[gustavoars:testing/WFAMNAE-next20240223 1/1] drivers/rpmsg/qcom_glink_native.c:832:7: error: static assertion failed due to requirement '__builtin_types_compatible_p(struct glink_msg, struct glink_msg_hdr) || __builtin_types_compatible_p(struct glink_msg, void)': pointer type mismatch in container_o...

[kernel test robot <lkp@intel.com>]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux.git testing/WFAMNAE-next20240223
head:   b23fc9e6ff31f4ef9e8de5580963cf53579ef0d4
commit: b23fc9e6ff31f4ef9e8de5580963cf53579ef0d4 [1/1] treewide: Address -Wflexible-array-member-not-at-end warnings
config: arm-randconfig-003-20240225 (https://download.01.org/0day-ci/archive/20240225/202402252045.eiZZhW0P-lkp@intel.com/config)
compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project edd4aee4dd9b5b98b2576a6f783e4086173d902a)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240225/202402252045.eiZZhW0P-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/202402252045.eiZZhW0P-lkp@intel.com/

All errors (new ones prefixed by >>):

>> drivers/rpmsg/qcom_glink_native.c:832:7: error: static assertion failed due to requirement '__builtin_types_compatible_p(struct glink_msg, struct glink_msg_hdr) || __builtin_types_compatible_p(struct glink_msg, void)': pointer type mismatch in container_of()
     832 |                            container_of(&dcmd->msg, struct glink_msg, hdr), 0,
         |                            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/container_of.h:20:16: note: expanded from macro 'container_of'
      20 |         static_assert(__same_type(*(ptr), ((type *)0)->member) ||       \
         |         ~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      21 |                       __same_type(*(ptr), void),                        \
         |                       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      22 |                       "pointer type mismatch in container_of()");       \
         |                       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/compiler_types.h:390:27: note: expanded from macro '__same_type'
     390 | #define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b))
         |                           ^
   include/linux/build_bug.h:77:50: note: expanded from macro 'static_assert'
      77 | #define static_assert(expr, ...) __static_assert(expr, ##__VA_ARGS__, #expr)
         |                                  ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/build_bug.h:78:56: note: expanded from macro '__static_assert'
      78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
         |                                                        ^~~~
   drivers/rpmsg/qcom_glink_native.c:1692:9: error: static assertion failed due to requirement '__builtin_types_compatible_p(struct glink_msg, struct glink_msg_hdr) || __builtin_types_compatible_p(struct glink_msg, void)': pointer type mismatch in container_of()
    1692 |                 msg = container_of(&dcmd->msg, struct glink_msg, hdr);
         |                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/container_of.h:20:16: note: expanded from macro 'container_of'
      20 |         static_assert(__same_type(*(ptr), ((type *)0)->member) ||       \
         |         ~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      21 |                       __same_type(*(ptr), void),                        \
         |                       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      22 |                       "pointer type mismatch in container_of()");       \
         |                       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/compiler_types.h:390:27: note: expanded from macro '__same_type'
     390 | #define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b))
         |                           ^
   include/linux/build_bug.h:77:50: note: expanded from macro 'static_assert'
      77 | #define static_assert(expr, ...) __static_assert(expr, ##__VA_ARGS__, #expr)
         |                                  ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/build_bug.h:78:56: note: expanded from macro '__static_assert'
      78 | #define __static_assert(expr, msg, ...) _Static_assert(expr, msg)
         |                                                        ^~~~
   2 errors generated.


vim +832 drivers/rpmsg/qcom_glink_native.c

   813	
   814	static int qcom_glink_rx_defer(struct qcom_glink *glink, size_t extra)
   815	{
   816		struct glink_defer_cmd *dcmd;
   817	
   818		extra = ALIGN(extra, 8);
   819	
   820		if (qcom_glink_rx_avail(glink) < sizeof(struct glink_msg) + extra) {
   821			dev_dbg(glink->dev, "Insufficient data in rx fifo");
   822			return -ENXIO;
   823		}
   824	
   825		dcmd = kzalloc(struct_size(dcmd, data, extra), GFP_ATOMIC);
   826		if (!dcmd)
   827			return -ENOMEM;
   828	
   829		INIT_LIST_HEAD(&dcmd->node);
   830	
   831		qcom_glink_rx_peek(glink,
 > 832				   container_of(&dcmd->msg, struct glink_msg, hdr), 0,
   833				   sizeof(dcmd->msg) + extra);
   834	
   835		spin_lock(&glink->rx_lock);
   836		list_add_tail(&dcmd->node, &glink->rx_queue);
   837		spin_unlock(&glink->rx_lock);
   838	
   839		schedule_work(&glink->rx_work);
   840		qcom_glink_rx_advance(glink, sizeof(dcmd->msg) + extra);
   841	
   842		return 0;
   843	}
   844	

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