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Fix: don't access packet header for stream_id and stream_instance_id getters
[lttng-modules.git]
/
wrapper
/
splice.c
diff --git
a/wrapper/splice.c
b/wrapper/splice.c
index edc499c835efd2278e128d37d6ab8be5d8fb322c..44a4d6b87b2b8062b571ed6270b4556006e8572a 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.
*
* 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
*/
#ifdef CONFIG_KALLSYMS
@@
-13,6
+14,7
@@
#include <linux/kallsyms.h>
#include <linux/fs.h>
#include <linux/splice.h>
#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,
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)
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 {
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;
}
}
return -ENOSYS;
}
}
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