Thanks, applying.--b.
On Tue, Apr 08, 2014 at 01:04:01PM +0800, Kinglong Mee wrote:
> Signed-off-by: Kinglong Mee <kinglongmee@xxxxxxxxx>
> ---
> fs/nfsd/fault_inject.c | 15 ++-------------
> 1 file changed, 2 insertions(+), 13 deletions(-)
>
> diff --git a/fs/nfsd/fault_inject.c b/fs/nfsd/fault_inject.c
> index d620e7f..2ed05c3 100644
> --- a/fs/nfsd/fault_inject.c
> +++ b/fs/nfsd/fault_inject.c
> @@ -97,25 +97,14 @@ static ssize_t fault_inject_read(struct file *file,
> char __user *buf,
> {
> static u64 val;
> char read_buf[25];
> - size_t size, ret;
> + size_t size;
> loff_t pos = *ppos;
>
> if (!pos)
> nfsd_inject_get(file_inode(file)->i_private, &val);
> size = scnprintf(read_buf, sizeof(read_buf), "%llu\n", val);
>
> - if (pos < 0)
> - return -EINVAL;
> - if (pos >= size || !len)
> - return 0;
> - if (len > size - pos)
> - len = size - pos;
> - ret = copy_to_user(buf, read_buf + pos, len);
> - if (ret == len)
> - return -EFAULT;
> - len -= ret;
> - *ppos = pos + len;
> - return len;
> + return simple_read_from_buffer(buf, len, ppos, read_buf, size);
> }
>
> static ssize_t fault_inject_write(struct file *file, const char __user
> *buf,
> --
> 1.9.0
>
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