Hi Peng,
[auto build test results on v4.3-rc2 -- if it's inappropriate base, please ignore]
config: x86_64-randconfig-x005-09251258 (attached as .config)
reproduce:
git checkout c66af182efac4295052614803f6e2fa5c6bb7a46
# save the attached .config to linux build tree
make ARCH=x86_64
All warnings (new ones prefixed by >>):
fs/nfs/nfs4file.c: In function 'nfs4_ioctl':
>> fs/nfs/nfs4file.c:305:15: warning: unused variable 'argp' [-Wunused-variable]
void __user *argp = (void __user *)arg;
^
vim +/argp +305 fs/nfs/nfs4file.c
289 return ret;
290 }
291
292 static long nfs42_ioctl_clone_range(struct file *dst_file, void __user *argp)
293 {
294 struct nfs_ioctl_clone_range_args args;
295
296 if (copy_from_user(&args, argp, sizeof(args)))
297 return -EFAULT;
298
299 return nfs42_ioctl_clone(dst_file, args.src_fd, args.src_off, args.dst_off, args.count);
300 }
301 #endif /* CONFIG_NFS_V4_2 */
302
303 long nfs4_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
304 {
> 305 void __user *argp = (void __user *)arg;
306
307 switch (cmd) {
308 #ifdef CONFIG_NFS_V4_2
309 case NFS_IOC_CLONE:
310 return nfs42_ioctl_clone(file, arg, 0, 0, 0);
311 case NFS_IOC_CLONE_RANGE:
312 return nfs42_ioctl_clone_range(file, argp);
313 #endif
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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