/string_32.h:195:29: note: expanded from macro 'memset'
#define memset(s, c, count) __builtin_memset(s, c, count)
^~~~~~~~~~~~~~~~
net/mptcp/protocol.c:2558:2: warning: Call to function 'strcpy' is insecure as it does not provide bounding of the memory buffer. Replace unbounded copy functions with analogous functions that support length arguments such as 'strlcpy'. CWE-119 [clang-analyzer-security.insecureAPI.strcpy]
strcpy(mptcp_sk(sk)->ca_name, icsk->icsk_ca_ops->name);
^~~~~~
net/mptcp/protocol.c:2558:2: note: Call to function 'strcpy' is insecure as it does not provide bounding of the memory buffer. Replace unbounded copy functions with analogous functions that support length arguments such as 'strlcpy'. CWE-119
strcpy(mptcp_sk(sk)->ca_name, icsk->icsk_ca_ops->name);
^~~~~~
Suppressed 114 warnings (114 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.
69 warnings generated.
Suppressed 69 warnings (69 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.
128 warnings generated.
net/decnet/af_decnet.c:294:3: 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]
--
^~~~~~~~~~~~~~~~
drivers/media/mc/mc-device.c:195:2: 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(links->reserved, 0, sizeof(links->reserved));
^
arch/x86/include/asm/string_32.h:195:29: note: expanded from macro 'memset'
#define memset(s, c, count) __builtin_memset(s, c, count)
^~~~~~~~~~~~~~~~
drivers/media/mc/mc-device.c:224:2: 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(linkd->reserved, 0, sizeof(linkd->reserved));
^
arch/x86/include/asm/string_32.h:195:29: note: expanded from macro 'memset'
#define memset(s, c, count) __builtin_memset(s, c, count)
^~~~~~~~~~~~~~~~
drivers/media/mc/mc-device.c:224:2: 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(linkd->reserved, 0, sizeof(linkd->reserved));
^
arch/x86/include/asm/string_32.h:195:29: note: expanded from macro 'memset'
#define memset(s, c, count) __builtin_memset(s, c, count)
^~~~~~~~~~~~~~~~
drivers/media/mc/mc-device.c:260:3: 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(&kentity, 0, sizeof(kentity));
^
arch/x86/include/asm/string_32.h:195:29: note: expanded from macro 'memset'
#define memset(s, c, count) __builtin_memset(s, c, count)
^~~~~~~~~~~~~~~~
drivers/media/mc/mc-device.c:260:3: 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(&kentity, 0, sizeof(kentity));
^
arch/x86/include/asm/string_32.h:195:29: note: expanded from macro 'memset'
#define memset(s, c, count) __builtin_memset(s, c, count)
^~~~~~~~~~~~~~~~
drivers/media/mc/mc-device.c:287:3: 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(&kintf, 0, sizeof(kintf));
^
arch/x86/include/asm/string_32.h:195:29: note: expanded from macro 'memset'
#define memset(s, c, count) __builtin_memset(s, c, count)
^~~~~~~~~~~~~~~~
drivers/media/mc/mc-device.c:287:3: 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(&kintf, 0, sizeof(kintf));
^
arch/x86/include/asm/string_32.h:195:29: note: expanded from macro 'memset'
#define memset(s, c, count) __builtin_memset(s, c, count)
^~~~~~~~~~~~~~~~
drivers/media/mc/mc-device.c:323:3: 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(&kpad, 0, sizeof(kpad));
^
arch/x86/include/asm/string_32.h:195:29: note: expanded from macro 'memset'
#define memset(s, c, count) __builtin_memset(s, c, count)
^~~~~~~~~~~~~~~~
drivers/media/mc/mc-device.c:323:3: 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(&kpad, 0, sizeof(kpad));
^
arch/x86/include/asm/string_32.h:195:29: note: expanded from macro 'memset'
#define memset(s, c, count) __builtin_memset(s, c, count)
^~~~~~~~~~~~~~~~
drivers/media/mc/mc-device.c:355:3: 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(&klink, 0, sizeof(klink));
^
arch/x86/include/asm/string_32.h:195:29: note: expanded from macro 'memset'
#define memset(s, c, count) __builtin_memset(s, c, count)
^~~~~~~~~~~~~~~~
drivers/media/mc/mc-device.c:355:3: 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(&klink, 0, sizeof(klink));
^
arch/x86/include/asm/string_32.h:195:29: note: expanded from macro 'memset'
#define memset(s, c, count) __builtin_memset(s, c, count)
^~~~~~~~~~~~~~~~
drivers/media/mc/mc-device.c:565:9: 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, "%.*s\n", (int)sizeof(mdev->model), mdev->model);
^~~~~~~
drivers/media/mc/mc-device.c:565:9: 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, "%.*s\n", (int)sizeof(mdev->model), mdev->model);
^~~~~~~
drivers/media/mc/mc-device.c:865:2: warning: Call to function 'sprintf' is insecure as it does not provide bounding of the memory buffer or 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]
sprintf(mdev->bus_info, "PCI:%s", pci_name(pci_dev));
^~~~~~~
drivers/media/mc/mc-device.c:865:2: note: Call to function 'sprintf' is insecure as it does not provide bounding of the memory buffer or 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
sprintf(mdev->bus_info, "PCI:%s", pci_name(pci_dev));
^~~~~~~
Suppressed 38 warnings (38 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.
