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* [mhiramat:bootconfig/core 3/4] init/main.c:419:44: error: passing argument 1 of 'get_boot_config_from_initrd' from incompatible pointer type
@ 2022-04-05 11:17 kernel test robot
  0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2022-04-05 11:17 UTC (permalink / raw)
  To: Masami Hiramatsu; +Cc: kbuild-all, linux-kernel

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/mhiramat/linux.git bootconfig/core
head:   3907c71b99b8055dc7720ef35346f4d99870eb8c
commit: a33f53148090d20b836dbea6ab603c3770165d28 [3/4] bootconfig: Support embedding a bootconfig file in kernel
config: sparc64-buildonly-randconfig-r004-20220405 (https://download.01.org/0day-ci/archive/20220405/202204051939.gOVSGNXT-lkp@intel.com/config)
compiler: sparc64-linux-gcc (GCC) 11.2.0
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/mhiramat/linux.git/commit/?id=a33f53148090d20b836dbea6ab603c3770165d28
        git remote add mhiramat https://git.kernel.org/pub/scm/linux/kernel/git/mhiramat/linux.git
        git fetch --no-tags mhiramat bootconfig/core
        git checkout a33f53148090d20b836dbea6ab603c3770165d28
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=sparc64 SHELL=/bin/bash

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

   init/main.c: In function 'setup_boot_config':
>> init/main.c:419:44: error: passing argument 1 of 'get_boot_config_from_initrd' from incompatible pointer type [-Werror=incompatible-pointer-types]
     419 |         data = get_boot_config_from_initrd(&size);
         |                                            ^~~~~
         |                                            |
         |                                            size_t * {aka long unsigned int *}
   init/main.c:316:55: note: expected 'u32 *' {aka 'unsigned int *'} but argument is of type 'size_t *' {aka 'long unsigned int *'}
     316 | static void * __init get_boot_config_from_initrd(u32 *_size)
         |                                                  ~~~~~^~~~~
   init/main.c: At top level:
   init/main.c:769:20: warning: no previous prototype for 'arch_post_acpi_subsys_init' [-Wmissing-prototypes]
     769 | void __init __weak arch_post_acpi_subsys_init(void) { }
         |                    ^~~~~~~~~~~~~~~~~~~~~~~~~~
   init/main.c:781:20: warning: no previous prototype for 'mem_encrypt_init' [-Wmissing-prototypes]
     781 | void __init __weak mem_encrypt_init(void) { }
         |                    ^~~~~~~~~~~~~~~~
   init/main.c:783:20: warning: no previous prototype for 'poking_init' [-Wmissing-prototypes]
     783 | void __init __weak poking_init(void) { }
         |                    ^~~~~~~~~~~
   cc1: some warnings being treated as errors


