From: kbuild test robot <lkp@intel.com>
To: Guenter Roeck <linux@roeck-us.net>
Cc: kbuild-all@lists.01.org, linux-hwmon@vger.kernel.org
Subject: [hwmon:hwmon-playground 3/12] drivers/hwmon//pmbus/pmbus_core.c:175:25: warning: array subscript 255 is above array bounds of 'const u32[8]' {aka 'const unsigned int[8]'}
Date: Sun, 2 Feb 2020 15:46:35 +0800 [thread overview]
Message-ID: <202002021528.7OS8tyuZ%lkp@intel.com> (raw)
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging.git hwmon-playground
head: 4e5fc259a7d202d7e13818052a6cdaff0f602b35
commit: 4e87220ea3c48bcb3aeadc4000acf9bcc7aa7522 [3/12] hwmon: (pmbus) Implement multi-phase support
config: arc-randconfig-a001-20200202 (attached as .config)
compiler: arc-elf-gcc (GCC) 9.2.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
git checkout 4e87220ea3c48bcb3aeadc4000acf9bcc7aa7522
# save the attached .config to linux build tree
GCC_VERSION=9.2.0 make.cross ARCH=arc
If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
drivers/hwmon//pmbus/pmbus_core.c: In function 'pmbus_clear_faults':
>> drivers/hwmon//pmbus/pmbus_core.c:175:25: warning: array subscript 255 is above array bounds of 'const u32[8]' {aka 'const unsigned int[8]'} [-Warray-bounds]
175 | !(data->info->pfunc[phase] & PMBUS_PHASE_VIRTUAL)) {
| ~~~~~~~~~~~~~~~~~^~~~~~~
drivers/hwmon//pmbus/pmbus_core.c: In function 'pmbus_read_byte_data':
>> drivers/hwmon//pmbus/pmbus_core.c:175:25: warning: array subscript 255 is above array bounds of 'const u32[8]' {aka 'const unsigned int[8]'} [-Warray-bounds]
175 | !(data->info->pfunc[phase] & PMBUS_PHASE_VIRTUAL)) {
| ~~~~~~~~~~~~~~~~~^~~~~~~
drivers/hwmon//pmbus/pmbus_core.c: In function 'pmbus_write_byte':
>> drivers/hwmon//pmbus/pmbus_core.c:175:25: warning: array subscript 255 is above array bounds of 'const u32[8]' {aka 'const unsigned int[8]'} [-Warray-bounds]
175 | !(data->info->pfunc[phase] & PMBUS_PHASE_VIRTUAL)) {
| ~~~~~~~~~~~~~~~~~^~~~~~~
drivers/hwmon//pmbus/pmbus_core.c: In function 'pmbus_write_word_data':
>> drivers/hwmon//pmbus/pmbus_core.c:175:25: warning: array subscript 255 is above array bounds of 'const u32[8]' {aka 'const unsigned int[8]'} [-Warray-bounds]
175 | !(data->info->pfunc[phase] & PMBUS_PHASE_VIRTUAL)) {
| ~~~~~~~~~~~~~~~~~^~~~~~~
drivers/hwmon//pmbus/pmbus_core.c: In function 'pmbus_write_byte_data':
>> drivers/hwmon//pmbus/pmbus_core.c:175:25: warning: array subscript 255 is above array bounds of 'const u32[8]' {aka 'const unsigned int[8]'} [-Warray-bounds]
175 | !(data->info->pfunc[phase] & PMBUS_PHASE_VIRTUAL)) {
| ~~~~~~~~~~~~~~~~~^~~~~~~
drivers/hwmon//pmbus/pmbus_core.c: In function 'pmbus_update_byte_data':
>> drivers/hwmon//pmbus/pmbus_core.c:175:25: warning: array subscript 255 is above array bounds of 'const u32[8]' {aka 'const unsigned int[8]'} [-Warray-bounds]
175 | !(data->info->pfunc[phase] & PMBUS_PHASE_VIRTUAL)) {
| ~~~~~~~~~~~~~~~~~^~~~~~~
drivers/hwmon//pmbus/pmbus_core.c: In function 'pmbus_update_fan':
>> drivers/hwmon//pmbus/pmbus_core.c:175:25: warning: array subscript 255 is above array bounds of 'const u32[8]' {aka 'const unsigned int[8]'} [-Warray-bounds]
175 | !(data->info->pfunc[phase] & PMBUS_PHASE_VIRTUAL)) {
| ~~~~~~~~~~~~~~~~~^~~~~~~
drivers/hwmon//pmbus/pmbus_core.c: In function 'pmbus_read_status_byte':
>> drivers/hwmon//pmbus/pmbus_core.c:175:25: warning: array subscript 255 is above array bounds of 'const u32[8]' {aka 'const unsigned int[8]'} [-Warray-bounds]
175 | !(data->info->pfunc[phase] & PMBUS_PHASE_VIRTUAL)) {
| ~~~~~~~~~~~~~~~~~^~~~~~~
drivers/hwmon//pmbus/pmbus_core.c: In function 'pmbus_debugfs_get':
>> drivers/hwmon//pmbus/pmbus_core.c:175:25: warning: array subscript 255 is above array bounds of 'const u32[8]' {aka 'const unsigned int[8]'} [-Warray-bounds]
175 | !(data->info->pfunc[phase] & PMBUS_PHASE_VIRTUAL)) {
| ~~~~~~~~~~~~~~~~~^~~~~~~
drivers/hwmon//pmbus/pmbus_core.c: In function '_pmbus_read_byte_data':
>> drivers/hwmon//pmbus/pmbus_core.c:175:25: warning: array subscript 255 is above array bounds of 'const u32[8]' {aka 'const unsigned int[8]'} [-Warray-bounds]
175 | !(data->info->pfunc[phase] & PMBUS_PHASE_VIRTUAL)) {
| ~~~~~~~~~~~~~~~~~^~~~~~~
vim +175 drivers/hwmon//pmbus/pmbus_core.c
150
151 int pmbus_set_page(struct i2c_client *client, int page, int phase)
152 {
153 struct pmbus_data *data = i2c_get_clientdata(client);
154 int rv;
155
156 if (page < 0)
157 return 0;
158
159 if (!(data->info->func[page] & PMBUS_PAGE_VIRTUAL) &&
160 data->info->pages > 1 && page != data->currpage) {
161 rv = i2c_smbus_write_byte_data(client, PMBUS_PAGE, page);
162 if (rv < 0)
163 return rv;
164
165 rv = i2c_smbus_read_byte_data(client, PMBUS_PAGE);
166 if (rv < 0)
167 return rv;
168
169 if (rv != page)
170 return -EIO;
171 }
172 data->currpage = page;
173
174 if (data->info->phases && data->currphase != phase &&
> 175 !(data->info->pfunc[phase] & PMBUS_PHASE_VIRTUAL)) {
176 rv = i2c_smbus_write_byte_data(client, PMBUS_PHASE,
177 phase);
178 if (rv)
179 return rv;
180 }
181 data->currphase = phase;
182
183 return 0;
184 }
185 EXPORT_SYMBOL_GPL(pmbus_set_page);
186
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org Intel Corporation
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