KVM: s390: ucontrol: Fix memslot handling

Fix memslots handling for UCONTROL guests. Attempts to delete user
memslots will fail, as they should, without the risk of a NULL pointer
dereference.

Fixes: 413c98f24c ("KVM: s390: fake memslot for ucontrol VMs")
Reviewed-by: Steffen Eiden <seiden@linux.ibm.com>
Signed-off-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
This commit is contained in:
Claudio Imbrenda 2026-04-02 17:01:35 +02:00
commit 9b8e8aad58