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* drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c:2267:16: warning: taking address of packed member 'hw_tx_obj' of class or structure 'mcp251xfd_tx_obj_load_buf::(anonymous)' may result in an unaligned pointer value
@ 2021-07-01  7:25 kernel test robot
  2021-07-14 19:53 ` Marc Kleine-Budde
  0 siblings, 1 reply; 4+ messages in thread
From: kernel test robot @ 2021-07-01  7:25 UTC (permalink / raw)
  To: Marc Kleine-Budde; +Cc: clang-built-linux, kbuild-all, linux-kernel

[-- Attachment #1: Type: text/plain, Size: 16533 bytes --]

Hi Marc,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   dbe69e43372212527abf48609aba7fc39a6daa27
commit: eb79a267c9b3e608e7762a1b221428f37ace3aa3 can: mcp251xfd: rename all remaining occurrence to mcp251xfd
date:   9 months ago
config: mips-buildonly-randconfig-r005-20210630 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 8d21d5472501460933e78aead04cf59579025ba4)
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 mips cross compiling tool for clang build
        # apt-get install binutils-mips-linux-gnu
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=eb79a267c9b3e608e7762a1b221428f37ace3aa3
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout eb79a267c9b3e608e7762a1b221428f37ace3aa3
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=mips 

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

All warnings (new ones prefixed by >>):

   In file included from drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c:19:
   In file included from include/linux/netdevice.h:37:
   In file included from include/linux/ethtool.h:18:
   In file included from include/uapi/linux/ethtool.h:19:
   In file included from include/linux/if_ether.h:19:
   In file included from include/linux/skbuff.h:28:
   In file included from include/net/checksum.h:22:
   arch/mips/include/asm/checksum.h:195:9: error: unsupported inline asm: input with type 'unsigned long' matching output with type '__wsum' (aka 'unsigned int')
           : "0" ((__force unsigned long)daddr),
                  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
   In file included from drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c:26:
   In file included from drivers/net/can/spi/mcp251xfd/mcp251xfd.h:14:
   In file included from include/linux/can/dev.h:21:
   In file included from include/linux/can/skb.h:17:
   In file included from include/net/sock.h:61:
   include/linux/poll.h:142:27: warning: division by zero is undefined [-Wdivision-by-zero]
                   M(RDNORM) | M(RDBAND) | M(WRNORM) | M(WRBAND) |
                                           ^~~~~~~~~
   include/linux/poll.h:140:32: note: expanded from macro 'M'
   #define M(X) (__force __poll_t)__MAP(val, POLL##X, (__force __u16)EPOLL##X)
                                  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/poll.h:126:51: note: expanded from macro '__MAP'
           (from < to ? (v & from) * (to/from) : (v & from) / (from/to))
                                                            ^ ~~~~~~~~~
   include/linux/poll.h:142:39: warning: division by zero is undefined [-Wdivision-by-zero]
                   M(RDNORM) | M(RDBAND) | M(WRNORM) | M(WRBAND) |
                                                       ^~~~~~~~~
   include/linux/poll.h:140:32: note: expanded from macro 'M'
   #define M(X) (__force __poll_t)__MAP(val, POLL##X, (__force __u16)EPOLL##X)
                                  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/poll.h:126:51: note: expanded from macro '__MAP'
           (from < to ? (v & from) * (to/from) : (v & from) / (from/to))
                                                            ^ ~~~~~~~~~
>> drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c:2267:16: warning: taking address of packed member 'hw_tx_obj' of class or structure 'mcp251xfd_tx_obj_load_buf::(anonymous)' may result in an unaligned pointer value [-Waddress-of-packed-member]
                   hw_tx_obj = &load_buf->crc.hw_tx_obj;
                                ^~~~~~~~~~~~~~~~~~~~~~~
   drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c:2269:16: warning: taking address of packed member 'hw_tx_obj' of class or structure 'mcp251xfd_tx_obj_load_buf::(anonymous)' may result in an unaligned pointer value [-Waddress-of-packed-member]
                   hw_tx_obj = &load_buf->nocrc.hw_tx_obj;
                                ^~~~~~~~~~~~~~~~~~~~~~~~~
   4 warnings and 1 error generated.


