X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=wrapper%2Fsplice.c;h=2ecc98f38bf706eea4ef476fc99c7b4ae85ae85e;hb=28926981a861e8ded0f9967588873c8cd309227f;hp=d24ef3d68593010e677c4ffc5b1a115de29c7a36;hpb=e36de50dd09527901339797a61a0a40d241c1a6d;p=lttng-modules.git

diff --git a/wrapper/splice.c b/wrapper/splice.c
index d24ef3d6..2ecc98f3 100644
--- a/wrapper/splice.c
+++ b/wrapper/splice.c
@@ -1,28 +1,18 @@
-/*
+/* SPDX-License-Identifier: (GPL-2.0 or LGPL-2.1)
+ *
  * 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>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; only
- * version 2.1 of the License.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
-#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>