Re: [PATCH V1 2/3] drivers/fpga/amd: Add communication with firmware

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Hi David,

kernel test robot noticed the following build warnings:

[auto build test WARNING on linus/master]
[also build test WARNING on v6.12-rc2 next-20241008]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/David-Zhang/drivers-fpga-amd-Add-communication-with-firmware/20241008-060253
base:   linus/master
patch link:    https://lore.kernel.org/r/20241007220128.3023169-2-yidong.zhang%40amd.com
patch subject: [PATCH V1 2/3] drivers/fpga/amd: Add communication with firmware
config: i386-randconfig-054-20241009 (https://download.01.org/0day-ci/archive/20241009/202410091338.c38eM1Hd-lkp@xxxxxxxxx/config)
compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff)

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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202410091338.c38eM1Hd-lkp@xxxxxxxxx/

cocci warnings: (new ones prefixed by >>)
>> drivers/fpga/amd/vmgmt-rm.c:183:2-3: Unneeded semicolon
--
>> drivers/fpga/amd/vmgmt-rm.c:498:10-17: WARNING: vzalloc should be used for buffer, instead of vmalloc/memset

vim +183 drivers/fpga/amd/vmgmt-rm.c

   146	
   147	int rm_queue_create_cmd(struct rm_device *rdev, enum rm_queue_opcode opcode,
   148				struct rm_cmd **cmd_ptr)
   149	{
   150		struct rm_cmd *cmd = NULL;
   151		int ret, id;
   152		u16 size;
   153	
   154		if (rdev->firewall_tripped)
   155			return -ENODEV;
   156	
   157		cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
   158		if (!cmd)
   159			return -ENOMEM;
   160		cmd->rdev = rdev;
   161	
   162		switch (opcode) {
   163		case RM_QUEUE_OP_LOAD_XCLBIN:
   164			fallthrough;
   165		case RM_QUEUE_OP_LOAD_FW:
   166			fallthrough;
   167		case RM_QUEUE_OP_LOAD_APU_FW:
   168			size = sizeof(struct rm_cmd_sq_bin);
   169			break;
   170		case RM_QUEUE_OP_GET_LOG_PAGE:
   171			size = sizeof(struct rm_cmd_sq_log_page);
   172			break;
   173		case RM_QUEUE_OP_IDENTIFY:
   174			size = 0;
   175			break;
   176		case RM_QUEUE_OP_VMR_CONTROL:
   177			size = sizeof(struct rm_cmd_sq_ctrl);
   178			break;
   179		default:
   180			vmgmt_err(rdev->vdev, "Invalid cmd opcode %d", opcode);
   181			ret = -EINVAL;
   182			goto error;
 > 183		};
   184	
   185		cmd->opcode = opcode;
   186		cmd->sq_msg.hdr.opcode = FIELD_PREP(RM_CMD_SQ_HDR_OPS_MSK, opcode);
   187		cmd->sq_msg.hdr.msg_size = FIELD_PREP(RM_CMD_SQ_HDR_SIZE_MSK, size);
   188	
   189		id = ida_alloc_range(&rm_cmd_ids, RM_CMD_ID_MIN, RM_CMD_ID_MAX, GFP_KERNEL);
   190		if (id < 0) {
   191			vmgmt_err(rdev->vdev, "Failed to alloc cmd ID: %d", id);
   192			ret = id;
   193			goto error;
   194		}
   195		cmd->sq_msg.hdr.id = id;
   196	
   197		init_completion(&cmd->executed);
   198	
   199		*cmd_ptr = cmd;
   200		return 0;
   201	error:
   202		kfree(cmd);
   203		return ret;
   204	}
   205	

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




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