vim +2267 drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c

55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2214  
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2215  static void
eb79a267c9b3e6 drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c Marc Kleine-Budde 2020-09-30  2216  mcp251xfd_tx_obj_from_skb(const struct mcp251xfd_priv *priv,
eb79a267c9b3e6 drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c Marc Kleine-Budde 2020-09-30  2217  			  struct mcp251xfd_tx_obj *tx_obj,
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2218  			  const struct sk_buff *skb,
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2219  			  unsigned int seq)
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2220  {
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2221  	const struct canfd_frame *cfd = (struct canfd_frame *)skb->data;
eb79a267c9b3e6 drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c Marc Kleine-Budde 2020-09-30  2222  	struct mcp251xfd_hw_tx_obj_raw *hw_tx_obj;
eb79a267c9b3e6 drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c Marc Kleine-Budde 2020-09-30  2223  	union mcp251xfd_tx_obj_load_buf *load_buf;
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2224  	u8 dlc;
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2225  	u32 id, flags;
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2226  	int offset, len;
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2227  
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2228  	if (cfd->can_id & CAN_EFF_FLAG) {
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2229  		u32 sid, eid;
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2230  
eb79a267c9b3e6 drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c Marc Kleine-Budde 2020-09-30  2231  		sid = FIELD_GET(MCP251XFD_REG_FRAME_EFF_SID_MASK, cfd->can_id);
eb79a267c9b3e6 drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c Marc Kleine-Budde 2020-09-30  2232  		eid = FIELD_GET(MCP251XFD_REG_FRAME_EFF_EID_MASK, cfd->can_id);
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2233  
eb79a267c9b3e6 drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c Marc Kleine-Budde 2020-09-30  2234  		id = FIELD_PREP(MCP251XFD_OBJ_ID_EID_MASK, eid) |
eb79a267c9b3e6 drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c Marc Kleine-Budde 2020-09-30  2235  			FIELD_PREP(MCP251XFD_OBJ_ID_SID_MASK, sid);
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2236  
eb79a267c9b3e6 drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c Marc Kleine-Budde 2020-09-30  2237  		flags = MCP251XFD_OBJ_FLAGS_IDE;
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2238  	} else {
eb79a267c9b3e6 drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c Marc Kleine-Budde 2020-09-30  2239  		id = FIELD_PREP(MCP251XFD_OBJ_ID_SID_MASK, cfd->can_id);
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2240  		flags = 0;
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2241  	}
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2242  
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2243  	/* Use the MCP2518FD mask even on the MCP2517FD. It doesn't
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2244  	 * harm, only the lower 7 bits will be transferred into the
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2245  	 * TEF object.
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2246  	 */
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2247  	dlc = can_len2dlc(cfd->len);
eb79a267c9b3e6 drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c Marc Kleine-Budde 2020-09-30  2248  	flags |= FIELD_PREP(MCP251XFD_OBJ_FLAGS_SEQ_MCP2518FD_MASK, seq) |
eb79a267c9b3e6 drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c Marc Kleine-Budde 2020-09-30  2249  		FIELD_PREP(MCP251XFD_OBJ_FLAGS_DLC, dlc);
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2250  
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2251  	if (cfd->can_id & CAN_RTR_FLAG)
eb79a267c9b3e6 drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c Marc Kleine-Budde 2020-09-30  2252  		flags |= MCP251XFD_OBJ_FLAGS_RTR;
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2253  
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2254  	/* CANFD */
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2255  	if (can_is_canfd_skb(skb)) {
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2256  		if (cfd->flags & CANFD_ESI)
eb79a267c9b3e6 drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c Marc Kleine-Budde 2020-09-30  2257  			flags |= MCP251XFD_OBJ_FLAGS_ESI;
