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* [stblinux:drivers/fixes 1/1] drivers/firmware/broadcom/tee_bnxt_fw.c:215:16: error: implicit declaration of function 'tee_shm_alloc_kernel_buf'
@ 2021-07-21  1:33 kernel test robot
  0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2021-07-21  1:33 UTC (permalink / raw)
  To: Allen Pais
  Cc: clang-built-linux, kbuild-all, linux-kernel, Florian Fainelli,
	Tyler Hicks

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tree:   https://github.com/Broadcom/stblinux drivers/fixes
head:   4ecd797b7e16eb7f1b86fbfd7e4a7887b192535b
commit: 4ecd797b7e16eb7f1b86fbfd7e4a7887b192535b [1/1] firmware: tee_bnxt: Release TEE shm, session, and context during kexec
config: x86_64-randconfig-a016-20210720 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 87039c048c0cbc3d8cbba86187269b006bf2f373)
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
        # install x86_64 cross compiling tool for clang build
        # apt-get install binutils-x86-64-linux-gnu
        # https://github.com/Broadcom/stblinux/commit/4ecd797b7e16eb7f1b86fbfd7e4a7887b192535b
        git remote add stblinux https://github.com/Broadcom/stblinux
        git fetch --no-tags stblinux drivers/fixes
        git checkout 4ecd797b7e16eb7f1b86fbfd7e4a7887b192535b
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 

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

All error/warnings (new ones prefixed by >>):

>> drivers/firmware/broadcom/tee_bnxt_fw.c:215:16: error: implicit declaration of function 'tee_shm_alloc_kernel_buf' [-Werror,-Wimplicit-function-declaration]
           fw_shm_pool = tee_shm_alloc_kernel_buf(pvt_data.ctx, MAX_SHM_MEM_SZ);
                         ^
>> drivers/firmware/broadcom/tee_bnxt_fw.c:215:14: warning: incompatible integer to pointer conversion assigning to 'struct tee_shm *' from 'int' [-Wint-conversion]
           fw_shm_pool = tee_shm_alloc_kernel_buf(pvt_data.ctx, MAX_SHM_MEM_SZ);
                       ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   1 warning and 1 error generated.


vim +/tee_shm_alloc_kernel_buf +215 drivers/firmware/broadcom/tee_bnxt_fw.c

   183	
   184	static int tee_bnxt_fw_probe(struct device *dev)
   185	{
   186		struct tee_client_device *bnxt_device = to_tee_client_device(dev);
   187		int ret, err = -ENODEV;
   188		struct tee_ioctl_open_session_arg sess_arg;
   189		struct tee_shm *fw_shm_pool;
   190	
   191		memset(&sess_arg, 0, sizeof(sess_arg));
   192	
   193		/* Open context with TEE driver */
   194		pvt_data.ctx = tee_client_open_context(NULL, optee_ctx_match, NULL,
   195						       NULL);
   196		if (IS_ERR(pvt_data.ctx))
   197			return -ENODEV;
   198	
   199		/* Open session with Bnxt load Trusted App */
   200		memcpy(sess_arg.uuid, bnxt_device->id.uuid.b, TEE_IOCTL_UUID_LEN);
   201		sess_arg.clnt_login = TEE_IOCTL_LOGIN_PUBLIC;
   202		sess_arg.num_params = 0;
   203	
   204		ret = tee_client_open_session(pvt_data.ctx, &sess_arg, NULL);
   205		if (ret < 0 || sess_arg.ret != 0) {
   206			dev_err(dev, "tee_client_open_session failed, err: %x\n",
   207				sess_arg.ret);
   208			err = -EINVAL;
   209			goto out_ctx;
   210		}
   211		pvt_data.session_id = sess_arg.session;
   212	
   213		pvt_data.dev = dev;
   214	
 > 215		fw_shm_pool = tee_shm_alloc_kernel_buf(pvt_data.ctx, MAX_SHM_MEM_SZ);
   216		if (IS_ERR(fw_shm_pool)) {
   217			dev_err(pvt_data.dev, "tee_shm_alloc_kernel_buf failed\n");
   218			err = PTR_ERR(fw_shm_pool);
   219			goto out_sess;
   220		}
   221	
   222		pvt_data.fw_shm_pool = fw_shm_pool;
   223	
   224		return 0;
   225	
   226	out_sess:
   227		tee_client_close_session(pvt_data.ctx, pvt_data.session_id);
   228	out_ctx:
   229		tee_client_close_context(pvt_data.ctx);
   230	
   231		return err;
   232	}
   233	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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2021-07-21  1:33 [stblinux:drivers/fixes 1/1] drivers/firmware/broadcom/tee_bnxt_fw.c:215:16: error: implicit declaration of function 'tee_shm_alloc_kernel_buf' kernel test robot

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