KVM: do not store wqh in irqfd

wqh is unused, so we do not need to store it in irqfd anymore

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>

diff --git a/virt/kvm/eventfd.c b/virt/kvm/eventfd.c
index 486c604..7016319 100644 (file)
--- a/virt/kvm/eventfd.c
+++ b/virt/kvm/eventfd.c
@@ -47,7 +47,6 @@ struct _irqfd {
        int                       gsi;
        struct list_head          list;
        poll_table                pt;
-       wait_queue_head_t        *wqh;
        wait_queue_t              wait;
        struct work_struct        inject;
        struct work_struct        shutdown;
@@ -159,8 +158,6 @@ irqfd_ptable_queue_proc(struct file *file, wait_queue_head_t *wqh,
                        poll_table *pt)
 {
        struct _irqfd *irqfd = container_of(pt, struct _irqfd, pt);
-
-       irqfd->wqh = wqh;
        add_wait_queue(wqh, &irqfd->wait);
 }