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Message-ID: <202203230845.E0LTB8eP-lkp@intel.com>
Date:   Wed, 23 Mar 2022 08:24:15 +0800
From:   kernel test robot <lkp@...el.com>
To:     Stephen Kitt <steve@....org>, Matthew Wilcox <willy@...radead.org>,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Cc:     kbuild-all@...ts.01.org, linux-fsdevel@...r.kernel.org,
        linux-kernel@...r.kernel.org, Stephen Kitt <steve@....org>
Subject: Re: [PATCH] idr: Remove unused ida_simple_{get,remove}

Hi Stephen,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on 5191290407668028179f2544a11ae9b57f0bcf07]

url:    https://github.com/0day-ci/linux/commits/Stephen-Kitt/idr-Remove-unused-ida_simple_-get-remove/20220323-062521
base:   5191290407668028179f2544a11ae9b57f0bcf07
config: um-i386_defconfig (https://download.01.org/0day-ci/archive/20220323/202203230845.E0LTB8eP-lkp@intel.com/config)
compiler: gcc-9 (Ubuntu 9.4.0-1ubuntu1~20.04) 9.4.0
reproduce (this is a W=1 build):
        # https://github.com/0day-ci/linux/commit/13945a32161b59a82eca06de385ea0f38b88439e
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Stephen-Kitt/idr-Remove-unused-ida_simple_-get-remove/20220323-062521
        git checkout 13945a32161b59a82eca06de385ea0f38b88439e
        # save the config file to linux build tree
        mkdir build_dir
        make W=1 O=build_dir ARCH=um SUBARCH=i386 SHELL=/bin/bash

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

All errors (new ones prefixed by >>):

