From: Al Viro
> Sent: 21 September 2020 16:11
> On Mon, Sep 21, 2020 at 03:05:32PM +, David Laight wrote:
>
> > I've actually no idea:
> > 1) Why there is an access_ok() check here.
> >It will be repeated by the user copy functions.
>
> Early sanity check.
>
> > 2) Why it isn't done when
On Mon, Sep 21, 2020 at 03:05:32PM +, David Laight wrote:
> I've actually no idea:
> 1) Why there is an access_ok() check here.
>It will be repeated by the user copy functions.
Early sanity check.
> 2) Why it isn't done when called from mm/process_vm_access.c.
>Ok, the addresses refe
On Mon, Sep 21, 2020 at 04:34:27PM +0200, Christoph Hellwig wrote:
> Explicitly check for the magic value insted of implicitly relying on
> its numeric representation. Also drop the rather pointless unlikely
> annotation.
See above - I would rather have CHECK_IOVEC_ONLY gone.
The reason for doi
From: Christoph Hellwig
> Sent: 21 September 2020 15:34
>
> Explicitly check for the magic value insted of implicitly relying on
> its numeric representation. Also drop the rather pointless unlikely
> annotation.
>
> Signed-off-by: Christoph Hellwig
> ---
> lib/iov_iter.c | 5 ++---
> 1 file
Explicitly check for the magic value insted of implicitly relying on
its numeric representation. Also drop the rather pointless unlikely
annotation.
Signed-off-by: Christoph Hellwig
---
lib/iov_iter.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/lib/iov_iter.c b/lib
