[freescale-fslc:pr/629 3494/9838] drivers/staging/ethosu/ethosu_network.c:149:1: warning: the frame size of 1588 bytes is larger than 1024 bytes

[freescale-fslc:pr/629 3494/9838] drivers/staging/ethosu/ethosu_network.c:149:1: warning: the frame size of 1588 bytes is larger than 1024 bytes

[kernel test robot]

tree:   https://github.com/Freescale/linux-fslc pr/629
head:   d1033c2e51746dfdb7179c82e38b03ba7de39c63
commit: 3a39366ac72824dade6536b0d1398b4a0392409d [3494/9838] ethosu: Add support for inference cancellation
config: sh-allmodconfig (https://download.01.org/0day-ci/archive/20230416/202304160149.PxDXTITL-lkp@intel.com/config)
compiler: sh4-linux-gcc (GCC) 12.1.0
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://github.com/Freescale/linux-fslc/commit/3a39366ac72824dade6536b0d1398b4a0392409d
        git remote add freescale-fslc https://github.com/Freescale/linux-fslc
        git fetch --no-tags freescale-fslc pr/629
        git checkout 3a39366ac72824dade6536b0d1398b4a0392409d
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=sh olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=sh SHELL=/bin/bash drivers/pwm/ drivers/soc/imx/ drivers/staging/ethosu/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202304160149.PxDXTITL-lkp@intel.com/

All warnings (new ones prefixed by >>):

   drivers/staging/ethosu/ethosu_network.c: In function 'ethosu_network_ioctl':
>> drivers/staging/ethosu/ethosu_network.c:149:1: warning: the frame size of 1588 bytes is larger than 1024 bytes [-Wframe-larger-than=]
     149 | }
         | ^


