Fix: Add missing const to lttng_tracepoint_ptr_deref prototype

[lttng-modules.git] / wrapper / tracepoint.h

diff --git a/wrapper/tracepoint.h b/wrapper/tracepoint.h
index 780f9a86607adf55848a72f4b5c2c7fef3d2e9c4..0c5a296f2d3c35e493580c00336097e6e15c983b 100644 (file)
--- a/wrapper/tracepoint.h
+++ b/wrapper/tracepoint.h
@@ -1,28 +1,15 @@
-#ifndef _LTTNG_WRAPPER_TRACEPOINT_H
-#define _LTTNG_WRAPPER_TRACEPOINT_H
-
-/*
+/* SPDX-License-Identifier: (GPL-2.0 or LGPL-2.1)
+ *
  * wrapper/tracepoint.h
  *
  * wrapper around DECLARE_EVENT_CLASS.
  *
  * 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
  */
 
+#ifndef _LTTNG_WRAPPER_TRACEPOINT_H
+#define _LTTNG_WRAPPER_TRACEPOINT_H
+
 #include <linux/version.h>
 #include <linux/tracepoint.h>
 #include <linux/module.h>
@@ -120,4 +107,16 @@ int wrapper_lttng_fixup_sig(struct module *mod)
 
 #endif /*#else #if defined(CONFIG_MODULE_SIG) && defined(MODULE) */
 
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,19,0))
+static inline struct tracepoint *lttng_tracepoint_ptr_deref(tracepoint_ptr_t *p)
+{
+       return tracepoint_ptr_deref(p);
+}
+#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,19,0)) */
+static inline struct tracepoint *lttng_tracepoint_ptr_deref(struct tracepoint * const *p)
+{
+       return *p;
+}
+#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,19,0)) */
+
 #endif /* _LTTNG_WRAPPER_TRACEPOINT_H */