KVM: s390: Fix code typo in gmap_protect_asce_top_level()

The correct length to pass to kvm_s390_get_guest_pages() is asce.tl + 1,
not asce.dt + 1. It was a typo, which, due to fortuitous circumstances,
did not cause bugs. It should nonetheless be fixed.

Fixes: e5f98a6899bd ("KVM: s390: Add some helper functions needed for vSIE")
Signed-off-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Message-ID: <20260623153331.233784-5-imbrenda@linux.ibm.com>

diff --git a/arch/s390/kvm/gmap.c b/arch/s390/kvm/gmap.c
index 3192f610f696276f96f1dc544338994e1fdcbe1b..e6e786811db863b6ed9a517b50ebfcb5bdf12f16 100644 (file)
--- a/arch/s390/kvm/gmap.c
+++ b/arch/s390/kvm/gmap.c
@@ -1262,7 +1262,7 @@ static int gmap_protect_asce_top_level(struct kvm_s390_mmu_cache *mc, struct gma
        /* Pairs with the smp_wmb() in kvm_mmu_invalidate_end(). */
        smp_rmb();
 
-       rc = kvm_s390_get_guest_pages(sg->kvm, context.f, asce.rsto, asce.dt + 1, false);
+       rc = kvm_s390_get_guest_pages(sg->kvm, context.f, asce.rsto, asce.tl + 1, false);
        if (rc > 0)
                rc = -EFAULT;
        if (!rc)