45 warnings generated.
drivers/media/i2c/s5k5baf.c:1905:2: warning: Call to function 'snprintf' 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 'snprintf_s' in case of C11 [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling]
snprintf(sd->name, sizeof(sd->name), "S5K5BAF-CIS %d-%04x",
^~~~~~~~
drivers/media/i2c/s5k5baf.c:1905:2: note: Call to function 'snprintf' 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 'snprintf_s' in case of C11
snprintf(sd->name, sizeof(sd->name), "S5K5BAF-CIS %d-%04x",
^~~~~~~~
drivers/media/i2c/s5k5baf.c:1919:2: warning: Call to function 'snprintf' 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 'snprintf_s' in case of C11 [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling]
snprintf(sd->name, sizeof(sd->name), "S5K5BAF-ISP %d-%04x",
^~~~~~~~
drivers/media/i2c/s5k5baf.c:1919:2: note: Call to function 'snprintf' 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 'snprintf_s' in case of C11
snprintf(sd->name, sizeof(sd->name), "S5K5BAF-ISP %d-%04x",
^~~~~~~~
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.
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.
42 warnings generated.
>> sound/soc/fsl/fsl_ssi.c:739:17: warning: Division by zero [clang-analyzer-core.DivideZero]
else if (freq / afreq == 1)
^
include/linux/compiler.h:56:47: note: expanded from macro 'if'
#define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
^~~~
include/linux/compiler.h:58:52: note: expanded from macro '__trace_if_var'
#define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond))
^~~~
sound/soc/fsl/fsl_ssi.c:678:17: note: Assuming field 'stream' is not equal to SNDRV_PCM_STREAM_PLAYBACK
bool tx2, tx = substream->stream == SNDRV_PCM_STREAM_PLAYBACK;
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
sound/soc/fsl/fsl_ssi.c:692:2: note: Assuming field 'slots' is 0
if (ssi->slots)
^
include/linux/compiler.h:56:45: note: expanded from macro 'if'
#define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler.h:58:52: note: expanded from macro '__trace_if_var'
#define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond))
^~~~
sound/soc/fsl/fsl_ssi.c:692:2: note: '?' condition is false
if (ssi->slots)
^
include/linux/compiler.h:56:28: note: expanded from macro 'if'
#define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
^
include/linux/compiler.h:58:31: note: expanded from macro '__trace_if_var'
#define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond))
^
sound/soc/fsl/fsl_ssi.c:692:11: note: Field 'slots' is 0
if (ssi->slots)
^
sound/soc/fsl/fsl_ssi.c:692:2: note: '?' condition is false
if (ssi->slots)
^
include/linux/compiler.h:56:28: note: expanded from macro 'if'
#define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
^
include/linux/compiler.h:58:69: note: expanded from macro '__trace_if_var'
#define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond))
^
include/linux/compiler.h:69:2: note: expanded from macro '__trace_if_value'
(cond) ? \
^
sound/soc/fsl/fsl_ssi.c:692:2: note: Taking false branch
if (ssi->slots)
^
include/linux/compiler.h:56:23: note: expanded from macro 'if'
#define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
^
sound/soc/fsl/fsl_ssi.c:694:2: note: Assuming field 'slot_width' is 0
if (ssi->slot_width)
^
include/linux/compiler.h:56:45: note: expanded from macro 'if'
#define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler.h:58:52: note: expanded from macro '__trace_if_var'
#define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond))
^~~~
sound/soc/fsl/fsl_ssi.c:694:2: note: '?' condition is false
if (ssi->slot_width)
^
include/linux/compiler.h:56:28: note: expanded from macro 'if'
#define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
^
include/linux/compiler.h:58:31: note: expanded from macro '__trace_if_var'
#define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond))
^
sound/soc/fsl/fsl_ssi.c:694:11: note: Field 'slot_width' is 0
if (ssi->slot_width)
^
sound/soc/fsl/fsl_ssi.c:694:2: note: '?' condition is false
if (ssi->slot_width)
^
include/linux/compiler.h:56:28: note: expanded from macro 'if'
#define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
^
include/linux/compiler.h:58:69: note: expanded from macro '__trace_if_var'
