X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=wrapper%2Fsplice.c;h=2ecc98f38bf706eea4ef476fc99c7b4ae85ae85e;hb=2bf9218e860dc384419eda9ebdf561d86f38a85e;hp=44a4d6b87b2b8062b571ed6270b4556006e8572a;hpb=9f36eaed6f91d5897924b551b44d1edd8cee00e2;p=lttng-modules.git

diff --git a/wrapper/splice.c b/wrapper/splice.c
index 44a4d6b8..2ecc98f3 100644
--- a/wrapper/splice.c
+++ b/wrapper/splice.c
@@ -4,12 +4,15 @@
  *
  * 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>