1 files changed, 5 insertions, 0 deletions

diff --git a/ipc/msgutil.c b/ipc/msgutil.c
index 7eecdad40efc..ebfcbfa8b7f2 100644
--- a/ipc/msgutil.c
+++ b/ipc/msgutil.c
@@ -140,6 +140,11 @@ struct msg_msg *copy_msg(struct msg_msg *src, struct msg_msg *dst)
 
         return dst;
 }
+#else
+struct msg_msg *copy_msg(struct msg_msg *src, struct msg_msg *dst)
+{
+        return ERR_PTR(-ENOSYS);
+}
 #endif
 int store_msg(void __user *dest, struct msg_msg *msg, int len)
 {