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2258  
eb79a267c9b3e6 drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c Marc Kleine-Budde 2020-09-30  2259  		flags |= MCP251XFD_OBJ_FLAGS_FDF;
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2260  
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2261  		if (cfd->flags & CANFD_BRS)
eb79a267c9b3e6 drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c Marc Kleine-Budde 2020-09-30  2262  			flags |= MCP251XFD_OBJ_FLAGS_BRS;
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2263  	}
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2264  
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2265  	load_buf = &tx_obj->buf;
eb79a267c9b3e6 drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c Marc Kleine-Budde 2020-09-30  2266  	if (priv->devtype_data.quirks & MCP251XFD_QUIRK_CRC_TX)
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18 @2267  		hw_tx_obj = &load_buf->crc.hw_tx_obj;
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2268  	else
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2269  		hw_tx_obj = &load_buf->nocrc.hw_tx_obj;
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2270  
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2271  	put_unaligned_le32(id, &hw_tx_obj->id);
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2272  	put_unaligned_le32(flags, &hw_tx_obj->flags);
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2273  
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2274  	/* Clear data at end of CAN frame */
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2275  	offset = round_down(cfd->len, sizeof(u32));
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2276  	len = round_up(can_dlc2len(dlc), sizeof(u32)) - offset;
eb79a267c9b3e6 drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c Marc Kleine-Budde 2020-09-30  2277  	if (MCP251XFD_SANITIZE_CAN && len)
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2278  		memset(hw_tx_obj->data + offset, 0x0, len);
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2279  	memcpy(hw_tx_obj->data, cfd->data, cfd->len);
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2280  
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2281  	/* Number of bytes to be written into the RAM of the controller */
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2282  	len = sizeof(hw_tx_obj->id) + sizeof(hw_tx_obj->flags);
eb79a267c9b3e6 drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c Marc Kleine-Budde 2020-09-30  2283  	if (MCP251XFD_SANITIZE_CAN)
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2284  		len += round_up(can_dlc2len(dlc), sizeof(u32));
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2285  	else
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2286  		len += round_up(cfd->len, sizeof(u32));
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2287  
eb79a267c9b3e6 drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c Marc Kleine-Budde 2020-09-30  2288  	if (priv->devtype_data.quirks & MCP251XFD_QUIRK_CRC_TX) {
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2289  		u16 crc;
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2290  
eb79a267c9b3e6 drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c Marc Kleine-Budde 2020-09-30  2291  		mcp251xfd_spi_cmd_crc_set_len_in_ram(&load_buf->crc.cmd,
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2292  						     len);
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2293  		/* CRC */
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2294  		len += sizeof(load_buf->crc.cmd);
eb79a267c9b3e6 drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c Marc Kleine-Budde 2020-09-30  2295  		crc = mcp251xfd_crc16_compute(&load_buf->crc, len);
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2296  		put_unaligned_be16(crc, (void *)load_buf + len);
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2297  
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2298  		/* Total length */
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2299  		len += sizeof(load_buf->crc.crc);
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2300  	} else {
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2301  		len += sizeof(load_buf->nocrc.cmd);
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2302  	}
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2303  
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2304  	tx_obj->xfer[0].len = len;
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2305  }
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2306  