#define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond))
^
include/linux/compiler.h:69:2: note: expanded from macro '__trace_if_value'
(cond) ? \
^
sound/soc/fsl/fsl_ssi.c:694:2: note: Taking false branch
if (ssi->slot_width)
^
include/linux/compiler.h:56:23: note: expanded from macro 'if'
#define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
^
sound/soc/fsl/fsl_ssi.c:698:6: note: Assuming 'channels' is not equal to 2
if (channels == 2 &&
^
include/linux/compiler.h:56:47: note: expanded from macro 'if'
#define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
^~~~
include/linux/compiler.h:58:52: note: expanded from macro '__trace_if_var'
#define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond))
^~~~
sound/soc/fsl/fsl_ssi.c:698:20: note: Left side of '&&' is false
if (channels == 2 &&
--
^~~~
drivers/md/dm-table.c:358:6: note: Call to function 'sscanf' 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 'sscanf_s' in case of C11
if (sscanf(path, "%u:%u%c", &major, &minor, &dummy) == 2) {
^
include/linux/compiler.h:56:47: note: expanded from macro 'if'
#define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
^~~~
include/linux/compiler.h:58:52: note: expanded from macro '__trace_if_var'
#define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond))
^~~~
drivers/md/dm-table.c:489:3: 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(argv, old_argv, *size * sizeof(*argv));
^
arch/x86/include/asm/string_32.h:150:25: note: expanded from macro 'memcpy'
#define memcpy(t, f, n) __builtin_memcpy(t, f, n)
^~~~~~~~~~~~~~~~
drivers/md/dm-table.c:489:3: 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(argv, old_argv, *size * sizeof(*argv));
^
arch/x86/include/asm/string_32.h:150:25: note: expanded from macro 'memcpy'
#define memcpy(t, f, n) __builtin_memcpy(t, f, n)
^~~~~~~~~~~~~~~~
drivers/md/dm-table.c:650:2: 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(tgt, 0, sizeof(*tgt));
^
arch/x86/include/asm/string_32.h:195:29: note: expanded from macro 'memset'
#define memset(s, c, count) __builtin_memset(s, c, count)
^~~~~~~~~~~~~~~~
drivers/md/dm-table.c:650:2: 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(tgt, 0, sizeof(*tgt));
^
arch/x86/include/asm/string_32.h:195:29: note: expanded from macro 'memset'
#define memset(s, c, count) __builtin_memset(s, c, count)
^~~~~~~~~~~~~~~~
drivers/md/dm-table.c:741:7: warning: Call to function 'sscanf' 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 'sscanf_s' in case of C11 [clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling]
(sscanf(arg_str, "%u%c", value, &dummy) != 1) ||
^
include/linux/compiler.h:56:47: note: expanded from macro 'if'
#define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
^~~~
include/linux/compiler.h:58:52: note: expanded from macro '__trace_if_var'
#define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond))
^~~~
drivers/md/dm-table.c:741:7: note: Call to function 'sscanf' 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 'sscanf_s' in case of C11
(sscanf(arg_str, "%u%c", value, &dummy) != 1) ||
^
include/linux/compiler.h:56:47: note: expanded from macro 'if'
#define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
^~~~
include/linux/compiler.h:58:52: note: expanded from macro '__trace_if_var'
#define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond))
^~~~
drivers/md/dm-table.c:1296:2: 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(profile->modes_supported, 0xFF,
^
arch/x86/include/asm/string_32.h:195:29: note: expanded from macro 'memset'
#define memset(s, c, count) __builtin_memset(s, c, count)
^~~~~~~~~~~~~~~~
drivers/md/dm-table.c:1296:2: 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(profile->modes_supported, 0xFF,
^
arch/x86/include/asm/string_32.h:195:29: note: expanded from macro 'memset'
#define memset(s, c, count) __builtin_memset(s, c, count)
^~~~~~~~~~~~~~~~
drivers/md/dm-table.c:1596:3: warning: Value stored to 'ti' is never read [clang-analyzer-deadcode.DeadStores]
ti = dm_table_get_target(t, i);
^ ~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/md/dm-table.c:1596:3: note: Value stored to 'ti' is never read
ti = dm_table_get_target(t, i);
^ ~~~~~~~~~~~~~~~~~~~~~~~~~
Suppressed 44 warnings (44 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.
