diff --git a/src/kernel/core/lock.c b/src/kernel/core/lock.c
index 0468ce5847..d4c3f7a5bf 100644
--- a/src/kernel/core/lock.c
+++ b/src/kernel/core/lock.c
@@ -248,6 +248,6 @@ rw_lock_write_lock(rw_lock *lock)
 status_t
 rw_lock_write_unlock(rw_lock *lock)
 {
-	release_sem_etc(lock->sem, RW_MAX_READERS, 0);
+	return release_sem_etc(lock->sem, RW_MAX_READERS, 0);
 }
 
diff --git a/src/kernel/core/module.c b/src/kernel/core/module.c
index dec25abb91..af2fa0ef8f 100644
--- a/src/kernel/core/module.c
+++ b/src/kernel/core/module.c
@@ -803,6 +803,7 @@ dump_modules(int argc, char **argv)
 			image->path, image->image, image->info, image->ref_count,
 			image->keep_loaded ? "keep loaded" : "can be unloaded");
 	}
+	return 0;
 }