UPSTREAM: net: tls, update curr on splice as well

commit c5a59500 upstream.

The curr pointer must also be updated on the splice similar to how
we do this for other copy types.

Bug: 322282717
Fixes: d829e9c4 ("tls: convert to generic sk_msg interface")
Signed-off-by: John Fastabend <john.fastabend@gmail.com>
Reported-by: Jann Horn <jannh@google.com>
Link: https://lore.kernel.org/r/20231206232706.374377-2-john.fastabend@gmail.com


Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
(cherry picked from commit ba5efd8544fa62ae85daeb36077468bf2ce974ab)
Signed-off-by: Lee Jones <joneslee@google.com>
Change-Id: If942207e6338993096c9fbc8ce4c23a6bbecaf2e