Re: [PATCH v2 5/5] misc: mlx5ctl: Add umem reg/unreg ioctl

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

Hi Saeed,

kernel test robot noticed the following build errors:

[auto build test ERROR on char-misc/char-misc-testing]
[also build test ERROR on rdma/for-next linus/master v6.7-rc1 next-20231117]
[cannot apply to char-misc/char-misc-next char-misc/char-misc-linus soc/for-next]
[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/Saeed-Mahameed/misc-mlx5ctl-Add-mlx5ctl-misc-driver/20231119-215311
base:   char-misc/char-misc-testing
patch link:    https://lore.kernel.org/r/20231119092450.164996-6-saeed%40kernel.org
patch subject: [PATCH v2 5/5] misc: mlx5ctl: Add umem reg/unreg ioctl
config: i386-allmodconfig (https://download.01.org/0day-ci/archive/20231120/202311200346.0gytNeOc-lkp@intel.com/config)
compiler: clang version 16.0.4 (https://github.com/llvm/llvm-project.git ae42196bc493ffe877a7e3dff8be32035dea4d07)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231120/202311200346.0gytNeOc-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/202311200346.0gytNeOc-lkp@intel.com/

All errors (new ones prefixed by >>):

>> drivers/misc/mlx5ctl/main.c:441:25: error: called object type 'void *' is not a function or function pointer
           return compat_ptr_ioctl(file, cmd, arg);
                  ~~~~~~~~~~~~~~~~^
   1 error generated.


vim +441 drivers/misc/mlx5ctl/main.c

   434	
   435	static long mlx5ctl_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
   436	{
   437		if (cmd == MLX5CTL_IOCTL_UMEM_UNREG) /* arg is a scalar */
   438			return mlx5ctl_ioctl(file, cmd, arg);
   439	
   440		/* arg is a pointer */
 > 441		return compat_ptr_ioctl(file, cmd, arg);
   442	}
   443	

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