33 warnings generated.
Suppressed 33 warnings (33 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.
sound/soc/fsl/fsl_spdif.c:813:3: 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(&ucontrol->value.iec958.subcode[0],
^
arch/x86/include/asm/string_32.h:150:25: note: expanded from macro 'memcpy'
#define memcpy(t, f, n) __builtin_memcpy(t, f, n)
^~~~~~~~~~~~~~~~
sound/soc/fsl/fsl_spdif.c:813:3: 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(&ucontrol->value.iec958.subcode[0],
^
arch/x86/include/asm/string_32.h:150:25: note: expanded from macro 'memcpy'
#define memcpy(t, f, n) __builtin_memcpy(t, f, n)
^~~~~~~~~~~~~~~~
sound/soc/fsl/fsl_spdif.c:845:3: 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(&ucontrol->value.bytes.data[0],
^
arch/x86/include/asm/string_32.h:150:25: note: expanded from macro 'memcpy'
#define memcpy(t, f, n) __builtin_memcpy(t, f, n)
^~~~~~~~~~~~~~~~
sound/soc/fsl/fsl_spdif.c:845:3: 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(&ucontrol->value.bytes.data[0],
^
arch/x86/include/asm/string_32.h:150:25: note: expanded from macro 'memcpy'
#define memcpy(t, f, n) __builtin_memcpy(t, f, n)
^~~~~~~~~~~~~~~~
>> sound/soc/fsl/fsl_spdif.c:1404:27: warning: Division by zero [clang-analyzer-core.DivideZero]
} else if (rate[index] / arate == 1) {
^
include/linux/compiler.h:56:47: note: expanded from macro 'if'
#define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
^~~~
include/linux/compiler.h:58:52: note: expanded from macro '__trace_if_var'
#define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond))
^~~~
sound/soc/fsl/fsl_spdif.c:1373:17: note: 'is_sysclk' is false
sysclk_dfmin = is_sysclk ? 2 : 1;
^~~~~~~~~
sound/soc/fsl/fsl_spdif.c:1373:17: note: '?' condition is false
sound/soc/fsl/fsl_spdif.c:1374:17: note: 'is_sysclk' is false
sysclk_dfmax = is_sysclk ? 512 : 1;
^~~~~~~~~
sound/soc/fsl/fsl_spdif.c:1374:17: note: '?' condition is false
sound/soc/fsl/fsl_spdif.c:1376:2: note: Loop condition is true. Entering loop body
for (sysclk_df = sysclk_dfmin; sysclk_df <= sysclk_dfmax; sysclk_df++) {
^
sound/soc/fsl/fsl_spdif.c:1377:3: note: Loop condition is true. Entering loop body
for (txclk_df = 1; txclk_df <= 128; txclk_df++) {
^
sound/soc/fsl/fsl_spdif.c:1379:4: note: Assuming 'round' is false
if (round)
^
include/linux/compiler.h:56:45: note: expanded from macro 'if'
#define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler.h:58:52: note: expanded from macro '__trace_if_var'
#define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond))
^~~~
sound/soc/fsl/fsl_spdif.c:1379:4: note: '?' condition is false
if (round)
^
include/linux/compiler.h:56:28: note: expanded from macro 'if'
#define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
^
include/linux/compiler.h:58:31: note: expanded from macro '__trace_if_var'
#define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond))
^
sound/soc/fsl/fsl_spdif.c:1379:8: note: 'round' is false
if (round)
^
include/linux/compiler.h:56:47: note: expanded from macro 'if'
#define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
^~~~
include/linux/compiler.h:58:86: note: expanded from macro '__trace_if_var'
#define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond))
^~~~
include/linux/compiler.h:69:3: note: expanded from macro '__trace_if_value'
(cond) ? \
^~~~
sound/soc/fsl/fsl_spdif.c:1379:4: note: '?' condition is false
if (round)
^
include/linux/compiler.h:56:28: note: expanded from macro 'if'
