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fix: include order for older kernels
[lttng-modules.git]
/
wrapper
/
irqdesc.c
diff --git
a/wrapper/irqdesc.c
b/wrapper/irqdesc.c
index a71981e74a4fdd74c4dc61b35d6563309df96eba..02c44c8001abe3273fe54d9681ed6a91dbc386ad 100644
(file)
--- a/
wrapper/irqdesc.c
+++ b/
wrapper/irqdesc.c
@@
-1,20
+1,25
@@
-/*
- * Copyright (C) 2011 Mathieu Desnoyers (mathieu.desnoyers@efficios.com)
+/* SPDX-License-Identifier: (GPL-2.0 OR LGPL-2.1)
+ *
+ * wrapper/irqdesc.c
*
* wrapper around irq_to_desc. Using KALLSYMS to get its address when
* available, else we need to have a kernel that exports this function to GPL
*
* wrapper around irq_to_desc. Using KALLSYMS to get its address when
* available, else we need to have a kernel that exports this function to GPL
- * modules.
+ * modules.
This export was added to the 3.4 kernels.
*
*
- *
Dual LGPL v2.1/GPL v2 license.
+ *
Copyright (C) 2011-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
*/
*/
-#ifdef CONFIG_KALLSYMS
+#include <lttng-kernel-version.h>
+#include <linux/module.h>
+
+#if (defined(CONFIG_KALLSYMS) \
+ && (LINUX_VERSION_CODE < KERNEL_VERSION(3,4,0)))
#include <linux/kallsyms.h>
#include <linux/interrupt.h>
#include <linux/irqnr.h>
#include <linux/kallsyms.h>
#include <linux/interrupt.h>
#include <linux/irqnr.h>
-#include
"kallsyms.h"
-#include
"irqdesc.h"
+#include
<wrapper/kallsyms.h>
+#include
<wrapper/irqdesc.h>
static
struct irq_desc *(*irq_to_desc_sym)(unsigned int irq);
static
struct irq_desc *(*irq_to_desc_sym)(unsigned int irq);
@@
-26,10
+31,11
@@
struct irq_desc *wrapper_irq_to_desc(unsigned int irq)
if (irq_to_desc_sym) {
return irq_to_desc_sym(irq);
} else {
if (irq_to_desc_sym) {
return irq_to_desc_sym(irq);
} else {
- printk(KERN_WARNING "LTTng: irq_to_desc symbol lookup failed.\n");
+ printk
_once
(KERN_WARNING "LTTng: irq_to_desc symbol lookup failed.\n");
return NULL;
}
}
return NULL;
}
}
+EXPORT_SYMBOL_GPL(wrapper_irq_to_desc);
#else
#else
@@
-40,5
+46,6
@@
struct irq_desc *wrapper_irq_to_desc(unsigned int irq)
{
return irq_to_desc(irq);
}
{
return irq_to_desc(irq);
}
+EXPORT_SYMBOL_GPL(wrapper_irq_to_desc);
#endif
#endif
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