:::::: The code at line 2267 was first introduced by commit
:::::: 55e5b97f003e85e66babb55f357627d52081a264 can: mcp25xxfd: add driver for Microchip MCP25xxFD SPI CAN

:::::: TO: Marc Kleine-Budde <mkl@pengutronix.de>
:::::: CC: Marc Kleine-Budde <mkl@pengutronix.de>

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

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^ permalink raw reply	[flat|nested] 4+ messages in thread
* drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c:2267:16: warning: taking address of packed member 'hw_tx_obj' of class or structure 'mcp251xfd_tx_obj_load_buf::(anonymous)' may result in an unaligned pointer value
@ 2021-03-27 10:16 kernel test robot
  2021-03-29  6:48 ` Marc Kleine-Budde
  0 siblings, 1 reply; 4+ messages in thread
From: kernel test robot @ 2021-03-27 10:16 UTC (permalink / raw)
  To: Marc Kleine-Budde; +Cc: kbuild-all, clang-built-linux, linux-kernel

[-- Attachment #1: Type: text/plain, Size: 16474 bytes --]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   0f4498cef9f5cd18d7c6639a2a902ec1edc5be4e
commit: eb79a267c9b3e608e7762a1b221428f37ace3aa3 can: mcp251xfd: rename all remaining occurrence to mcp251xfd
date:   6 months ago
config: mips-randconfig-r035-20210327 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project d50fe9f0d6b9ee61df8830a67ea0a33c27a637e7)
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 mips cross compiling tool for clang build
        # apt-get install binutils-mips-linux-gnu
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=eb79a267c9b3e608e7762a1b221428f37ace3aa3
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout eb79a267c9b3e608e7762a1b221428f37ace3aa3
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=mips 

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

All warnings (new ones prefixed by >>):

   In file included from drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c:19:
   In file included from include/linux/netdevice.h:37:
   In file included from include/linux/ethtool.h:18:
   In file included from include/uapi/linux/ethtool.h:19:
   In file included from include/linux/if_ether.h:19:
   In file included from include/linux/skbuff.h:28:
   In file included from include/net/checksum.h:22:
   arch/mips/include/asm/checksum.h:195:9: error: unsupported inline asm: input with type 'unsigned long' matching output with type '__wsum' (aka 'unsigned int')
           : "0" ((__force unsigned long)daddr),
                  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
   In file included from drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c:26:
   In file included from drivers/net/can/spi/mcp251xfd/mcp251xfd.h:14:
   In file included from include/linux/can/dev.h:21:
   In file included from include/linux/can/skb.h:17:
   In file included from include/net/sock.h:61:
   include/linux/poll.h:142:27: warning: division by zero is undefined [-Wdivision-by-zero]
                   M(RDNORM) | M(RDBAND) | M(WRNORM) | M(WRBAND) |
                                           ^~~~~~~~~
   include/linux/poll.h:140:32: note: expanded from macro 'M'
   #define M(X) (__force __poll_t)__MAP(val, POLL##X, (__force __u16)EPOLL##X)
                                  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/poll.h:126:51: note: expanded from macro '__MAP'
           (from < to ? (v & from) * (to/from) : (v & from) / (from/to))
                                                            ^ ~~~~~~~~~
   include/linux/poll.h:142:39: warning: division by zero is undefined [-Wdivision-by-zero]
                   M(RDNORM) | M(RDBAND) | M(WRNORM) | M(WRBAND) |
                                                       ^~~~~~~~~
   include/linux/poll.h:140:32: note: expanded from macro 'M'
   #define M(X) (__force __poll_t)__MAP(val, POLL##X, (__force __u16)EPOLL##X)
                                  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/poll.h:126:51: note: expanded from macro '__MAP'
           (from < to ? (v & from) * (to/from) : (v & from) / (from/to))
                                                            ^ ~~~~~~~~~
>> drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c:2267:16: warning: taking address of packed member 'hw_tx_obj' of class or structure 'mcp251xfd_tx_obj_load_buf::(anonymous)' may result in an unaligned pointer value [-Waddress-of-packed-member]
                   hw_tx_obj = &load_buf->crc.hw_tx_obj;
                                ^~~~~~~~~~~~~~~~~~~~~~~
   drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c:2269:16: warning: taking address of packed member 'hw_tx_obj' of class or structure 'mcp251xfd_tx_obj_load_buf::(anonymous)' may result in an unaligned pointer value [-Waddress-of-packed-member]
                   hw_tx_obj = &load_buf->nocrc.hw_tx_obj;
                                ^~~~~~~~~~~~~~~~~~~~~~~~~
   4 warnings and 1 error generated.


