X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=wrapper%2Fsplice.c;h=96fdf1d03ffff0aa09a2efea02bb45ae7cec24d7;hb=5b4ea313ddc10d96388a20a42e118c758479a553;hp=d7ef83d8a2c98443336d05ed8c0c32709d6be882;hpb=1e543e7c292839b931f808ad341c85f24a859d00;p=lttng-modules.git

diff --git a/wrapper/splice.c b/wrapper/splice.c
index d7ef83d8..96fdf1d0 100644
--- a/wrapper/splice.c
+++ b/wrapper/splice.c
@@ -1,15 +1,18 @@
-/* SPDX-License-Identifier: (GPL-2.0 or LGPL-2.1)
+/* SPDX-License-Identifier: (GPL-2.0-only or LGPL-2.1-only)
  *
  * wrapper/splice.c
  *
  * wrapper around splice_to_pipe. Using KALLSYMS to get its address when
  * available, else we need to have a kernel that exports this function to GPL
- * modules.
+ * modules. The export was introduced in kernel 4.2.
  *
  * Copyright (C) 2011-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
  */
 
-#ifdef CONFIG_KALLSYMS
+#include <lttng-kernel-version.h>
+
+#if (defined(CONFIG_KALLSYMS) \
+	&& (LINUX_VERSION_CODE < KERNEL_VERSION(4,2,0)))
 
 #include <linux/kallsyms.h>
 #include <linux/fs.h>