1 files changed, 6 insertions, 1 deletions

diff --git a/fs/lockd/svclock.c b/fs/lockd/svclock.c
index 81aca859bfde..56a08ab9a4cb 100644
--- a/fs/lockd/svclock.c
+++ b/fs/lockd/svclock.c
@@ -795,6 +795,7 @@ static void nlmsvc_grant_callback(struct rpc_task *task, void *data)
 
         dprintk("lockd: GRANT_MSG RPC callback\n");
 
+        lock_kernel();
         /* if the block is not on a list at this point then it has
          * been invalidated. Don't try to requeue it.
          *
@@ -804,7 +805,7 @@ static void nlmsvc_grant_callback(struct rpc_task *task, void *data)
          * for nlm_blocked?
          */
         if (list_empty(&block->b_list))
-                return;
+                goto out;
 
         /* Technically, we should down the file semaphore here. Since we
          * move the block towards the head of the queue only, no harm
@@ -818,13 +819,17 @@ static void nlmsvc_grant_callback(struct rpc_task *task, void *data)
         }
         nlmsvc_insert_block(block, timeout);
         svc_wake_up(block->b_daemon);
+out:
+        unlock_kernel();
 }
 
 static void nlmsvc_grant_release(void *data)
 {
         struct nlm_rqst         *call = data;
 
+        lock_kernel();
         nlmsvc_release_block(call->a_block);
+        unlock_kernel();
 }
 
 static const struct rpc_call_ops nlmsvc_grant_ops = {