vim +2267 drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c

55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2214  
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2215  static void
eb79a267c9b3e6 drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c Marc Kleine-Budde 2020-09-30  2216  mcp251xfd_tx_obj_from_skb(const struct mcp251xfd_priv *priv,
eb79a267c9b3e6 drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c Marc Kleine-Budde 2020-09-30  2217  			  struct mcp251xfd_tx_obj *tx_obj,
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2218  			  const struct sk_buff *skb,
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2219  			  unsigned int seq)
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2220  {
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2221  	const struct canfd_frame *cfd = (struct canfd_frame *)skb->data;
eb79a267c9b3e6 drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c Marc Kleine-Budde 2020-09-30  2222  	struct mcp251xfd_hw_tx_obj_raw *hw_tx_obj;
eb79a267c9b3e6 drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c Marc Kleine-Budde 2020-09-30  2223  	union mcp251xfd_tx_obj_load_buf *load_buf;
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2224  	u8 dlc;
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2225  	u32 id, flags;
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2226  	int offset, len;
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2227  
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2228  	if (cfd->can_id & CAN_EFF_FLAG) {
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2229  		u32 sid, eid;
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2230  
eb79a267c9b3e6 drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c Marc Kleine-Budde 2020-09-30  2231  		sid = FIELD_GET(MCP251XFD_REG_FRAME_EFF_SID_MASK, cfd->can_id);
eb79a267c9b3e6 drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c Marc Kleine-Budde 2020-09-30  2232  		eid = FIELD_GET(MCP251XFD_REG_FRAME_EFF_EID_MASK, cfd->can_id);
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2233  
eb79a267c9b3e6 drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c Marc Kleine-Budde 2020-09-30  2234  		id = FIELD_PREP(MCP251XFD_OBJ_ID_EID_MASK, eid) |
eb79a267c9b3e6 drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c Marc Kleine-Budde 2020-09-30  2235  			FIELD_PREP(MCP251XFD_OBJ_ID_SID_MASK, sid);
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2236  
eb79a267c9b3e6 drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c Marc Kleine-Budde 2020-09-30  2237  		flags = MCP251XFD_OBJ_FLAGS_IDE;
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2238  	} else {
eb79a267c9b3e6 drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c Marc Kleine-Budde 2020-09-30  2239  		id = FIELD_PREP(MCP251XFD_OBJ_ID_SID_MASK, cfd->can_id);
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2240  		flags = 0;
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2241  	}
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2242  
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2243  	/* Use the MCP2518FD mask even on the MCP2517FD. It doesn't
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2244  	 * harm, only the lower 7 bits will be transferred into the
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2245  	 * TEF object.
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2246  	 */
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2247  	dlc = can_len2dlc(cfd->len);
eb79a267c9b3e6 drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c Marc Kleine-Budde 2020-09-30  2248  	flags |= FIELD_PREP(MCP251XFD_OBJ_FLAGS_SEQ_MCP2518FD_MASK, seq) |
eb79a267c9b3e6 drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c Marc Kleine-Budde 2020-09-30  2249  		FIELD_PREP(MCP251XFD_OBJ_FLAGS_DLC, dlc);
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2250  
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2251  	if (cfd->can_id & CAN_RTR_FLAG)
eb79a267c9b3e6 drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c Marc Kleine-Budde 2020-09-30  2252  		flags |= MCP251XFD_OBJ_FLAGS_RTR;
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2253  
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2254  	/* CANFD */
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2255  	if (can_is_canfd_skb(skb)) {
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2256  		if (cfd->flags & CANFD_ESI)
eb79a267c9b3e6 drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c Marc Kleine-Budde 2020-09-30  2257  			flags |= MCP251XFD_OBJ_FLAGS_ESI;
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2258  
eb79a267c9b3e6 drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c Marc Kleine-Budde 2020-09-30  2259  		flags |= MCP251XFD_OBJ_FLAGS_FDF;
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2260  
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2261  		if (cfd->flags & CANFD_BRS)
eb79a267c9b3e6 drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c Marc Kleine-Budde 2020-09-30  2262  			flags |= MCP251XFD_OBJ_FLAGS_BRS;
