1 files changed, 7 insertions, 2 deletions

diff --git a/fs/locks.c b/fs/locks.c
index dda83d6cd48b..efad798824dc 100644
--- a/fs/locks.c
+++ b/fs/locks.c
@@ -2230,7 +2230,12 @@ void steal_locks(fl_owner_t from)
 
         lock_kernel();
         j = 0;
-        rcu_read_lock();
+
+        /*
+         * We are not taking a ref to the file structures, so
+         * we need to acquire ->file_lock.
+         */
+        spin_lock(&files->file_lock);
         fdt = files_fdtable(files);
         for (;;) {
                 unsigned long set;
@@ -2248,7 +2253,7 @@ void steal_locks(fl_owner_t from)
                         set >>= 1;
                 }
         }
-        rcu_read_unlock();
+        spin_unlock(&files->file_lock);
         unlock_kernel();
 }
 EXPORT_SYMBOL(steal_locks);