[linux-next:master 11802/12015] drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_chardev.c:1254:25: error: unused variable 'svms'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   7800ca95d0ed11b492962dc3abc2181c9d5f7f82
commit: 670e71ded7495930883f17a604b1f3ad90bf1d2f [11802/12015] Merge remote-tracking branch 'amdgpu/drm-next'
config: x86_64-randconfig-a001-20210906 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=670e71ded7495930883f17a604b1f3ad90bf1d2f
        git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
        git fetch --no-tags linux-next master
        git checkout 670e71ded7495930883f17a604b1f3ad90bf1d2f
        # save the attached .config to linux build tree
        make W=1 ARCH=x86_64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <redacted>

All errors (new ones prefixed by >>):

   drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_chardev.c: In function 'kfd_ioctl_alloc_memory_of_gpu':

quoted

drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_chardev.c:1254:25: error: unused variable 'svms' [-Werror=unused-variable]

    1254 |  struct svm_range_list *svms = &p->svms;
         |                         ^~~~
   cc1: all warnings being treated as errors


vim +/svms +1254 drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_chardev.c

5ec7e02854b3b9 Felix Kuehling 2018-03-15  1246  
5ec7e02854b3b9 Felix Kuehling 2018-03-15  1247  static int kfd_ioctl_alloc_memory_of_gpu(struct file *filep,
5ec7e02854b3b9 Felix Kuehling 2018-03-15  1248  					struct kfd_process *p, void *data)
5ec7e02854b3b9 Felix Kuehling 2018-03-15  1249  {
5ec7e02854b3b9 Felix Kuehling 2018-03-15  1250  	struct kfd_ioctl_alloc_memory_of_gpu_args *args = data;
5ec7e02854b3b9 Felix Kuehling 2018-03-15  1251  	struct kfd_process_device *pdd;
5ec7e02854b3b9 Felix Kuehling 2018-03-15  1252  	void *mem;
5ec7e02854b3b9 Felix Kuehling 2018-03-15  1253  	struct kfd_dev *dev;
4a4e5b957c8f91 Alex Sierra    2021-06-07 @1254  	struct svm_range_list *svms = &p->svms;
5ec7e02854b3b9 Felix Kuehling 2018-03-15  1255  	int idr_handle;
5ec7e02854b3b9 Felix Kuehling 2018-03-15  1256  	long err;
5ec7e02854b3b9 Felix Kuehling 2018-03-15  1257  	uint64_t offset = args->mmap_offset;
5ec7e02854b3b9 Felix Kuehling 2018-03-15  1258  	uint32_t flags = args->flags;
5ec7e02854b3b9 Felix Kuehling 2018-03-15  1259  
5ec7e02854b3b9 Felix Kuehling 2018-03-15  1260  	if (args->size == 0)
5ec7e02854b3b9 Felix Kuehling 2018-03-15  1261  		return -EINVAL;
5ec7e02854b3b9 Felix Kuehling 2018-03-15  1262  

:::::: The code at line 1254 was first introduced by commit
:::::: 4a4e5b957c8f9132989df0fa8a864f47688159f1 drm/amdkfd: avoid conflicting address mappings

:::::: TO: Alex Sierra [off-list ref]
:::::: CC: Alex Deucher [off-list ref]

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