Re: [PATCH] Staging: greybus: Make string array const

[kbuild test robot]

Hi Eames,

[auto build test WARNING on staging/staging-testing]
[also build test WARNING on v4.13-rc6 next-20170822]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Eames-Trinh/Staging-greybus-Make-string-array-const/20170823-042339
config: xtensa-allmodconfig (attached as .config)
compiler: xtensa-linux-gcc (GCC) 4.9.0
reproduce:
        wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=xtensa 

All warnings (new ones prefixed by >>):

   drivers/staging//greybus/audio_manager_module.c: In function 'send_add_uevent':
>> drivers/staging//greybus/audio_manager_module.c:181:2: warning: passing argument 3 of 'kobject_uevent_env' from incompatible pointer type
     kobject_uevent_env(&module->kobj, KOBJ_ADD, envp);
     ^
   In file included from drivers/staging//greybus/audio_manager.h:12:0,
                    from drivers/staging//greybus/audio_manager_module.c:11:
   include/linux/kobject.h:218:5: note: expected 'char **' but argument is of type 'const char **'
    int kobject_uevent_env(struct kobject *kobj, enum kobject_action action,
        ^

vim +/kobject_uevent_env +181 drivers/staging//greybus/audio_manager_module.c

8db00736 Svetlin Ankov    2016-01-13  152  
8db00736 Svetlin Ankov    2016-01-13  153  static void send_add_uevent(struct gb_audio_manager_module *module)
8db00736 Svetlin Ankov    2016-01-13  154  {
8db00736 Svetlin Ankov    2016-01-13  155  	char name_string[128];
8db00736 Svetlin Ankov    2016-01-13  156  	char vid_string[64];
8db00736 Svetlin Ankov    2016-01-13  157  	char pid_string[64];
d0af1bd5 Pankaj Bharadiya 2016-10-16  158  	char intf_id_string[64];
a9234bfd Vaibhav Agarwal  2016-03-30  159  	char ip_devices_string[64];
a9234bfd Vaibhav Agarwal  2016-03-30  160  	char op_devices_string[64];
8db00736 Svetlin Ankov    2016-01-13  161  
7be2c2a6 Eames Trinh      2017-08-22  162  	const char *envp[] = {
8db00736 Svetlin Ankov    2016-01-13  163  		name_string,
8db00736 Svetlin Ankov    2016-01-13  164  		vid_string,
8db00736 Svetlin Ankov    2016-01-13  165  		pid_string,
d0af1bd5 Pankaj Bharadiya 2016-10-16  166  		intf_id_string,
a9234bfd Vaibhav Agarwal  2016-03-30  167  		ip_devices_string,
a9234bfd Vaibhav Agarwal  2016-03-30  168  		op_devices_string,
8db00736 Svetlin Ankov    2016-01-13  169  		NULL
8db00736 Svetlin Ankov    2016-01-13  170  	};
8db00736 Svetlin Ankov    2016-01-13  171  
8db00736 Svetlin Ankov    2016-01-13  172  	snprintf(name_string, 128, "NAME=%s", module->desc.name);
8db00736 Svetlin Ankov    2016-01-13  173  	snprintf(vid_string, 64, "VID=%d", module->desc.vid);
8db00736 Svetlin Ankov    2016-01-13  174  	snprintf(pid_string, 64, "PID=%d", module->desc.pid);
d0af1bd5 Pankaj Bharadiya 2016-10-16  175  	snprintf(intf_id_string, 64, "INTF_ID=%d", module->desc.intf_id);
a9234bfd Vaibhav Agarwal  2016-03-30  176  	snprintf(ip_devices_string, 64, "I/P DEVICES=0x%X",
a9234bfd Vaibhav Agarwal  2016-03-30  177  		 module->desc.ip_devices);
a9234bfd Vaibhav Agarwal  2016-03-30  178  	snprintf(op_devices_string, 64, "O/P DEVICES=0x%X",
a9234bfd Vaibhav Agarwal  2016-03-30  179  		 module->desc.op_devices);
8db00736 Svetlin Ankov    2016-01-13  180  
8db00736 Svetlin Ankov    2016-01-13 @181  	kobject_uevent_env(&module->kobj, KOBJ_ADD, envp);
8db00736 Svetlin Ankov    2016-01-13  182  }
8db00736 Svetlin Ankov    2016-01-13  183  

:::::: The code at line 181 was first introduced by commit
:::::: 8db00736d365b75d6af5dfd4a2673a1453fff4b7 greybus: audio: Add Audio Manager

:::::: TO: Svetlin Ankov <ankov_svetlin@xxxxxxxxxxxxxx>
:::::: CC: Greg Kroah-Hartman <gregkh@xxxxxxxxxx>

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0-DAY kernel test infrastructure                Open Source Technology Center
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