1 files changed, 1 insertions, 0 deletions

diff --git a/arch/ia64/sn/kernel/io_init.c b/arch/ia64/sn/kernel/io_init.c
index a6649baf629a..37e10e010a2f 100644
--- a/arch/ia64/sn/kernel/io_init.c
+++ b/arch/ia64/sn/kernel/io_init.c
@@ -203,6 +203,7 @@ static void sn_fixup_ionodes(void)
                                 continue;
                         }
 
+                        spin_lock_init(&sn_flush_device_list->sfdl_flush_lock);
                         hubdev->hdi_flush_nasid_list.widget_p[widget] =
                             sn_flush_device_list;
                 }