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Message-ID: <202511140945.OPHTq1yc-lkp@intel.com>
Date: Fri, 14 Nov 2025 09:41:57 +0800
From: kernel test robot <lkp@...el.com>
To: Chang Junzheng <guagua210311@...com>, outreachy@...ts.linux.dev
Cc: oe-kbuild-all@...ts.linux.dev, Vaibhav Agarwal <vaibhav.sr@...il.com>,
Mark Greer <mgreer@...malcreek.com>,
Johan Hovold <johan@...nel.org>, Alex Elder <elder@...nel.org>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
greybus-dev@...ts.linaro.org, linux-staging@...ts.linux.dev,
linux-kernel@...r.kernel.org, guagua210311@...com,
Chang Junzheng <guagua210311@...look.com>
Subject: Re: [PATCH v2] staging: greybus: audio_manager_module: make envp
array static const
Hi Chang,
kernel test robot noticed the following build errors:
[auto build test ERROR on staging/staging-testing]
url: https://github.com/intel-lab-lkp/linux/commits/Chang-Junzheng/staging-greybus-audio_manager_module-make-envp-array-static-const/20251113-222509
base: staging/staging-testing
patch link: https://lore.kernel.org/r/tencent_3725607DD617A567779DEB1BEC7C3B335208%40qq.com
patch subject: [PATCH v2] staging: greybus: audio_manager_module: make envp array static const
config: arm-randconfig-001-20251114 (https://download.01.org/0day-ci/archive/20251114/202511140945.OPHTq1yc-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 15.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251114/202511140945.OPHTq1yc-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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202511140945.OPHTq1yc-lkp@intel.com/
All errors (new ones prefixed by >>):
drivers/staging/greybus/audio_manager_module.c: In function 'send_add_uevent':
>> drivers/staging/greybus/audio_manager_module.c:163:9: error: initializer element is not constant
163 | name_string,
| ^~~~~~~~~~~
drivers/staging/greybus/audio_manager_module.c:163:9: note: (near initialization for 'envp[0]')
drivers/staging/greybus/audio_manager_module.c:164:9: error: initializer element is not constant
164 | vid_string,
| ^~~~~~~~~~
drivers/staging/greybus/audio_manager_module.c:164:9: note: (near initialization for 'envp[1]')
drivers/staging/greybus/audio_manager_module.c:165:9: error: initializer element is not constant
165 | pid_string,
| ^~~~~~~~~~
drivers/staging/greybus/audio_manager_module.c:165:9: note: (near initialization for 'envp[2]')
drivers/staging/greybus/audio_manager_module.c:166:9: error: initializer element is not constant
166 | intf_id_string,
| ^~~~~~~~~~~~~~
drivers/staging/greybus/audio_manager_module.c:166:9: note: (near initialization for 'envp[3]')
drivers/staging/greybus/audio_manager_module.c:167:9: error: initializer element is not constant
167 | ip_devices_string,
| ^~~~~~~~~~~~~~~~~
drivers/staging/greybus/audio_manager_module.c:167:9: note: (near initialization for 'envp[4]')
drivers/staging/greybus/audio_manager_module.c:168:9: error: initializer element is not constant
168 | op_devices_string,
| ^~~~~~~~~~~~~~~~~
drivers/staging/greybus/audio_manager_module.c:168:9: note: (near initialization for 'envp[5]')
>> drivers/staging/greybus/audio_manager_module.c:181:53: error: passing argument 3 of 'kobject_uevent_env' from incompatible pointer type [-Wincompatible-pointer-types]
181 | kobject_uevent_env(&module->kobj, KOBJ_ADD, envp);
| ^~~~
| |
| const char * const*
In file included from drivers/staging/greybus/audio_manager.h:11,
from drivers/staging/greybus/audio_manager_module.c:10:
include/linux/kobject.h:216:31: note: expected 'char **' but argument is of type 'const char * const*'
216 | char *envp[]);
| ~~~~~~^~~~~~
vim +163 drivers/staging/greybus/audio_manager_module.c
8db00736d365b7 Svetlin Ankov 2016-01-13 152
8db00736d365b7 Svetlin Ankov 2016-01-13 153 static void send_add_uevent(struct gb_audio_manager_module *module)
8db00736d365b7 Svetlin Ankov 2016-01-13 154 {
8db00736d365b7 Svetlin Ankov 2016-01-13 155 char name_string[128];
8db00736d365b7 Svetlin Ankov 2016-01-13 156 char vid_string[64];
8db00736d365b7 Svetlin Ankov 2016-01-13 157 char pid_string[64];
d0af1bd5f6f449 Pankaj Bharadiya 2016-10-16 158 char intf_id_string[64];
a9234bfd6cec44 Vaibhav Agarwal 2016-03-30 159 char ip_devices_string[64];
a9234bfd6cec44 Vaibhav Agarwal 2016-03-30 160 char op_devices_string[64];
8db00736d365b7 Svetlin Ankov 2016-01-13 161
9af5fbe96477a4 Chang Junzheng 2025-11-13 162 static const char * const envp[] = {
8db00736d365b7 Svetlin Ankov 2016-01-13 @163 name_string,
8db00736d365b7 Svetlin Ankov 2016-01-13 164 vid_string,
8db00736d365b7 Svetlin Ankov 2016-01-13 165 pid_string,
d0af1bd5f6f449 Pankaj Bharadiya 2016-10-16 166 intf_id_string,
a9234bfd6cec44 Vaibhav Agarwal 2016-03-30 167 ip_devices_string,
a9234bfd6cec44 Vaibhav Agarwal 2016-03-30 168 op_devices_string,
8db00736d365b7 Svetlin Ankov 2016-01-13 169 NULL
8db00736d365b7 Svetlin Ankov 2016-01-13 170 };
8db00736d365b7 Svetlin Ankov 2016-01-13 171
8db00736d365b7 Svetlin Ankov 2016-01-13 172 snprintf(name_string, 128, "NAME=%s", module->desc.name);
8db00736d365b7 Svetlin Ankov 2016-01-13 173 snprintf(vid_string, 64, "VID=%d", module->desc.vid);
8db00736d365b7 Svetlin Ankov 2016-01-13 174 snprintf(pid_string, 64, "PID=%d", module->desc.pid);
d0af1bd5f6f449 Pankaj Bharadiya 2016-10-16 175 snprintf(intf_id_string, 64, "INTF_ID=%d", module->desc.intf_id);
a9234bfd6cec44 Vaibhav Agarwal 2016-03-30 176 snprintf(ip_devices_string, 64, "I/P DEVICES=0x%X",
a9234bfd6cec44 Vaibhav Agarwal 2016-03-30 177 module->desc.ip_devices);
a9234bfd6cec44 Vaibhav Agarwal 2016-03-30 178 snprintf(op_devices_string, 64, "O/P DEVICES=0x%X",
a9234bfd6cec44 Vaibhav Agarwal 2016-03-30 179 module->desc.op_devices);
8db00736d365b7 Svetlin Ankov 2016-01-13 180
8db00736d365b7 Svetlin Ankov 2016-01-13 @181 kobject_uevent_env(&module->kobj, KOBJ_ADD, envp);
8db00736d365b7 Svetlin Ankov 2016-01-13 182 }
8db00736d365b7 Svetlin Ankov 2016-01-13 183
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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