linux-kernel - [PATCH] ftrace: adding the missing parameter descriptions of unregister_ftrace

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Date: Mon, 27 May 2024 21:50:46 -0300
From: MarileneGarcia <marilene.agarcia@...il.com>
To: Steven Rostedt <rostedt@...dmis.org>,
	Masami Hiramatsu <mhiramat@...nel.org>,
	Mark Rutland <mark.rutland@....com>,
	Mathieu Desnoyers <mathieu.desnoyers@...icios.com>
Cc: MarileneGarcia <marilene.agarcia@...il.com>,
	Shuah Khan <skhan@...uxfoundation.org>,
	Javier Carrasco <javier.carrasco.cruz@...il.com>,
	linux-kernel@...r.kernel.org,
	linux-trace-kernel@...r.kernel.org
Subject: [PATCH] ftrace: adding the missing parameter descriptions of unregister_ftrace_direct

Adding the description of the parameters addr and free_filters
of the function unregister_ftrace_direct.

Signed-off-by: MarileneGarcia <marilene.agarcia@...il.com>
---
Hello, 
These changes fix the following compiler warnings of the function
unregister_ftrace_direct.

The warnings happen using GCC compiler, enabling the ftrace related 
configs and using the command 'make W=1'.

kernel/trace/ftrace.c:5489: warning: Function parameter or struct member
'addr' not described in 'unregister_ftrace_direct'

kernel/trace/ftrace.c:5489: warning: Function parameter or struct member 
'free_filters' not described in 'unregister_ftrace_direct'

 kernel/trace/ftrace.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index 65208d3b5ed9..6062e4ce1957 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -5475,6 +5475,8 @@ EXPORT_SYMBOL_GPL(register_ftrace_direct);
  * unregister_ftrace_direct - Remove calls to custom trampoline
  * previously registered by register_ftrace_direct for @ops object.
  * @ops: The address of the struct ftrace_ops object
+ * @addr: The address of the trampoline to call at @ops functions
+ * @free_filters: non zero to remove all filters for the ftrace_ops
  *
  * This is used to remove a direct calls to @addr from the nop locations
  * of the functions registered in @ops (with by ftrace_set_filter_ip
-- 
2.34.1