Commit d0f2eb44 authored by Claudio Imbrenda's avatar Claudio Imbrenda
Browse files

KVM: s390: vsie: Fix memory leak when unshadowing 



When performing a partial unshadowing, the rmap was being leaked.

Add the missing kfree().

Fixes: a2c17f92 ("KVM: s390: New gmap code")
Signed-off-by: default avatarClaudio Imbrenda <imbrenda@linux.ibm.com>
Reviewed-by: default avatarChristoph Schlameuss <schlameuss@linux.ibm.com>
Reviewed-by: default avatarChristian Borntraeger <borntraeger@linux.ibm.com>
Signed-off-by: default avatarChristian Borntraeger <borntraeger@linux.ibm.com>
parent 6779b50f

arch/s390/kvm/gmap.c

+3 −1
Original line number Diff line number Diff line
@@ -1143,8 +1143,10 @@ void _gmap_handle_vsie_unshadow_event(struct gmap *parent, gfn_t gfn) 
		}

		scoped_guard(spinlock, &sg->host_to_rmap_lock)

			head = radix_tree_delete(&sg->host_to_rmap, gfn);

		gmap_for_each_rmap_safe(rmap, rnext, head)

		gmap_for_each_rmap_safe(rmap, rnext, head) {

			gmap_unshadow_level(sg, rmap->r_gfn, rmap->level);

			kfree(rmap);

		}

	}

}