vim +149 drivers/staging/ethosu/ethosu_network.c

95ce4103b59b6a Alison Wang 2022-10-14   91  
95ce4103b59b6a Alison Wang 2022-10-14   92  static long ethosu_network_ioctl(struct file *file,
95ce4103b59b6a Alison Wang 2022-10-14   93  				 unsigned int cmd,
95ce4103b59b6a Alison Wang 2022-10-14   94  				 unsigned long arg)
95ce4103b59b6a Alison Wang 2022-10-14   95  {
95ce4103b59b6a Alison Wang 2022-10-14   96  	struct ethosu_network *net = file->private_data;
95ce4103b59b6a Alison Wang 2022-10-14   97  	void __user *udata = (void __user *)arg;
95ce4103b59b6a Alison Wang 2022-10-14   98  	int ret = -EINVAL;
95ce4103b59b6a Alison Wang 2022-10-14   99  
95ce4103b59b6a Alison Wang 2022-10-14  100  	ret = mutex_lock_interruptible(&net->edev->mutex);
95ce4103b59b6a Alison Wang 2022-10-14  101  	if (ret)
95ce4103b59b6a Alison Wang 2022-10-14  102  		return ret;
95ce4103b59b6a Alison Wang 2022-10-14  103  
68d267d8be8c72 Alison Wang 2022-09-27  104  	dev_dbg(net->edev->dev,
68d267d8be8c72 Alison Wang 2022-09-27  105  		"Network ioctl: file=0x%pK, net=0x%pK, cmd=0x%x, arg=0x%lx\n",
68d267d8be8c72 Alison Wang 2022-09-27  106  		file, net, cmd, arg);
95ce4103b59b6a Alison Wang 2022-10-14  107  
95ce4103b59b6a Alison Wang 2022-10-14  108  	switch (cmd) {
10684f4bdf1ef0 Alison Wang 2022-09-27  109  	case ETHOSU_IOCTL_NETWORK_INFO: {
10684f4bdf1ef0 Alison Wang 2022-09-27  110  		struct ethosu_uapi_network_info uapi;
10684f4bdf1ef0 Alison Wang 2022-09-27  111  
10684f4bdf1ef0 Alison Wang 2022-09-27  112  		if (copy_from_user(&uapi, udata, sizeof(uapi)))
10684f4bdf1ef0 Alison Wang 2022-09-27  113  			break;
10684f4bdf1ef0 Alison Wang 2022-09-27  114  
10684f4bdf1ef0 Alison Wang 2022-09-27  115  		dev_dbg(net->edev->dev,
10684f4bdf1ef0 Alison Wang 2022-09-27  116  			 "Network ioctl: Network info. net=0x%pK\n",
10684f4bdf1ef0 Alison Wang 2022-09-27  117  			 net);
10684f4bdf1ef0 Alison Wang 2022-09-27  118  
10684f4bdf1ef0 Alison Wang 2022-09-27  119  		ret = ethosu_network_info_request(net, &uapi);
10684f4bdf1ef0 Alison Wang 2022-09-27  120  		if (ret)
10684f4bdf1ef0 Alison Wang 2022-09-27  121  			break;
10684f4bdf1ef0 Alison Wang 2022-09-27  122  
10684f4bdf1ef0 Alison Wang 2022-09-27  123  		ret = copy_to_user(udata, &uapi, sizeof(uapi)) ? -EFAULT : 0;
10684f4bdf1ef0 Alison Wang 2022-09-27  124  		break;
10684f4bdf1ef0 Alison Wang 2022-09-27  125  	}
95ce4103b59b6a Alison Wang 2022-10-14  126  	case ETHOSU_IOCTL_INFERENCE_CREATE: {
95ce4103b59b6a Alison Wang 2022-10-14  127  		struct ethosu_uapi_inference_create uapi;
95ce4103b59b6a Alison Wang 2022-10-14  128  
95ce4103b59b6a Alison Wang 2022-10-14  129  		if (copy_from_user(&uapi, udata, sizeof(uapi)))
95ce4103b59b6a Alison Wang 2022-10-14  130  			break;
95ce4103b59b6a Alison Wang 2022-10-14  131  
68d267d8be8c72 Alison Wang 2022-09-27  132  		dev_dbg(net->edev->dev,
68d267d8be8c72 Alison Wang 2022-09-27  133  			"Network ioctl: Inference. ifm_fd=%u, ofm_fd=%u\n",
95ce4103b59b6a Alison Wang 2022-10-14  134  			uapi.ifm_fd[0], uapi.ofm_fd[0]);
95ce4103b59b6a Alison Wang 2022-10-14  135  
95ce4103b59b6a Alison Wang 2022-10-14  136  		ret = ethosu_inference_create(net->edev, net, &uapi);
95ce4103b59b6a Alison Wang 2022-10-14  137  		break;
95ce4103b59b6a Alison Wang 2022-10-14  138  	}
95ce4103b59b6a Alison Wang 2022-10-14  139  	default: {
95ce4103b59b6a Alison Wang 2022-10-14  140  		dev_err(net->edev->dev, "Invalid ioctl. cmd=%u, arg=%lu",
95ce4103b59b6a Alison Wang 2022-10-14  141  			cmd, arg);
95ce4103b59b6a Alison Wang 2022-10-14  142  		break;
95ce4103b59b6a Alison Wang 2022-10-14  143  	}
95ce4103b59b6a Alison Wang 2022-10-14  144  	}
95ce4103b59b6a Alison Wang 2022-10-14  145  
95ce4103b59b6a Alison Wang 2022-10-14  146  	mutex_unlock(&net->edev->mutex);
95ce4103b59b6a Alison Wang 2022-10-14  147  
95ce4103b59b6a Alison Wang 2022-10-14  148  	return ret;
95ce4103b59b6a Alison Wang 2022-10-14 @149  }
95ce4103b59b6a Alison Wang 2022-10-14  150  

:::::: The code at line 149 was first introduced by commit
:::::: 95ce4103b59b6af5d3c264fc137f9dd174e78d3e npu: ethosu: Add Arm ethos-u driver

:::::: TO: Alison Wang <alison.wang@nxp.com>
:::::: CC: Dong Aisheng <aisheng.dong@nxp.com>

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests