diff --git a/ipc/compat.c b/ipc/compat.c
index 70e4e4e..3881d56 100644
--- a/ipc/compat.c
+++ b/ipc/compat.c
@@ -572,6 +572,7 @@
 	err |= __put_user(smi->shmmni, &up->shmmni);
 	err |= __put_user(smi->shmseg, &up->shmseg);
 	err |= __put_user(smi->shmall, &up->shmall);
+	return err;
 }
 
 static inline int put_compat_shm_info(struct shm_info __user *ip,