Merge branch 'sh/stable-updates'
diff --git a/arch/sh/mm/pmb.c b/arch/sh/mm/pmb.c
index 18623ba7..6379091 100644
--- a/arch/sh/mm/pmb.c
+++ b/arch/sh/mm/pmb.c
@@ -770,7 +770,7 @@
 		spin_unlock_irqrestore(&pmbe->lock, flags);
 	}
 
-	read_lock(&pmb_rwlock);
+	read_unlock(&pmb_rwlock);
 }
 #endif