diff --git a/arch/um/os-Linux/sigio.c b/arch/um/os-Linux/sigio.c
index 9ba9429471468ce3f8b338b2c337db3f3bcd26aa..00e9388e947af4fa59442a3fdad627a82b7384e2 100644
--- a/arch/um/os-Linux/sigio.c
+++ b/arch/um/os-Linux/sigio.c
@@ -304,8 +304,8 @@ void write_sigio_workaround(void)
 					   .size	= 0,
 					   .used	= 0 });
 out_free:
-	kfree(p);
 	sigio_unlock();
+	kfree(p);
 out_close2:
 	close(l_sigio_private[0]);
 	close(l_sigio_private[1]);