Hi Richard,

kernel test robot noticed the following build warnings:

[auto build test WARNING on remoteproc/rpmsg-next]
[also build test WARNING on linus/master v6.12-rc2 next-20241011]
[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/Richard-Weinberger/rpmsg_ns-Work-around-TI-non-standard-message/20241011-204122
base:   https://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux.git 
rpmsg-next
patch link:    https://lore.kernel.org/r/20241011123922.23135-1-richard%40nod.at
patch subject: [PATCH] rpmsg_ns: Work around TI non-standard message
config: x86_64-randconfig-121-20241012 
(https://download.01.org/0day-ci/archive/20241012/202410122348.irtwfe4s-...@intel.com/config)
compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 
3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff)
reproduce (this is a W=1 build): 
(https://download.01.org/0day-ci/archive/20241012/202410122348.irtwfe4s-...@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 <l...@intel.com>
| Closes: 
https://lore.kernel.org/oe-kbuild-all/202410122348.irtwfe4s-...@intel.com/

sparse warnings: (new ones prefixed by >>)
>> drivers/rpmsg/rpmsg_ns.c:55:25: sparse: sparse: incorrect type in assignment 
>> (different base types) @@     expected restricted __rpmsg32 [assigned] 
>> [usertype] ns_addr @@     got unsigned int [usertype] addr @@
   drivers/rpmsg/rpmsg_ns.c:55:25: sparse:     expected restricted __rpmsg32 
[assigned] [usertype] ns_addr
   drivers/rpmsg/rpmsg_ns.c:55:25: sparse:     got unsigned int [usertype] addr
>> drivers/rpmsg/rpmsg_ns.c:56:26: sparse: sparse: incorrect type in assignment 
>> (different base types) @@     expected restricted __rpmsg32 [assigned] 
>> [usertype] ns_flags @@     got unsigned int [usertype] flags @@
   drivers/rpmsg/rpmsg_ns.c:56:26: sparse:     expected restricted __rpmsg32 
[assigned] [usertype] ns_flags
   drivers/rpmsg/rpmsg_ns.c:56:26: sparse:     got unsigned int [usertype] flags

vim +55 drivers/rpmsg/rpmsg_ns.c

    45  
    46          if (len == sizeof(struct rpmsg_ns_msg)) {
    47                  struct rpmsg_ns_msg *msg = data;
    48  
    49                  ns_addr = msg->addr;
    50                  ns_flags = msg->flags;
    51                  ns_name = msg->name;
    52          } else if (len == sizeof(struct __rpmsg_ns_msg_ti)) {
    53                  struct __rpmsg_ns_msg_ti *msg = data;
    54  
  > 55                  ns_addr = msg->addr;
  > 56                  ns_flags = msg->flags;
    57                  ns_name = msg->name;
    58                  dev_warn(dev, "non-standard ns msg found\n");
    59          } else {
    60                  dev_err(dev, "malformed ns msg (%d)\n", len);
    61                  return -EINVAL;
    62          }
    63  
    64          /* don't trust the remote processor for null terminating the 
name */
    65          ns_name[RPMSG_NAME_SIZE - 1] = '\0';
    66  
    67          strscpy_pad(chinfo.name, ns_name, sizeof(chinfo.name));
    68          chinfo.src = RPMSG_ADDR_ANY;
    69          chinfo.dst = rpmsg32_to_cpu(rpdev, ns_addr);
    70  
    71          dev_info(dev, "%sing channel %s addr 0x%x\n",
    72                   rpmsg32_to_cpu(rpdev, ns_flags) & RPMSG_NS_DESTROY ?
    73                   "destroy" : "creat", ns_name, chinfo.dst);
    74  
    75          if (rpmsg32_to_cpu(rpdev, ns_flags) & RPMSG_NS_DESTROY) {
    76                  ret = rpmsg_release_channel(rpdev, &chinfo);
    77                  if (ret)
    78                          dev_err(dev, "rpmsg_destroy_channel failed: 
%d\n", ret);
    79          } else {
    80                  newch = rpmsg_create_channel(rpdev, &chinfo);
    81                  if (!newch)
    82                          dev_err(dev, "rpmsg_create_channel failed\n");
    83          }
    84  
    85          return 0;
    86  }
    87  

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

Reply via email to