[xilinx-xlnx:xlnx_rebase_v6.6 553/860] drivers/media/platform/xilinx/xilinx-hdcp2x-rx.c:120:22: error: implicit declaration of function 'kzalloc'; did you mean 'vzalloc'?

[xilinx-xlnx:xlnx_rebase_v6.6 553/860] drivers/media/platform/xilinx/xilinx-hdcp2x-rx.c:120:22: error: implicit declaration of function 'kzalloc'; did you mean 'vzalloc'?

[kernel test robot]

Hi Kunal,

First bad commit (maybe != root cause):

tree:   https://github.com/Xilinx/linux-xlnx xlnx_rebase_v6.6
head:   24eec56fe5bd68cae795c37c61276b4dcf218a53
commit: 1204997d6408fb1e0f0bf7420c58e4f0e0db33bb [553/860] v4l2: xilinx: dprx: Add HDCP2x support
config: arc-allmodconfig (https://download.01.org/0day-ci/archive/20240304/202403041120.HXWIOYvb-lkp@intel.com/config)
compiler: arceb-elf-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240304/202403041120.HXWIOYvb-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/202403041120.HXWIOYvb-lkp@intel.com/

All errors (new ones prefixed by >>):

   drivers/media/platform/xilinx/xilinx-hdcp2x-rx.c: In function 'xhdcp2x_rx_init':
>> drivers/media/platform/xilinx/xilinx-hdcp2x-rx.c:120:22: error: implicit declaration of function 'kzalloc'; did you mean 'vzalloc'? [-Werror=implicit-function-declaration]
     120 |         xhdcp2x_rx = kzalloc(sizeof(*xhdcp2x_rx), GFP_KERNEL);
         |                      ^~~~~~~
         |                      vzalloc
   drivers/media/platform/xilinx/xilinx-hdcp2x-rx.c:120:20: warning: assignment to 'struct xlnx_hdcp2x_config *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
     120 |         xhdcp2x_rx = kzalloc(sizeof(*xhdcp2x_rx), GFP_KERNEL);
         |                    ^
   cc1: some warnings being treated as errors