vim +/get_boot_config_from_initrd +419 init/main.c

d0ac5fbaf783d5 Masami Hiramatsu        2021-08-05  409  
2b7d2fe76f9c84 Cao jin                 2021-03-11  410  static void __init setup_boot_config(void)
7684b8582c2453 Masami Hiramatsu        2020-01-11  411  {
f61872bb58a1cd Steven Rostedt (VMware  2020-02-07  412) 	static char tmp_cmdline[COMMAND_LINE_SIZE] __initdata;
a33f53148090d2 Masami Hiramatsu        2022-03-12  413  	const char *msg, *data;
a33f53148090d2 Masami Hiramatsu        2022-03-12  414  	int pos, ret;
a33f53148090d2 Masami Hiramatsu        2022-03-12  415  	size_t size;
a33f53148090d2 Masami Hiramatsu        2022-03-12  416  	char *err;
7684b8582c2453 Masami Hiramatsu        2020-01-11  417  
611d0a95d46b09 Masami Hiramatsu        2020-05-11  418  	/* Cut out the bootconfig data even if we have no bootconfig option */
88404d100627e1 Masami Hiramatsu        2022-03-28 @419  	data = get_boot_config_from_initrd(&size);
a33f53148090d2 Masami Hiramatsu        2022-03-12  420  	/* If there is no bootconfig in initrd, try embedded one. */
a33f53148090d2 Masami Hiramatsu        2022-03-12  421  	if (!data)
a33f53148090d2 Masami Hiramatsu        2022-03-12  422  		data = xbc_get_embedded_bootconfig(&size);
de462e5f107185 Masami Hiramatsu        2020-04-26  423  
f61872bb58a1cd Steven Rostedt (VMware  2020-02-07  424) 	strlcpy(tmp_cmdline, boot_command_line, COMMAND_LINE_SIZE);
477d0847817046 Masami Hiramatsu        2020-08-04  425  	err = parse_args("bootconfig", tmp_cmdline, NULL, 0, 0, 0, NULL,
f61872bb58a1cd Steven Rostedt (VMware  2020-02-07  426) 			 bootconfig_params);
f61872bb58a1cd Steven Rostedt (VMware  2020-02-07  427) 
477d0847817046 Masami Hiramatsu        2020-08-04  428  	if (IS_ERR(err) || !bootconfig_found)
7684b8582c2453 Masami Hiramatsu        2020-01-11  429  		return;
7684b8582c2453 Masami Hiramatsu        2020-01-11  430  
b66fbbe8d48228 Masami Hiramatsu        2021-09-05  431  	/* parse_args() stops at the next param of '--' and returns an address */
477d0847817046 Masami Hiramatsu        2020-08-04  432  	if (err)
b66fbbe8d48228 Masami Hiramatsu        2021-09-05  433  		initargs_offs = err - tmp_cmdline;
477d0847817046 Masami Hiramatsu        2020-08-04  434  
611d0a95d46b09 Masami Hiramatsu        2020-05-11  435  	if (!data) {
611d0a95d46b09 Masami Hiramatsu        2020-05-11  436  		pr_err("'bootconfig' found on command line, but no bootconfig found\n");
611d0a95d46b09 Masami Hiramatsu        2020-05-11  437  		return;
611d0a95d46b09 Masami Hiramatsu        2020-05-11  438  	}
611d0a95d46b09 Masami Hiramatsu        2020-05-11  439  
7495e0926fdf30 Steven Rostedt (VMware  2020-02-04  440) 	if (size >= XBC_DATA_MAX) {
a33f53148090d2 Masami Hiramatsu        2022-03-12  441  		pr_err("bootconfig size %ld greater than max size %d\n",
a33f53148090d2 Masami Hiramatsu        2022-03-12  442  			(long)size, XBC_DATA_MAX);
7684b8582c2453 Masami Hiramatsu        2020-01-11  443  		return;
7495e0926fdf30 Steven Rostedt (VMware  2020-02-04  444) 	}
7684b8582c2453 Masami Hiramatsu        2020-01-11  445  
bdac5c2b243f68 Masami Hiramatsu        2021-09-16  446  	ret = xbc_init(data, size, &msg, &pos);
89b74cac783473 Masami Hiramatsu        2020-03-03  447  	if (ret < 0) {
89b74cac783473 Masami Hiramatsu        2020-03-03  448  		if (pos < 0)
89b74cac783473 Masami Hiramatsu        2020-03-03  449  			pr_err("Failed to init bootconfig: %s.\n", msg);
89b74cac783473 Masami Hiramatsu        2020-03-03  450  		else
89b74cac783473 Masami Hiramatsu        2020-03-03  451  			pr_err("Failed to parse bootconfig: %s at %d.\n",
89b74cac783473 Masami Hiramatsu        2020-03-03  452  				msg, pos);
89b74cac783473 Masami Hiramatsu        2020-03-03  453  	} else {
e306220cb7b7c2 Masami Hiramatsu        2021-09-16  454  		xbc_get_info(&ret, NULL);
a33f53148090d2 Masami Hiramatsu        2022-03-12  455  		pr_info("Load bootconfig: %ld bytes %d nodes\n", (long)size, ret);
51887d03aca101 Masami Hiramatsu        2020-01-11  456  		/* keys starting with "kernel." are passed via cmdline */
51887d03aca101 Masami Hiramatsu        2020-01-11  457  		extra_command_line = xbc_make_cmdline("kernel");
1319916209ce8f Masami Hiramatsu        2020-01-11  458  		/* Also, "init." keys are init arguments */
1319916209ce8f Masami Hiramatsu        2020-01-11  459  		extra_init_args = xbc_make_cmdline("init");
51887d03aca101 Masami Hiramatsu        2020-01-11  460  	}
7495e0926fdf30 Steven Rostedt (VMware  2020-02-04  461) 	return;
7684b8582c2453 Masami Hiramatsu        2020-01-11  462  }
de462e5f107185 Masami Hiramatsu        2020-04-26  463  

:::::: The code at line 419 was first introduced by commit
:::::: 88404d100627e1ed2f02a264e2465e2ae62f386a bootconfig: Check the checksum before removing the bootconfig from initrd

:::::: TO: Masami Hiramatsu <mhiramat@kernel.org>
:::::: CC: Masami Hiramatsu <mhiramat@kernel.org>

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp

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