Hi Arnd,
If you don't mind, can I integrate this into the original patch in the queue?
Thanks,
On 06/28, Arnd Bergmann wrote:
> Not all architectures support get_user() with a 64-bit argument:
>
> ERROR: "__get_user_bad" [fs/f2fs/f2fs.ko] undefined!
>
> Use copy_from_user() here, this will always work.
>
> Fixes: d2ae7494d043 ("f2fs: ioctl for removing a range from F2FS")
> Signed-off-by: Arnd Bergmann <[email protected]>
> ---
> fs/f2fs/file.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
> index 998affe31419..465853029b8e 100644
> --- a/fs/f2fs/file.c
> +++ b/fs/f2fs/file.c
> @@ -3066,7 +3066,8 @@ static int f2fs_ioc_resize_fs(struct file *filp,
> unsigned long arg)
> if (f2fs_readonly(sbi->sb))
> return -EROFS;
>
> - if (get_user(block_count, (__u64 __user *)arg))
> + if (copy_from_user(&block_count, (void __user *)arg,
> + sizeof(block_count)))
> return -EFAULT;
>
> ret = f2fs_resize_fs(sbi, block_count);
> --
> 2.20.0
