1 files changed, 2 insertions, 19 deletions

diff --git a/drivers/xen/evtchn.c b/drivers/xen/evtchn.c
index 8feecf01d55c..b6165e047f48 100644
--- a/drivers/xen/evtchn.c
+++ b/drivers/xen/evtchn.c
@@ -379,18 +379,12 @@ static long evtchn_ioctl(struct file *file,
                 if (unbind.port >= NR_EVENT_CHANNELS)
                         break;
 
-                spin_lock_irq(&port_user_lock);
-
                 rc = -ENOTCONN;
-                if (get_port_user(unbind.port) != u) {
-                        spin_unlock_irq(&port_user_lock);
+                if (get_port_user(unbind.port) != u)
                         break;
-                }
 
                 disable_irq(irq_from_evtchn(unbind.port));
 
-                spin_unlock_irq(&port_user_lock);
-
                 evtchn_unbind_from_user(u, unbind.port);
 
                 rc = 0;
@@ -490,26 +484,15 @@ static int evtchn_release(struct inode *inode, struct file *filp)
         int i;
         struct per_user_data *u = filp->private_data;
 
-        spin_lock_irq(&port_user_lock);
-
-        free_page((unsigned long)u->ring);
-
         for (i = 0; i < NR_EVENT_CHANNELS; i++) {
                 if (get_port_user(i) != u)
                         continue;
 
                 disable_irq(irq_from_evtchn(i));
-        }
-
-        spin_unlock_irq(&port_user_lock);
-
-        for (i = 0; i < NR_EVENT_CHANNELS; i++) {
-                if (get_port_user(i) != u)
-                        continue;
-
                 evtchn_unbind_from_user(get_port_user(i), i);
         }
 
+        free_page((unsigned long)u->ring);
         kfree(u->name);
         kfree(u);