Re: [PATCH] mm: Optimizing error condition detection in do_mprotect_pkey()

[Andrew Morton]

On Wed, 20 Jan 2021 16:29:20 +0200 Jarkko Sakkinen <jarkko@xxxxxxxxxx> wrote:

> 
> 
> On Mon, Jan 18, 2021 at 09:33:10PM +0800, Tianjia Zhang wrote:
> > Obviously, the error variable detection of the if statement is
> > for the mprotect callback function, so it is also put into the
> > scope of calling callbck.
> > 
> > Reported-by: Jia Zhang <zhang.jia@xxxxxxxxxxxxxxxxx>
> > Signed-off-by: Tianjia Zhang <tianjia.zhang@xxxxxxxxxxxxxxxxx>
> 
> No fixes tag, no description what this commit does. Nothing
> makes sense to me.

It's a little cleanup.  Makes the flow at this site consistent with the
other places where this function handles errors.  I added a bit to the
changelog mentioning this.