#define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
^
include/linux/compiler.h:58:69: note: expanded from macro '__trace_if_var'
#define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond))
^
include/linux/compiler.h:69:2: note: expanded from macro '__trace_if_value'
(cond) ? \
^
sound/soc/fsl/fsl_spdif.c:1379:4: note: Taking false branch
if (round)
^
include/linux/compiler.h:56:23: note: expanded from macro 'if'
#define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
^
sound/soc/fsl/fsl_spdif.c:1385:4: note: The value 0 is assigned to 'arate'
arate /= txclk_df * sysclk_df;
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
sound/soc/fsl/fsl_spdif.c:1387:4: note: '?' condition is false
if (arate == rate[index]) {
^
include/linux/compiler.h:56:28: note: expanded from macro 'if'
#define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
^
include/linux/compiler.h:58:31: note: expanded from macro '__trace_if_var'
#define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond))
^
sound/soc/fsl/fsl_spdif.c:1387:4: note: Assuming the condition is false
if (arate == rate[index]) {
^
include/linux/compiler.h:56:44: note: expanded from macro 'if'
#define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/compiler.h:58:86: note: expanded from macro '__trace_if_var'
#define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond))
~~~~~~~~~~~~~~~~~^~~~~
include/linux/compiler.h:69:3: note: expanded from macro '__trace_if_value'
(cond) ? \
^~~~
sound/soc/fsl/fsl_spdif.c:1387:4: note: '?' condition is false
if (arate == rate[index]) {
^
include/linux/compiler.h:56:28: note: expanded from macro 'if'
#define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
^
vim +1196 drivers/i3c/master/i3c-master-cdns.c
603f2bee2c5419 Boris Brezillon 2017-07-19 1191
dbd6654329fcb0 Przemyslaw Gaj 2019-11-18 1192 static u8 cdns_i3c_master_calculate_thd_delay(struct cdns_i3c_master *master)
dbd6654329fcb0 Przemyslaw Gaj 2019-11-18 1193 {
dbd6654329fcb0 Przemyslaw Gaj 2019-11-18 1194 unsigned long sysclk_rate = clk_get_rate(master->sysclk);
dbd6654329fcb0 Przemyslaw Gaj 2019-11-18 1195 u8 thd_delay = DIV_ROUND_UP(master->devdata->thd_delay_ns,
dbd6654329fcb0 Przemyslaw Gaj 2019-11-18 @1196 (NSEC_PER_SEC / sysclk_rate));
dbd6654329fcb0 Przemyslaw Gaj 2019-11-18 1197
dbd6654329fcb0 Przemyslaw Gaj 2019-11-18 1198 /* Every value greater than 3 is not valid. */
dbd6654329fcb0 Przemyslaw Gaj 2019-11-18 1199 if (thd_delay > THD_DELAY_MAX)
dbd6654329fcb0 Przemyslaw Gaj 2019-11-18 1200 thd_delay = THD_DELAY_MAX;
dbd6654329fcb0 Przemyslaw Gaj 2019-11-18 1201
dbd6654329fcb0 Przemyslaw Gaj 2019-11-18 1202 /* CTLR_THD_DEL value is encoded. */
dbd6654329fcb0 Przemyslaw Gaj 2019-11-18 1203 return (THD_DELAY_MAX - thd_delay);
dbd6654329fcb0 Przemyslaw Gaj 2019-11-18 1204 }
dbd6654329fcb0 Przemyslaw Gaj 2019-11-18 1205
:::::: The code at line 1196 was first introduced by commit
:::::: dbd6654329fcb0f5fc11d07997ddb61683c085f2 i3c: master: cdns: add data hold delay support
:::::: TO: Przemyslaw Gaj <pgaj@cadence.com>
:::::: CC: Boris Brezillon <boris.brezillon@collabora.com>
--
0-DAY CI Kernel Test Service
https://01.org/lkp
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2022-05-20 19:22 [pdx86-platform-drivers-x86:review-hans 64/64] drivers/i3c/master/i3c-master-cdns.c:1196:23: warning: Division by zero [clang-analyzer-core.DivideZero] kernel test robot
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all data and code used by this external index.