Cleanup: remove trailing white spaces across project

[lttng-modules.git] / wrapper / splice.c

diff --git a/wrapper/splice.c b/wrapper/splice.c
index edc499c835efd2278e128d37d6ab8be5d8fb322c..d7ef83d8a2c98443336d05ed8c0c32709d6be882 100644 (file)
--- a/wrapper/splice.c
+++ b/wrapper/splice.c
@@ -1,11 +1,12 @@
-/*
- * Copyright (C) 2011 Mathieu Desnoyers (mathieu.desnoyers@efficios.com)
+/* SPDX-License-Identifier: (GPL-2.0 or LGPL-2.1)
  *
- * wrapper around vmalloc_sync_all. Using KALLSYMS to get its address when
+ * 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.
  *
- * Dual LGPL v2.1/GPL v2 license.
+ * Copyright (C) 2011-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
  */
 
 #ifdef CONFIG_KALLSYMS
@@ -13,6 +14,7 @@
 #include <linux/kallsyms.h>
 #include <linux/fs.h>
 #include <linux/splice.h>
+#include <wrapper/kallsyms.h>
 
 static
 ssize_t (*splice_to_pipe_sym)(struct pipe_inode_info *pipe,
@@ -22,11 +24,11 @@ ssize_t wrapper_splice_to_pipe(struct pipe_inode_info *pipe,
                               struct splice_pipe_desc *spd)
 {
        if (!splice_to_pipe_sym)
-               splice_to_pipe_sym = (void *) kallsyms_lookup_name("splice_to_pipe");
+               splice_to_pipe_sym = (void *) kallsyms_lookup_funcptr("splice_to_pipe");
        if (splice_to_pipe_sym) {
                return splice_to_pipe_sym(pipe, spd);
        } else {
-               printk(KERN_WARNING "LTTng: splice_to_pipe symbol lookup failed.\n");
+               printk_once(KERN_WARNING "LTTng: splice_to_pipe symbol lookup failed.\n");
                return -ENOSYS;
        }
 }