Re: [PATCH] staging: greybus: audio_manager: make envp[] static const
From: kernel test robot
Date: Mon Nov 24 2025 - 04:16:15 EST
Hi Sameeksha,
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/Sameeksha-Sankpal/staging-greybus-audio_manager-make-envp-static-const/20251122-163906
base: staging/staging-testing
patch link: https://lore.kernel.org/r/20251122083814.49753-1-sameekshasankpal%40gmail.com
patch subject: [PATCH] staging: greybus: audio_manager: make envp[] static const
config: s390-allmodconfig (https://download.01.org/0day-ci/archive/20251124/202511241614.lkKJF5B6-lkp@xxxxxxxxx/config)
compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251124/202511241614.lkKJF5B6-lkp@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202511241614.lkKJF5B6-lkp@xxxxxxxxx/
All errors (new ones prefixed by >>):
>> drivers/staging/greybus/audio_manager_module.c:163:3: error: initializer element is not a compile-time constant
163 | name_string,
| ^~~~~~~~~~~
>> drivers/staging/greybus/audio_manager_module.c:181:46: error: passing 'const char *const[7]' to parameter of type 'char **' discards qualifiers in nested pointer types [-Werror,-Wincompatible-pointer-types-discards-qualifiers]
181 | kobject_uevent_env(&module->kobj, KOBJ_ADD, envp);
| ^~~~
include/linux/kobject.h:216:10: note: passing argument to parameter 'envp' here
216 | char *envp[]);
| ^
2 errors generated.
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
c78cfcfa51fa58 Sameeksha Sankpal 2025-11-22 162 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
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