1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/macintosh/macio-adb.c b/drivers/macintosh/macio-adb.c
index 79119f56e82d..bd6da7a9c55b 100644
--- a/drivers/macintosh/macio-adb.c
+++ b/drivers/macintosh/macio-adb.c
@@ -155,6 +155,7 @@ static int macio_adb_reset_bus(void)
         while ((in_8(&adb->ctrl.r) & ADB_RST) != 0) {
                 if (--timeout == 0) {
                         out_8(&adb->ctrl.r, in_8(&adb->ctrl.r) & ~ADB_RST);
+                        spin_unlock_irqrestore(&macio_lock, flags);
                         return -1;
                 }
         }