1:50 p.m.
tree: https://github.com/esmil/linux visionfive
head: e46c3a7e373e6faa03399f1a41c29cf7546c37cb
commit: 22c69dadd3685e2d35fb43f4da3bb7fe43f2548c [72/80] nvdla: add NVDLA driver
config: i386-allyesconfig
(https://download.01.org/0day-ci/archive/20220119/202201191052.0lVZjaZf-lk...)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
# https://github.com/esmil/linux/commit/22c69dadd3685e2d35fb43f4da3bb7fe43f...
git remote add esmil https://github.com/esmil/linux
git fetch --no-tags esmil visionfive
git checkout 22c69dadd3685e2d35fb43f4da3bb7fe43f2548c
# save the config file to linux build tree
mkdir build_dir
make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/nvdla/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
All warnings (new ones prefixed by >>):
drivers/nvdla/nvdla_gem.c: In function 'nvdla_fill_task_desc':
> drivers/nvdla/nvdla_gem.c:74:3: warning: cast to pointer from
integer of different size [-Wint-to-pointer-cast]
74 | (void __user
*)local_task->address_list,
| ^
vim +74 drivers/nvdla/nvdla_gem.c
58
59 static int32_t nvdla_fill_task_desc(struct nvdla_ioctl_submit_task *local_task,
60 struct nvdla_task *task)
61 {
62 struct nvdla_mem_handle *handles;
63
64 /* update task desc fields */
65 task->num_addresses = local_task->num_addresses;
66
67 handles = kzalloc(local_task->num_addresses *
68 sizeof(struct nvdla_mem_handle), GFP_KERNEL);
69 if (handles == NULL)
70 return -EFAULT;
71
72 /* get user addresses list */
73 if (copy_from_user(handles,
74 (void __user *)local_task->address_list,
75 (task->num_addresses *
76 sizeof(struct nvdla_mem_handle)))) {
77 pr_err("failed to copy address list from user ptr\n");
78 kfree(handles);
79 return -EFAULT;
80 }
81
82 task->address_list = handles;
83 return 0;
84 }
85
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org