linux-kernel - drivers/greybus/gb-beagleplay.c:347:24: sparse: sparse: restricted _

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Message-ID: <202311072329.Xogj7hGW-lkp@intel.com>
Date:   Tue, 14 Nov 2023 15:54:26 +0800
From:   kernel test robot <yujie.liu@...el.com>
To:     Ayush Singh <ayushdevel1325@...il.com>
CC:     <oe-kbuild-all@...ts.linux.dev>, <linux-kernel@...r.kernel.org>
Subject: drivers/greybus/gb-beagleplay.c:347:24: sparse: sparse: restricted
 __le16 degrades to integer

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   be3ca57cfb777ad820c6659d52e60bbdd36bf5ff
commit: ec558bbfea671ac020a6dc6be8bf8f0ee556cce0 greybus: Add BeaglePlay Linux Driver
date:   11 days ago
config: x86_64-randconfig-122-20231107 (https://download.01.org/0day-ci/archive/20231107/202311072329.Xogj7hGW-lkp@intel.com/config)
compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231107/202311072329.Xogj7hGW-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 <yujie.liu@...el.com>
| Closes: https://lore.kernel.org/r/202311072329.Xogj7hGW-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> drivers/greybus/gb-beagleplay.c:347:24: sparse: sparse: restricted __le16 degrades to integer

vim +347 drivers/greybus/gb-beagleplay.c

ec558bbfea671a Ayush Singh 2023-10-17  338  
ec558bbfea671a Ayush Singh 2023-10-17  339  static int gb_message_send(struct gb_host_device *hd, u16 cport, struct gb_message *msg, gfp_t mask)
ec558bbfea671a Ayush Singh 2023-10-17  340  {
ec558bbfea671a Ayush Singh 2023-10-17  341  	struct gb_beagleplay *bg = dev_get_drvdata(&hd->dev);
ec558bbfea671a Ayush Singh 2023-10-17  342  	struct hdlc_payload payloads[2];
ec558bbfea671a Ayush Singh 2023-10-17  343  
ec558bbfea671a Ayush Singh 2023-10-17  344  	dev_dbg(&hd->dev, "Sending greybus message with Operation %u, Type: %X on Cport %u",
ec558bbfea671a Ayush Singh 2023-10-17  345  		msg->header->operation_id, msg->header->type, cport);
ec558bbfea671a Ayush Singh 2023-10-17  346  
ec558bbfea671a Ayush Singh 2023-10-17 @347  	if (msg->header->size > RX_HDLC_PAYLOAD)
ec558bbfea671a Ayush Singh 2023-10-17  348  		return dev_err_probe(&hd->dev, -E2BIG, "Greybus message too big");
ec558bbfea671a Ayush Singh 2023-10-17  349  
ec558bbfea671a Ayush Singh 2023-10-17  350  	memcpy(msg->header->pad, &cport, sizeof(cport));
ec558bbfea671a Ayush Singh 2023-10-17  351  
ec558bbfea671a Ayush Singh 2023-10-17  352  	payloads[0].buf = msg->header;
ec558bbfea671a Ayush Singh 2023-10-17  353  	payloads[0].len = sizeof(*msg->header);
ec558bbfea671a Ayush Singh 2023-10-17  354  	payloads[1].buf = msg->payload;
ec558bbfea671a Ayush Singh 2023-10-17  355  	payloads[1].len = msg->payload_size;
ec558bbfea671a Ayush Singh 2023-10-17  356  
ec558bbfea671a Ayush Singh 2023-10-17  357  	hdlc_tx_frames(bg, ADDRESS_GREYBUS, 0x03, payloads, 2);
ec558bbfea671a Ayush Singh 2023-10-17  358  	greybus_message_sent(bg->gb_hd, msg, 0);
ec558bbfea671a Ayush Singh 2023-10-17  359  
ec558bbfea671a Ayush Singh 2023-10-17  360  	return 0;
ec558bbfea671a Ayush Singh 2023-10-17  361  }
ec558bbfea671a Ayush Singh 2023-10-17  362  

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