Re: [PATCH] staging: greybus: Refactor gb_audio_gb_get_topology() into separate calls

[kernel test robot <lkp@intel.com>]

Hi Madhumitha,

kernel test robot noticed the following build warnings:

[auto build test WARNING on staging/staging-testing]

url:    https://github.com/intel-lab-lkp/linux/commits/Madhumitha-Prabakaran/staging-greybus-Refactor-gb_audio_gb_get_topology-into-separate-calls/20230805-043242
base:   staging/staging-testing
patch link:    https://lore.kernel.org/r/20230804203134.GA618419%40madhu-kernel
patch subject: [PATCH] staging: greybus: Refactor gb_audio_gb_get_topology() into separate calls
config: loongarch-allyesconfig (https://download.01.org/0day-ci/archive/20230805/202308050511.y5Yb9otW-lkp@intel.com/config)
compiler: loongarch64-linux-gcc (GCC) 12.3.0
reproduce: (https://download.01.org/0day-ci/archive/20230805/202308050511.y5Yb9otW-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202308050511.y5Yb9otW-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/staging/greybus/audio_gb.c:11:5: warning: no previous prototype for 'gb_audio_gb_get_topology_size' [-Wmissing-prototypes]
      11 | int gb_audio_gb_get_topology_size(struct gb_connection *connection, u16 *size)
         |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/staging/greybus/audio_gb.c:25:27: warning: no previous prototype for 'gb_audio_gb_alloc_topology' [-Wmissing-prototypes]
      25 | struct gb_audio_topology *gb_audio_gb_alloc_topology(u16 size)
         |                           ^~~~~~~~~~~~~~~~~~~~~~~~~~


vim +/gb_audio_gb_get_topology_size +11 drivers/staging/greybus/audio_gb.c

    10	
  > 11	int gb_audio_gb_get_topology_size(struct gb_connection *connection, u16 *size)
    12	{
    13	    struct gb_audio_get_topology_size_response size_resp;
    14	    int ret;
    15	
    16	    ret = gb_operation_sync(connection, GB_AUDIO_TYPE_GET_TOPOLOGY_SIZE,
    17	                            NULL, 0, &size_resp, sizeof(size_resp));
    18	    if (ret)
    19	        return ret;
    20	
    21	    *size = le16_to_cpu(size_resp.size);
    22	    return 0;
    23	}
    24	
  > 25	struct gb_audio_topology *gb_audio_gb_alloc_topology(u16 size)
    26	{
    27	    struct gb_audio_topology *topo;
    28	
    29	    if (size < sizeof(struct gb_audio_topology))
    30	        return NULL;
    31	
    32	    topo = kzalloc(size, GFP_KERNEL);
    33	    return topo;
    34	}
    35	

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