   fs/eventfd.c: In function 'eventfd_free_ctx':
>> fs/eventfd.c:92:3: error: implicit declaration of function 'ida_simple_remove' [-Werror=implicit-function-declaration]
      92 |   ida_simple_remove(&eventfd_ida, ctx->id);
         |   ^~~~~~~~~~~~~~~~~
   fs/eventfd.c: In function 'do_eventfd':
>> fs/eventfd.c:426:12: error: implicit declaration of function 'ida_simple_get' [-Werror=implicit-function-declaration]
     426 |  ctx->id = ida_simple_get(&eventfd_ida, 0, 0, GFP_KERNEL);
         |            ^~~~~~~~~~~~~~
   cc1: some warnings being treated as errors
--
   fs/proc/generic.c: In function 'proc_alloc_inum':
>> fs/proc/generic.c:206:6: error: implicit declaration of function 'ida_simple_get' [-Werror=implicit-function-declaration]
     206 |  i = ida_simple_get(&proc_inum_ida, 0, UINT_MAX - PROC_DYNAMIC_FIRST + 1,
         |      ^~~~~~~~~~~~~~
   fs/proc/generic.c: In function 'proc_free_inum':
>> fs/proc/generic.c:217:2: error: implicit declaration of function 'ida_simple_remove' [-Werror=implicit-function-declaration]
     217 |  ida_simple_remove(&proc_inum_ida, inum - PROC_DYNAMIC_FIRST);
         |  ^~~~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors
--
   block/blk-core.c: In function 'blk_alloc_queue':
>> block/blk-core.c:456:10: error: implicit declaration of function 'ida_simple_get' [-Werror=implicit-function-declaration]
     456 |  q->id = ida_simple_get(&blk_queue_ida, 0, 0, GFP_KERNEL);
         |          ^~~~~~~~~~~~~~
>> block/blk-core.c:506:2: error: implicit declaration of function 'ida_simple_remove' [-Werror=implicit-function-declaration]
     506 |  ida_simple_remove(&blk_queue_ida, q->id);
         |  ^~~~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors
--
   block/blk-sysfs.c: In function 'blk_release_queue':
>> block/blk-sysfs.c:796:2: error: implicit declaration of function 'ida_simple_remove' [-Werror=implicit-function-declaration]
     796 |  ida_simple_remove(&blk_queue_ida, q->id);
         |  ^~~~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors
--
   drivers/base/swnode.c: In function 'software_node_release':
>> drivers/base/swnode.c:750:3: error: implicit declaration of function 'ida_simple_remove' [-Werror=implicit-function-declaration]
     750 |   ida_simple_remove(&swnode->parent->child_ids, swnode->id);
         |   ^~~~~~~~~~~~~~~~~
   drivers/base/swnode.c: In function 'swnode_register':
>> drivers/base/swnode.c:779:8: error: implicit declaration of function 'ida_simple_get' [-Werror=implicit-function-declaration]
     779 |  ret = ida_simple_get(parent ? &parent->child_ids : &swnode_root_ids,
         |        ^~~~~~~~~~~~~~
   cc1: some warnings being treated as errors
--
   drivers/input/input.c: In function 'input_get_new_minor':
>> drivers/input/input.c:2577:15: error: implicit declaration of function 'ida_simple_get' [-Werror=implicit-function-declaration]
    2577 |   int minor = ida_simple_get(&input_ida,
         |               ^~~~~~~~~~~~~~
   drivers/input/input.c: In function 'input_free_minor':
>> drivers/input/input.c:2600:2: error: implicit declaration of function 'ida_simple_remove' [-Werror=implicit-function-declaration]
    2600 |  ida_simple_remove(&input_ida, minor);
         |  ^~~~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors
--
   drivers/ptp/ptp_clock.c: In function 'ptp_clock_release':
>> drivers/ptp/ptp_clock.c:177:2: error: implicit declaration of function 'ida_simple_remove' [-Werror=implicit-function-declaration]
     177 |  ida_simple_remove(&ptp_clocks_map, ptp->index);
         |  ^~~~~~~~~~~~~~~~~
   drivers/ptp/ptp_clock.c: In function 'ptp_clock_register':
>> drivers/ptp/ptp_clock.c:212:10: error: implicit declaration of function 'ida_simple_get' [-Werror=implicit-function-declaration]
     212 |  index = ida_simple_get(&ptp_clocks_map, 0, MINORMASK + 1, GFP_KERNEL);
         |          ^~~~~~~~~~~~~~
   cc1: some warnings being treated as errors
--
   net/core/xdp.c: In function '__xdp_mem_allocator_rcu_free':
>> net/core/xdp.c:76:2: error: implicit declaration of function 'ida_simple_remove' [-Werror=implicit-function-declaration]
      76 |  ida_simple_remove(&mem_id_pool, xa->mem.id);
         |  ^~~~~~~~~~~~~~~~~
   net/core/xdp.c: In function '__mem_id_cyclic_get':
>> net/core/xdp.c:241:7: error: implicit declaration of function 'ida_simple_get' [-Werror=implicit-function-declaration]
     241 |  id = ida_simple_get(&mem_id_pool, mem_id_next, MEM_ID_MAX, gfp);
         |       ^~~~~~~~~~~~~~
   cc1: some warnings being treated as errors


vim +/ida_simple_remove +92 fs/eventfd.c

e1ad7468c77ddb Davide Libenzi  2007-05-10  88  
562787a5c32ccd Davide Libenzi  2009-09-22  89  static void eventfd_free_ctx(struct eventfd_ctx *ctx)
562787a5c32ccd Davide Libenzi  2009-09-22  90  {
b556db17b0e7c4 Masatake YAMATO 2019-05-14  91  	if (ctx->id >= 0)
b556db17b0e7c4 Masatake YAMATO 2019-05-14 @92  		ida_simple_remove(&eventfd_ida, ctx->id);
562787a5c32ccd Davide Libenzi  2009-09-22  93  	kfree(ctx);
562787a5c32ccd Davide Libenzi  2009-09-22  94  }
562787a5c32ccd Davide Libenzi  2009-09-22  95  

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

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