vim +120 drivers/media/platform/xilinx/xilinx-hdcp2x-rx.c

cec9562010804d Kunal Rane 2023-09-04  105  
cec9562010804d Kunal Rane 2023-09-04  106  int *xhdcp2x_rx_init(struct device *dev, void *protocol_ref, void __iomem *xhdcp_base_address,
cec9562010804d Kunal Rane 2023-09-04  107  		     enum xhdcp2x_rx_protocol protocol_rx, bool is_repeater, u8 lane_count)
cec9562010804d Kunal Rane 2023-09-04  108  {
cec9562010804d Kunal Rane 2023-09-04  109  	int status;
cec9562010804d Kunal Rane 2023-09-04  110  	struct xlnx_hdcp2x_config *xhdcp2x_rx;
cec9562010804d Kunal Rane 2023-09-04  111  
cec9562010804d Kunal Rane 2023-09-04  112  	if (!dev || !protocol_ref || !xhdcp_base_address)
cec9562010804d Kunal Rane 2023-09-04  113  		return ERR_PTR(-EINVAL);
cec9562010804d Kunal Rane 2023-09-04  114  
cec9562010804d Kunal Rane 2023-09-04  115  	if (is_repeater) {
cec9562010804d Kunal Rane 2023-09-04  116  		dev_info(dev, "Hdcp2x repeater functionality not supported\n");
cec9562010804d Kunal Rane 2023-09-04  117  		return ERR_PTR(-EINVAL);
cec9562010804d Kunal Rane 2023-09-04  118  	}
cec9562010804d Kunal Rane 2023-09-04  119  
cec9562010804d Kunal Rane 2023-09-04 @120  	xhdcp2x_rx = kzalloc(sizeof(*xhdcp2x_rx), GFP_KERNEL);
cec9562010804d Kunal Rane 2023-09-04  121  	if (!xhdcp2x_rx)
cec9562010804d Kunal Rane 2023-09-04  122  		return ERR_PTR(-ENOMEM);
cec9562010804d Kunal Rane 2023-09-04  123  
cec9562010804d Kunal Rane 2023-09-04  124  	xhdcp2x_rx->xhdcp2x_hw.hdcp2xcore_address = (void __iomem *)xhdcp_base_address;
cec9562010804d Kunal Rane 2023-09-04  125  	xhdcp2x_rx->dev = dev;
cec9562010804d Kunal Rane 2023-09-04  126  	xhdcp2x_rx->interface_ref = protocol_ref;
cec9562010804d Kunal Rane 2023-09-04  127  	xhdcp2x_rx->interface_base = xhdcp_base_address;
cec9562010804d Kunal Rane 2023-09-04  128  	xhdcp2x_rx->is_repeater = is_repeater ? 1 : 0;
cec9562010804d Kunal Rane 2023-09-04  129  	xhdcp2x_rx->lane_count = lane_count;
cec9562010804d Kunal Rane 2023-09-04  130  	xhdcp2x_rx->protocol = protocol_rx;
cec9562010804d Kunal Rane 2023-09-04  131  	xhdcp2x_rx->rx_caps[0] = HDCP_2_2_RX_CAPS_VERSION_VAL;
cec9562010804d Kunal Rane 2023-09-04  132  	xhdcp2x_rx->rx_caps[1] = 0x00;
cec9562010804d Kunal Rane 2023-09-04  133  	xhdcp2x_rx->rx_caps[2] = (xhdcp2x_rx->mode == xhdcp2x_rx_receiver) ?
cec9562010804d Kunal Rane 2023-09-04  134  				RXCAPS_HDCP_ENABLE :  RXCAPS_REPEATER;
cec9562010804d Kunal Rane 2023-09-04  135  	xhdcp2x_rx->keys_loaded = 0;
cec9562010804d Kunal Rane 2023-09-04  136  
cec9562010804d Kunal Rane 2023-09-04  137  	xhdcp2x_rx->xhdcp2x_hw.rng_inst.rng_coreaddress =
cec9562010804d Kunal Rane 2023-09-04  138  		xhdcp2x_rx->xhdcp2x_hw.hdcp2xcore_address + XHDCP2X_RNG_OFFSET;
cec9562010804d Kunal Rane 2023-09-04  139  	xhdcp2x_rx->xhdcp2x_hw.mmult_inst.mmult_coreaddress =
cec9562010804d Kunal Rane 2023-09-04  140  		xhdcp2x_rx->xhdcp2x_hw.hdcp2xcore_address + XHDCP2X_MMULT_OFFSET;
cec9562010804d Kunal Rane 2023-09-04  141  	xhdcp2x_rx->xhdcp2x_hw.cipher_inst.cipher_coreaddress =
cec9562010804d Kunal Rane 2023-09-04  142  		xhdcp2x_rx->xhdcp2x_hw.hdcp2xcore_address + XHDCP2X_CIPHER_OFFSET;
cec9562010804d Kunal Rane 2023-09-04  143  
cec9562010804d Kunal Rane 2023-09-04  144  	status = xlnx_hdcp2x_rng_cfg_init(&xhdcp2x_rx->xhdcp2x_hw.rng_inst);
cec9562010804d Kunal Rane 2023-09-04  145  	if (status < 0)
cec9562010804d Kunal Rane 2023-09-04  146  		return ERR_PTR(-EINVAL);
cec9562010804d Kunal Rane 2023-09-04  147  
cec9562010804d Kunal Rane 2023-09-04  148  	status = xlnx_hdcp2x_mmult_cfginit(&xhdcp2x_rx->xhdcp2x_hw.mmult_inst);
cec9562010804d Kunal Rane 2023-09-04  149  	if (status < 0)
cec9562010804d Kunal Rane 2023-09-04  150  		return ERR_PTR(-EINVAL);
cec9562010804d Kunal Rane 2023-09-04  151  
cec9562010804d Kunal Rane 2023-09-04  152  	status = xlnx_hdcp2x_cipher_cfg_init(&xhdcp2x_rx->xhdcp2x_hw.cipher_inst);
cec9562010804d Kunal Rane 2023-09-04  153  	if (status < 0)
cec9562010804d Kunal Rane 2023-09-04  154  		return ERR_PTR(-EINVAL);
cec9562010804d Kunal Rane 2023-09-04  155  
cec9562010804d Kunal Rane 2023-09-04  156  	xlnx_hdcp2x_rx_cipher_init(&xhdcp2x_rx->xhdcp2x_hw.cipher_inst);
cec9562010804d Kunal Rane 2023-09-04  157  
cec9562010804d Kunal Rane 2023-09-04  158  	mutex_init(&xhdcp2x_rx->hdcprx_mutex);
cec9562010804d Kunal Rane 2023-09-04  159  
cec9562010804d Kunal Rane 2023-09-04  160  	INIT_DELAYED_WORK(&xhdcp2x_rx->sm_work, xhdcp2x_sm_work_func);
cec9562010804d Kunal Rane 2023-09-04  161  
cec9562010804d Kunal Rane 2023-09-04  162  	return (void *)xhdcp2x_rx;
cec9562010804d Kunal Rane 2023-09-04  163  }
cec9562010804d Kunal Rane 2023-09-04  164  

:::::: The code at line 120 was first introduced by commit
:::::: cec9562010804d75b0950a245e7d8e2d778510ba v4l2: xilinx: Add HDCP2x Rx support

:::::: TO: Kunal Rane <kunal.rane@amd.com>
:::::: CC: Michal Simek <michal.simek@amd.com>

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