On Thu, May 27, 2010 at 07:01:58PM +0900, Takuya Yoshikawa wrote:
> copy_to/from_user() returns the number of bytes that could not be copied.
>
> So we need to check if it is not zero, and in that case, we should return
> the error number -EFAULT rather than directly return the return value from
>
copy_to/from_user() returns the number of bytes that could not be copied.
So we need to check if it is not zero, and in that case, we should return
the error number -EFAULT rather than directly return the return value from
copy_to/from_user().
Signed-off-by: Takuya Yoshikawa
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drivers/vhost/n
