diff --git a/[refs] b/[refs]
index 58d0239ff6e1..7db499d8ab5a 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: ae756df8ddd00a30bb3bdf6774b514c096dda4a4
+refs/heads/master: a46c9047642d70f5619e4a14129d74dd1f6ea74f
diff --git a/trunk/arch/um/os-Linux/aio.c b/trunk/arch/um/os-Linux/aio.c
index 298d5632128b..f6e64026f995 100644
--- a/trunk/arch/um/os-Linux/aio.c
+++ b/trunk/arch/um/os-Linux/aio.c
@@ -144,6 +144,7 @@ static int aio_thread(void *arg)
                                "errno = %d\n", errno);
                 }
                 else {
+			/* This is safe as we've just a pointer here. */
 			aio = (struct aio_context *) (long) event.data;
 			if(update_aio(aio, event.res)){
 				do_aio(ctx, aio);