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2263  	}
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2264  
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2265  	load_buf = &tx_obj->buf;
eb79a267c9b3e6 drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c Marc Kleine-Budde 2020-09-30  2266  	if (priv->devtype_data.quirks & MCP251XFD_QUIRK_CRC_TX)
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18 @2267  		hw_tx_obj = &load_buf->crc.hw_tx_obj;
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2268  	else
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2269  		hw_tx_obj = &load_buf->nocrc.hw_tx_obj;
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2270  
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2271  	put_unaligned_le32(id, &hw_tx_obj->id);
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2272  	put_unaligned_le32(flags, &hw_tx_obj->flags);
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2273  
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2274  	/* Clear data at end of CAN frame */
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2275  	offset = round_down(cfd->len, sizeof(u32));
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2276  	len = round_up(can_dlc2len(dlc), sizeof(u32)) - offset;
eb79a267c9b3e6 drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c Marc Kleine-Budde 2020-09-30  2277  	if (MCP251XFD_SANITIZE_CAN && len)
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2278  		memset(hw_tx_obj->data + offset, 0x0, len);
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2279  	memcpy(hw_tx_obj->data, cfd->data, cfd->len);
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2280  
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2281  	/* Number of bytes to be written into the RAM of the controller */
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2282  	len = sizeof(hw_tx_obj->id) + sizeof(hw_tx_obj->flags);
eb79a267c9b3e6 drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c Marc Kleine-Budde 2020-09-30  2283  	if (MCP251XFD_SANITIZE_CAN)
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2284  		len += round_up(can_dlc2len(dlc), sizeof(u32));
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2285  	else
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2286  		len += round_up(cfd->len, sizeof(u32));
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2287  
eb79a267c9b3e6 drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c Marc Kleine-Budde 2020-09-30  2288  	if (priv->devtype_data.quirks & MCP251XFD_QUIRK_CRC_TX) {
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2289  		u16 crc;
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2290  
eb79a267c9b3e6 drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c Marc Kleine-Budde 2020-09-30  2291  		mcp251xfd_spi_cmd_crc_set_len_in_ram(&load_buf->crc.cmd,
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2292  						     len);
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2293  		/* CRC */
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2294  		len += sizeof(load_buf->crc.cmd);
eb79a267c9b3e6 drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c Marc Kleine-Budde 2020-09-30  2295  		crc = mcp251xfd_crc16_compute(&load_buf->crc, len);
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2296  		put_unaligned_be16(crc, (void *)load_buf + len);
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2297  
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2298  		/* Total length */
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2299  		len += sizeof(load_buf->crc.crc);
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2300  	} else {
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2301  		len += sizeof(load_buf->nocrc.cmd);
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2302  	}
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2303  
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2304  	tx_obj->xfer[0].len = len;
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2305  }
55e5b97f003e85 drivers/net/can/spi/mcp25xxfd/mcp25xxfd-core.c Marc Kleine-Budde 2020-09-18  2306  

:::::: The code at line 2267 was first introduced by commit
:::::: 55e5b97f003e85e66babb55f357627d52081a264 can: mcp25xxfd: add driver for Microchip MCP25xxFD SPI CAN

:::::: TO: Marc Kleine-Budde <mkl@pengutronix.de>
:::::: CC: Marc Kleine-Budde <mkl@pengutronix.de>

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

[-- Attachment #2: .config.gz --]
[-- Type: application/gzip, Size: 31063 bytes --]

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-- links below jump to the message on this page --
2021-07-01  7:25 drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c:2267:16: warning: taking address of packed member 'hw_tx_obj' of class or structure 'mcp251xfd_tx_obj_load_buf::(anonymous)' may result in an unaligned pointer value kernel test robot
2021-07-14 19:53 ` Marc Kleine-Budde
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2021-03-29  6:48 ` Marc Kleine-Budde

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